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version 1.6, 2003/12/17 14:04:43
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version 1.26, 2005/02/08 10:34:30
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Line 1
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| INCLUDE i286a.inc |
INCLUDE i286a.inc |
| |
INCLUDE i286aea.inc |
| INCLUDE i286aalu.inc |
INCLUDE i286aalu.inc |
| INCLUDE i286aop.inc |
INCLUDE i286aop.inc |
| |
INCLUDE i286aio.inc |
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|
| IMPORT i286core |
IMPORT i286acore |
| IMPORT _szpcflag8 |
IMPORT iflags |
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IMPORT i286a_localint |
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IMPORT i286a_trapint |
| |
IMPORT i286a_selector |
| IMPORT i286a_ea |
IMPORT i286a_ea |
| IMPORT i286a_lea |
IMPORT i286a_lea |
| IMPORT i286a_a |
IMPORT i286a_a |
| IMPORT i286_memoryread |
|
| IMPORT i286_memoryread_w |
IMPORT i286a_memoryread |
| IMPORT i286_memorywrite |
IMPORT i286a_memoryread_w |
| IMPORT i286_memorywrite_w |
IMPORT i286a_memorywrite |
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IMPORT i286a_memorywrite_w |
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| IMPORT iocore_inp8 |
IMPORT iocore_inp8 |
| IMPORT iocore_inp16 |
IMPORT iocore_inp16 |
| IMPORT iocore_out8 |
IMPORT iocore_out8 |
| IMPORT iocore_out16 |
IMPORT iocore_out16 |
| IMPORT i286a_localint |
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IMPORT dmax86 |
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IMPORT biosfunc |
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IMPORT i286a_cts |
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| IMPORT i286aop80 |
IMPORT i286aop80 |
| IMPORT i286aop81 |
IMPORT i286aop81 |
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Line 35
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Line 46
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| IMPORT i286aopfe |
IMPORT i286aopfe |
| IMPORT i286aopff |
IMPORT i286aopff |
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IMPORT i286a_rep_insb |
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IMPORT i286a_rep_insw |
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IMPORT i286a_rep_outsb |
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IMPORT i286a_rep_outsw |
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IMPORT i286a_rep_movsb |
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IMPORT i286a_rep_movsw |
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IMPORT i286a_rep_lodsb |
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IMPORT i286a_rep_lodsw |
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IMPORT i286a_rep_stosb |
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IMPORT i286a_rep_stosw |
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IMPORT i286a_repe_cmpsb |
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IMPORT i286a_repe_cmpsw |
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IMPORT i286a_repne_cmpsb |
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IMPORT i286a_repne_cmpsw |
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IMPORT i286a_repe_scasb |
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IMPORT i286a_repe_scasw |
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IMPORT i286a_repne_scasb |
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IMPORT i286a_repne_scasw |
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EXPORT i286a |
| EXPORT i286a_step |
EXPORT i286a_step |
| EXPORT optbl1 |
EXPORT optbl1 |
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Line 310 reserved mov r6, #6
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Line 341 reserved mov r6, #6
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| sub r8, r8, #(1 << 16) |
sub r8, r8, #(1 << 16) |
| b i286a_localint |
b i286a_localint |
| |
|
| daa CPUWORK #3 |
daa ldrb r0, [r9, #CPU_AL] |
| ldrb r0, [r9, #CPU_AL] |
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| bic r8, r8, #O_FLAG |
bic r8, r8, #O_FLAG |
| |
CPUWORK #3 |
| eor r2, r0, #&80 |
eor r2, r0, #&80 |
| tst r8, #A_FLAG |
tst r8, #A_FLAG |
| bne daalo2 |
bne daalo2 |
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Line 357 daslo tst r8, #A_FLAG
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Line 388 daslo tst r8, #A_FLAG
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| daslo2 sub r0, r0, #6 |
daslo2 sub r0, r0, #6 |
| orr r8, r8, r0 lsr #31 |
orr r8, r8, r0 lsr #31 |
| and r0, r0, #&ff |
and r0, r0, #&ff |
| dasflg strb r0, [r9, #CPU_AL] |
dasflg ldrb r1, [r10, r0] |
| ldrb r1, [r10, r0] |
strb r0, [r9, #CPU_AL] |
| bic r8, r8, #(&ff - A_FLAG - C_FLAG) |
bic r8, r8, #(&ff - A_FLAG - C_FLAG) |
| orr r8, r1, r8 |
orr r8, r1, r8 |
| mov pc, r11 |
mov pc, r11 |
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Line 393 aas1 orr r8, r8, #(A_FLAG + C_FLAG)
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Line 424 aas1 orr r8, r8, #(A_FLAG + C_FLAG)
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| mov pc, r11 |
mov pc, r11 |
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| |
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| pusha CPUWORK #17 |
pusha ldrh r4, [r9, #CPU_SP] |
| ldrh r4, [r9, #CPU_SP] |
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| ldr r5, [r9, #CPU_SS_BASE] |
ldr r5, [r9, #CPU_SS_BASE] |
| |
CPUWORK #17 |
| mov r6, r4 |
mov r6, r4 |
| mov r4, r4 lsl #16 |
mov r4, r4 lsl #16 |
| ldrh r1, [r9, #CPU_AX] |
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| sub r4, r4, #(2 << 16) |
sub r4, r4, #(2 << 16) |
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ldrh r1, [r9, #CPU_AX] |
| add r0, r5, r4 lsr #16 |
add r0, r5, r4 lsr #16 |
| bl i286_memorywrite_w |
bl i286a_memorywrite_w |
| ldrh r1, [r9, #CPU_CX] |
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| sub r4, r4, #(2 << 16) |
sub r4, r4, #(2 << 16) |
| |
ldrh r1, [r9, #CPU_CX] |
| add r0, r5, r4 lsr #16 |
add r0, r5, r4 lsr #16 |
| bl i286_memorywrite_w |
bl i286a_memorywrite_w |
| ldrh r1, [r9, #CPU_DX] |
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| sub r4, r4, #(2 << 16) |
sub r4, r4, #(2 << 16) |
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ldrh r1, [r9, #CPU_DX] |
| add r0, r5, r4 lsr #16 |
add r0, r5, r4 lsr #16 |
| bl i286_memorywrite_w |
bl i286a_memorywrite_w |
| ldrh r1, [r9, #CPU_BX] |
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| sub r4, r4, #(2 << 16) |
sub r4, r4, #(2 << 16) |
| |
ldrh r1, [r9, #CPU_BX] |
| add r0, r5, r4 lsr #16 |
add r0, r5, r4 lsr #16 |
| bl i286_memorywrite_w |
bl i286a_memorywrite_w |
| mov r1, r6 |
mov r1, r6 |
| sub r4, r4, #(2 << 16) |
sub r4, r4, #(2 << 16) |
| add r0, r5, r4 lsr #16 |
add r0, r5, r4 lsr #16 |
| bl i286_memorywrite_w |
bl i286a_memorywrite_w |
| ldrh r1, [r9, #CPU_BP] |
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| sub r4, r4, #(2 << 16) |
sub r4, r4, #(2 << 16) |
| |
ldrh r1, [r9, #CPU_BP] |
| add r0, r5, r4 lsr #16 |
add r0, r5, r4 lsr #16 |
| bl i286_memorywrite_w |
bl i286a_memorywrite_w |
| ldrh r1, [r9, #CPU_SI] |
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| sub r4, r4, #(2 << 16) |
sub r4, r4, #(2 << 16) |
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ldrh r1, [r9, #CPU_SI] |
| add r0, r5, r4 lsr #16 |
add r0, r5, r4 lsr #16 |
| bl i286_memorywrite_w |
bl i286a_memorywrite_w |
| ldrh r1, [r9, #CPU_DI] |
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| sub r4, r4, #(2 << 16) |
sub r4, r4, #(2 << 16) |
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ldrh r1, [r9, #CPU_DI] |
| add r0, r5, r4 lsr #16 |
add r0, r5, r4 lsr #16 |
| bl i286_memorywrite_w |
bl i286a_memorywrite_w |
| mov r0, r4 lsr #16 |
mov r0, r4 lsr #16 |
| strh r0, [r9, #CPU_SP] |
strh r0, [r9, #CPU_SP] |
| mov pc, r11 |
mov pc, r11 |
| |
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| popa CPUWORK #19 |
popa ldrh r1, [r9, #CPU_SP] |
| ldrh r4, [r9, #CPU_SP] |
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| ldr r5, [r9, #CPU_SS_BASE] |
ldr r5, [r9, #CPU_SS_BASE] |
| add r0, r5, r4 |
CPUWORK #19 |
| mov r4, r4 lsl #16 |
mov r4, r1 lsl #16 |
| bl i286_memoryread_w |
add r0, r5, r1 |
| strh r0, [r9, #CPU_DI] |
bl i286a_memoryread_w |
| add r4, r4, #(2 << 16) |
add r4, r4, #(2 << 16) |
| |
strh r0, [r9, #CPU_DI] |
| add r0, r5, r4 lsr #16 |
add r0, r5, r4 lsr #16 |
| bl i286_memoryread_w |
bl i286a_memoryread_w |
| strh r0, [r9, #CPU_SI] |
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| add r4, r4, #(2 << 16) |
add r4, r4, #(2 << 16) |
| |
strh r0, [r9, #CPU_SI] |
| add r0, r5, r4 lsr #16 |
add r0, r5, r4 lsr #16 |
| bl i286_memoryread_w |
bl i286a_memoryread_w |
| strh r0, [r9, #CPU_BP] |
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| add r4, r4, #(4 << 16) |
add r4, r4, #(4 << 16) |
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strh r0, [r9, #CPU_BP] |
| add r0, r5, r4 lsr #16 |
add r0, r5, r4 lsr #16 |
| bl i286_memoryread_w |
bl i286a_memoryread_w |
| strh r0, [r9, #CPU_BX] |
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| add r4, r4, #(2 << 16) |
add r4, r4, #(2 << 16) |
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strh r0, [r9, #CPU_BX] |
| add r0, r5, r4 lsr #16 |
add r0, r5, r4 lsr #16 |
| bl i286_memoryread_w |
bl i286a_memoryread_w |
| strh r0, [r9, #CPU_DX] |
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| add r4, r4, #(2 << 16) |
add r4, r4, #(2 << 16) |
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strh r0, [r9, #CPU_DX] |
| add r0, r5, r4 lsr #16 |
add r0, r5, r4 lsr #16 |
| bl i286_memoryread_w |
bl i286a_memoryread_w |
| strh r0, [r9, #CPU_CX] |
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| add r4, r4, #(2 << 16) |
add r4, r4, #(2 << 16) |
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strh r0, [r9, #CPU_CX] |
| add r0, r5, r4 lsr #16 |
add r0, r5, r4 lsr #16 |
| bl i286_memoryread_w |
bl i286a_memoryread_w |
| strh r0, [r9, #CPU_AX] |
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| add r4, r4, #(2 << 16) |
add r4, r4, #(2 << 16) |
| |
strh r0, [r9, #CPU_AX] |
| mov r0, r4 lsr #16 |
mov r0, r4 lsr #16 |
| strh r0, [r9, #CPU_SP] |
strh r0, [r9, #CPU_SP] |
| mov pc, r11 |
mov pc, r11 |
| |
|
| bound GETPC8 |
bound GETPCF8 |
| cmp r0, #&c0 |
cmp r0, #&c0 |
| bcs bndreg |
bcs bndreg |
| CPUWORK #13 |
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| R16DST r0, r12 |
R16DST r0, r12 |
| |
CPUWORK #13 |
| ldrh r5, [r12, #CPU_REG] |
ldrh r5, [r12, #CPU_REG] |
| bl i286a_a |
bl i286a_a |
| add r4, r0, #2 |
add r4, r0, #2 |
| add r0, r0, r6 |
add r0, r0, r6 |
| bl i286_memoryread_w |
bl i286a_memoryread_w |
| cmp r5, r0 |
cmp r5, r0 |
| bcc bndout |
bcc bndout |
| bic r4, r4, #(1 << 16) |
bic r4, r4, #(1 << 16) |
| add r0, r4, r6 |
add r0, r4, r6 |
| bl i286_memoryread_w |
bl i286a_memoryread_w |
| cmp r5, r0 |
cmp r5, r0 |
| movls pc, r11 |
movls pc, r11 |
| bndout mov r6, #5 |
bndout mov r6, #5 |
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Line 497 push_d16 CPUWORK #3
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Line 528 push_d16 CPUWORK #3
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| GETPC16 |
GETPC16 |
| ldrh r2, [r9, #CPU_SP] |
ldrh r2, [r9, #CPU_SP] |
| ldr r3, [r9, #CPU_SS_BASE] |
ldr r3, [r9, #CPU_SS_BASE] |
| |
mov r1, r0 |
| subs r2, r2, #2 |
subs r2, r2, #2 |
| addcc r2, r2, #&10000 |
addcc r2, r2, #&10000 |
| mov r1, r0 |
|
| strh r2, [r9, #CPU_SP] |
strh r2, [r9, #CPU_SP] |
| add r0, r2, r3 |
add r0, r2, r3 |
| mov lr, r11 |
mov lr, r11 |
| b i286_memorywrite_w |
b i286a_memorywrite_w |
| |
|
| imul_r_ea_d16 REG16EA r5, #21, #24 |
imul_r_ea_d16 REG16EA r6, #21, #24 |
| mov r4, r0, lsl #16 |
mov r4, r0, lsl #16 |
| GETPC16 |
GETPC16 |
| mov r0, r0, lsl #16 |
mov r0, r0, lsl #16 |
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Line 513 imul_r_ea_d16 REG16EA r5, #21, #24
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Line 544 imul_r_ea_d16 REG16EA r5, #21, #24
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| mov r0, r0, asr #16 |
mov r0, r0, asr #16 |
| mul r1, r0, r4 |
mul r1, r0, r4 |
| add r12, r1, #&8000 |
add r12, r1, #&8000 |
| strh r1, [r5, #CPU_REG] |
strh r1, [r6, #CPU_REG] |
| movs r12, r12 lsr #16 |
movs r12, r12 lsr #16 |
| biceq r8, r8, #O_FLAG |
biceq r8, r8, #O_FLAG |
| biceq r8, r8, #C_FLAG |
biceq r8, r8, #C_FLAG |
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Line 522 imul_r_ea_d16 REG16EA r5, #21, #24
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Line 553 imul_r_ea_d16 REG16EA r5, #21, #24
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| mov pc, r11 |
mov pc, r11 |
| |
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| push_d8 CPUWORK #3 |
push_d8 CPUWORK #3 |
| GETPC8 |
GETPCF8 |
| ldrh r2, [r9, #CPU_SP] |
ldrh r2, [r9, #CPU_SP] |
| ldr r3, [r9, #CPU_SS_BASE] |
ldr r3, [r9, #CPU_SS_BASE] |
| |
mov r0, r0 lsl #24 |
| subs r2, r2, #2 |
subs r2, r2, #2 |
| addcc r2, r2, #&10000 |
addcc r2, r2, #&10000 |
| mov r0, r0 lsl #24 |
|
| mov r1, r0 asr #24 |
mov r1, r0 asr #24 |
| strh r2, [r9, #CPU_SP] |
strh r2, [r9, #CPU_SP] |
| add r0, r2, r3 |
add r0, r2, r3 |
| mov lr, r11 |
mov lr, r11 |
| b i286_memorywrite_w |
b i286a_memorywrite_w |
| |
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| imul_r_ea_d8 REG16EA r5, #21, #24 |
imul_r_ea_d8 REG16EA r6, #21, #24 |
| mov r4, r0, lsl #16 |
mov r4, r0, lsl #16 |
| GETPC8 |
GETPC8 |
| mov r0, r0, lsl #24 |
mov r0, r0, lsl #24 |
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Line 542 imul_r_ea_d8 REG16EA r5, #21, #24
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Line 573 imul_r_ea_d8 REG16EA r5, #21, #24
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| mov r0, r0, asr #24 |
mov r0, r0, asr #24 |
| mul r1, r0, r4 |
mul r1, r0, r4 |
| add r12, r1, #&8000 |
add r12, r1, #&8000 |
| strh r1, [r5, #CPU_REG] |
strh r1, [r6, #CPU_REG] |
| movs r12, r12 lsr #16 |
movs r12, r12 lsr #16 |
| biceq r8, r8, #O_FLAG |
biceq r8, r8, #O_FLAG |
| biceq r8, r8, #C_FLAG |
biceq r8, r8, #C_FLAG |
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Line 552 imul_r_ea_d8 REG16EA r5, #21, #24
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Line 583 imul_r_ea_d8 REG16EA r5, #21, #24
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| |
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| insb CPUWORK #5 |
insb CPUWORK #5 |
| ldrh r0, [r9, #CPU_DX] |
ldrh r0, [r9, #CPU_DX] |
| |
CPUSV |
| bl iocore_inp8 |
bl iocore_inp8 |
| ldrh r2, [r9, #CPU_DI] |
ldrh r2, [r9, #CPU_DI] |
| ldr r3, [r9, #CPU_ES_BASE] |
ldr r3, [r9, #CPU_ES_BASE] |
| |
CPULD |
| mov r1, r0 |
mov r1, r0 |
| add r0, r2, r3 |
add r0, r3, r2 |
| tst r8, #D_FLAG |
tst r8, #D_FLAG |
| addeq r2, r2, #1 |
addeq r2, r2, #1 |
| subne r2, r2, #1 |
subne r2, r2, #1 |
| mov lr, r11 |
mov lr, r11 |
| strh r2, [r9, #CPU_DI] |
strh r2, [r9, #CPU_DI] |
| b i286_memorywrite |
b i286a_memorywrite |
| |
|
| insw CPUWORK #5 |
insw CPUWORK #5 |
| ldrh r0, [r9, #CPU_DX] |
ldrh r0, [r9, #CPU_DX] |
| |
CPUSV |
| bl iocore_inp16 |
bl iocore_inp16 |
| ldrh r2, [r9, #CPU_DI] |
ldrh r2, [r9, #CPU_DI] |
| ldr r3, [r9, #CPU_ES_BASE] |
ldr r3, [r9, #CPU_ES_BASE] |
| |
CPULD |
| mov r1, r0 |
mov r1, r0 |
| add r0, r2, r3 |
add r0, r3, r2 |
| tst r8, #D_FLAG |
tst r8, #D_FLAG |
| addeq r2, r2, #2 |
addeq r2, r2, #2 |
| subne r2, r2, #2 |
subne r2, r2, #2 |
| mov lr, r11 |
mov lr, r11 |
| strh r2, [r9, #CPU_DI] |
strh r2, [r9, #CPU_DI] |
| b i286_memorywrite_w |
b i286a_memorywrite_w |
| |
|
| outsb CPUWORK #3 |
outsb CPUWORK #3 |
| ldrh r1, [r9, #CPU_SI] |
ldrh r1, [r9, #CPU_SI] |
| ldr r2, [r9, #CPU_DS_FIX] |
ldr r2, [r9, #CPU_DS_FIX] |
| add r0, r1, r2 |
|
| tst r8, #D_FLAG |
tst r8, #D_FLAG |
| addeq r1, r1, #1 |
addeq r3, r1, #1 |
| subne r1, r1, #1 |
subne r3, r1, #1 |
| strh r1, [r9, #CPU_SI] |
add r0, r2, r1 |
| bl i286_memoryread |
strh r3, [r9, #CPU_SI] |
| |
bl i286a_memoryread |
| mov r1, r0 |
mov r1, r0 |
| ldr r0, [r9, #CPU_DX] |
ldr r0, [r9, #CPU_DX] |
| CPUSV |
CPUSV |
|
Line 597 outsb CPUWORK #3
|
Line 632 outsb CPUWORK #3
|
| outsw CPUWORK #3 |
outsw CPUWORK #3 |
| ldrh r1, [r9, #CPU_SI] |
ldrh r1, [r9, #CPU_SI] |
| ldr r2, [r9, #CPU_DS_FIX] |
ldr r2, [r9, #CPU_DS_FIX] |
| add r0, r1, r2 |
|
| tst r8, #D_FLAG |
tst r8, #D_FLAG |
| addeq r1, r1, #2 |
addeq r3, r1, #2 |
| subne r1, r1, #2 |
subne r3, r1, #2 |
| strh r1, [r9, #CPU_SI] |
add r0, r2, r1 |
| bl i286_memoryread_w |
strh r3, [r9, #CPU_SI] |
| |
bl i286a_memoryread_w |
| mov r1, r0 |
mov r1, r0 |
| ldr r0, [r9, #CPU_DX] |
ldr r0, [r9, #CPU_DX] |
| CPUSV |
CPUSV |
|
Line 620 nojmps CPUWORK #2
|
Line 655 nojmps CPUWORK #2
|
| mov pc, r11 |
mov pc, r11 |
| |
|
| jnle_short tst r8, #Z_FLAG |
jnle_short tst r8, #Z_FLAG |
| bne jmps |
bne nojmps |
| jnl_short eor r0, r8, r8 lsr #4 |
jnl_short eor r0, r8, r8 lsr #4 |
| tst r0, #S_FLAG |
tst r0, #S_FLAG |
| bne nojmps |
bne nojmps |
|
Line 630 jmps JMPS #7
|
Line 665 jmps JMPS #7
|
| xchg_ea_r8 EAREG8 r6 |
xchg_ea_r8 EAREG8 r6 |
| cmp r0, #&c0 |
cmp r0, #&c0 |
| bcc xchgear8_1 |
bcc xchgear8_1 |
| CPUWORK #3 |
R8SRC r0, r2 |
| R8SRC r0, r5 |
|
| ldrb r0, [r6, #CPU_REG] |
ldrb r0, [r6, #CPU_REG] |
| ldrb r1, [r5, #CPU_REG] |
ldrb r1, [r2, #CPU_REG] |
| strb r0, [r5, #CPU_REG] |
CPUWORK #3 |
| |
strb r0, [r2, #CPU_REG] |
| strb r1, [r6, #CPU_REG] |
strb r1, [r6, #CPU_REG] |
| mov pc, r11 |
mov pc, r11 |
| xchgear8_1 CPUWORK #5 |
xchgear8_1 bl i286a_ea |
| bl i286a_ea |
|
| cmp r0, #I286_MEMWRITEMAX |
cmp r0, #I286_MEMWRITEMAX |
| bcs xchgear8_2 |
bcs xchgear8_2 |
| ldrb r1, [r6, #CPU_REG] |
ldrb r1, [r6, #CPU_REG] |
| ldrb r4, [r9, r0] |
ldrb r4, [r9, r0] |
| |
CPUWORK #5 |
| strb r1, [r9, r0] |
strb r1, [r9, r0] |
| strb r4, [r6, #CPU_REG] |
strb r4, [r6, #CPU_REG] |
| mov pc, r11 |
mov pc, r11 |
| xchgear8_2 mov r5, r0 |
xchgear8_2 mov r5, r0 |
| bl i286_memoryread |
bl i286a_memoryread |
| ldrb r1, [r6, #CPU_REG] |
ldrb r1, [r6, #CPU_REG] |
| strb r0, [r6, #CPU_REG] |
strb r0, [r6, #CPU_REG] |
| |
CPUWORK #5 |
| mov r0, r5 |
mov r0, r5 |
| mov lr, r11 |
mov lr, r11 |
| b i286_memorywrite |
b i286a_memorywrite |
| |
|
| xchg_ea_r16 EAREG16 r6 |
xchg_ea_r16 EAREG16 r6 |
| cmp r0, #&c0 |
cmp r0, #&c0 |
| bcc xchgear16_1 |
bcc xchgear16_1 |
| CPUWORK #3 |
R16SRC r0, r2 |
| R16SRC r0, r5 |
|
| ldrh r0, [r6, #CPU_REG] |
ldrh r0, [r6, #CPU_REG] |
| ldrh r1, [r5, #CPU_REG] |
ldrh r1, [r2, #CPU_REG] |
| strh r0, [r5, #CPU_REG] |
CPUWORK #3 |
| |
strh r0, [r2, #CPU_REG] |
| strh r1, [r6, #CPU_REG] |
strh r1, [r6, #CPU_REG] |
| mov pc, r11 |
mov pc, r11 |
| xchgear16_1 CPUWORK #5 |
xchgear16_1 bl i286a_ea |
| bl i286a_ea |
ACCWORD r0, xchgear16_2 |
| tst r0, #1 |
|
| bne xchgear16_2 |
|
| cmp r0, #I286_MEMWRITEMAX |
|
| bcs xchgear16_2 |
|
| ldrh r1, [r6, #CPU_REG] |
ldrh r1, [r6, #CPU_REG] |
| ldrh r4, [r9, r0] |
ldrh r4, [r9, r0] |
| |
CPUWORK #5 |
| strh r1, [r9, r0] |
strh r1, [r9, r0] |
| strh r4, [r6, #CPU_REG] |
strh r4, [r6, #CPU_REG] |
| mov pc, r11 |
mov pc, r11 |
| xchgear16_2 mov r5, r0 |
xchgear16_2 mov r5, r0 |
| bl i286_memoryread_w |
bl i286a_memoryread_w |
| ldrh r1, [r6, #CPU_REG] |
ldrh r1, [r6, #CPU_REG] |
| strh r0, [r6, #CPU_REG] |
strh r0, [r6, #CPU_REG] |
| |
CPUWORK #5 |
| mov r0, r5 |
mov r0, r5 |
| mov lr, r11 |
mov lr, r11 |
| b i286_memorywrite_w |
b i286a_memorywrite_w |
| |
|
| mov_ea_r8 EAREG8 r6 |
mov_ea_r8 EAREG8 r6 |
| cmp r0, #&c0 |
cmp r0, #&c0 |
| bcc movear8_1 |
bcc movear8_1 |
| |
ldrb r1, [r6, #CPU_REG] |
| |
R8SRC r0, r2 |
| CPUWORK #3 |
CPUWORK #3 |
| R8SRC r0, r5 |
strb r1, [r2, #CPU_REG] |
| ldrb r0, [r6, #CPU_REG] |
|
| strb r0, [r5, #CPU_REG] |
|
| mov pc, r11 |
mov pc, r11 |
| movear8_1 CPUWORK #5 |
movear8_1 CPUWORK #5 |
| bl i286a_ea |
bl i286a_ea |
| ldrb r1, [r6, #CPU_REG] |
ldrb r1, [r6, #CPU_REG] |
| mov lr, r11 |
mov lr, r11 |
| b i286_memorywrite |
b i286a_memorywrite |
| |
|
| mov_ea_r16 EAREG16 r6 |
mov_ea_r16 EAREG16 r6 |
| cmp r0, #&c0 |
cmp r0, #&c0 |
| bcc movear16_1 |
bcc movear16_1 |
| |
ldrh r1, [r6, #CPU_REG] |
| |
R16SRC r0, r2 |
| CPUWORK #3 |
CPUWORK #3 |
| R16SRC r0, r5 |
strh r1, [r2, #CPU_REG] |
| ldrh r0, [r6, #CPU_REG] |
|
| strh r0, [r5, #CPU_REG] |
|
| mov pc, r11 |
mov pc, r11 |
| movear16_1 CPUWORK #5 |
movear16_1 CPUWORK #5 |
| bl i286a_ea |
bl i286a_ea |
| ldrh r1, [r6, #CPU_REG] |
ldrh r1, [r6, #CPU_REG] |
| mov lr, r11 |
mov lr, r11 |
| b i286_memorywrite_w |
b i286a_memorywrite_w |
| |
|
| mov_r8_ea REG8EA r5, #2, #5 |
mov_r8_ea REG8EA r6, #2, #5 |
| strb r0, [r5, #CPU_REG] |
strb r0, [r6, #CPU_REG] |
| mov pc, r11 |
mov pc, r11 |
| |
|
| mov_r16_ea REG16EA r5, #2, #5 |
mov_r16_ea REG16EA r6, #2, #5 |
| strh r0, [r5, #CPU_REG] |
strh r0, [r6, #CPU_REG] |
| mov pc, r11 |
mov pc, r11 |
| |
|
| mov_ea_seg GETPC8 |
mov_ea_seg GETPCF8 |
| and r1, r0, #(3 << 3) |
and r1, r0, #(3 << 3) |
| add r1, r9, r1 lsr #2 |
add r1, r9, r1 lsr #2 |
| ldrh r5, [r1, #CPU_REG] |
ldrh r6, [r1, #CPU_SEG] |
| cmp r0, #&c0 |
cmp r0, #&c0 |
| bcc measegm |
bcc measegm |
| |
R16SRC r0, r2 |
| CPUWORK #2 |
CPUWORK #2 |
| R16DST r0, r4 |
strh r6, [r2, #CPU_REG] |
| strh r5, [r4, #CPU_REG] |
|
| mov pc, r11 |
mov pc, r11 |
| measegm CPUWORK #3 |
measegm CPUWORK #3 |
| bl i286a_ea |
bl i286a_ea |
| mov r1, r5 |
mov r1, r6 |
| mov lr, r11 |
mov lr, r11 |
| b i286_memorywrite_w |
b i286a_memorywrite_w |
| |
|
| lea_r16_ea CPUWORK #3 |
lea_r16_ea CPUWORK #3 |
| GETPC8 |
GETPCF8 |
| cmp r0, #&c0 |
cmp r0, #&c0 |
| bcs leareg |
bcs leareg |
| R8DST r0, r5 |
R16DST r0, r6 |
| bl i286a_lea |
bl i286a_lea |
| strh r0, [r5, #CPU_REG] |
strh r0, [r6, #CPU_REG] |
| mov pc, r11 |
mov pc, r11 |
| leareg mov r6, #6 |
leareg mov r6, #6 |
| sub r8, r8, #(2 << 16) |
sub r8, r8, #(2 << 16) |
| b i286a_localint |
b i286a_localint |
| |
|
| |
mov_seg_ea ldrb r6, [r9, #CPU_MSW] |
| |
GETPCF8 |
| |
adr r2, msegea_tbl |
| |
and r1, r0, #(3 << 3) |
| |
tst r6, #MSW_PE |
| |
orrne r1, r1, #(4 << 3) |
| |
mov r6, r8 |
| |
ldr r2, [r2, r1 lsr #1] |
| |
cmp r0, #&c0 |
| |
bcc msegeam |
| |
R16SRC r0, r4 |
| |
CPUWORK #2 |
| |
ldrh r0, [r4, #CPU_REG] |
| |
mov pc, r2 |
| |
msegeam str r2, [sp, #-4]! |
| |
CPUWORK #5 |
| |
bl i286a_ea |
| |
ldr lr, [sp], #4 |
| |
b i286a_memoryread_w |
| |
msegea_tbl dcd msegea_es |
| |
dcd msegea_cs |
| |
dcd msegea_ss |
| |
dcd msegea_ds |
| |
dcd msegea_es_p |
| |
dcd msegea_cs |
| |
dcd msegea_ss_p |
| |
dcd msegea_ds_p |
| |
msegea_es mov r1, r0 lsl #4 |
| |
strh r0, [r9, #CPU_ES] |
| |
str r1, [r9, #CPU_ES_BASE] |
| |
mov pc, r11 |
| |
msegea_ds mov r1, r0 lsl #4 |
| |
strh r0, [r9, #CPU_DS] |
| |
str r1, [r9, #CPU_DS_BASE] |
| |
str r1, [r9, #CPU_DS_FIX] |
| |
mov pc, r11 |
| |
msegea_ss mov r1, r0 lsl #4 |
| |
strh r0, [r9, #CPU_SS] |
| |
str r1, [r9, #CPU_SS_BASE] |
| |
str r1, [r9, #CPU_SS_FIX] |
| |
NEXT_OPCODE |
| |
|
| |
msegea_es_p strh r0, [r9, #CPU_ES] |
| |
bl i286a_selector |
| |
str r0, [r9, #CPU_ES_BASE] |
| |
mov pc, r11 |
| |
msegea_ds_p strh r0, [r9, #CPU_DS] |
| |
bl i286a_selector |
| |
str r0, [r9, #CPU_DS_BASE] |
| |
str r0, [r9, #CPU_DS_FIX] |
| |
mov pc, r11 |
| |
msegea_ss_p strh r0, [r9, #CPU_SS] |
| |
bl i286a_selector |
| |
str r0, [r9, #CPU_SS_BASE] |
| |
str r0, [r9, #CPU_SS_FIX] |
| |
NEXT_OPCODE |
| |
|
| |
msegea_cs sub r8, r6, #(2 << 16) |
| |
mov r6, #6 |
| |
b i286a_localint |
| |
|
| |
|
| pop_ea POP #5 |
pop_ea POP #5 |
| mov r4, r0 |
mov r6, r0 |
| GETPC8 |
GETPCF8 |
| cmp r0, #&c0 |
cmp r0, #&c0 |
| bcs popreg |
bcs popreg |
| bl i286a_ea |
bl i286a_ea |
| mov r1, r4 |
mov r1, r6 |
| mov lr, r11 |
mov lr, r11 |
| b i286_memorywrite_w |
b i286a_memorywrite_w |
| popreg R16DST r0, r1 |
popreg R16SRC r0, r1 |
| ldrh r4, [r1, #CPU_REG] |
strh r4, [r1, #CPU_REG] |
| mov pc, r11 |
mov pc, r11 |
| |
|
| |
|
| cbw CPUWORK #2 |
nopandbios sub r0, r8, #(1 << 16) |
| ldrb r0, [r9, #CPU_AL] |
CPUWORK #3 |
| |
;; ldr r5, [r9, #CPU_CS_BASE] |
| |
add r0, r5, r0 lsr #16 |
| |
cmp r0, #&0f8000 |
| |
movcc pc, r11 |
| |
cmp r0, #&100000 |
| |
movcs pc, r11 |
| |
CPUSV |
| |
bl biosfunc |
| |
CPULD |
| |
ldrh r0, [r9, #CPU_ES] |
| |
ldrh r1, [r9, #CPU_CS] |
| |
ldrh r2, [r9, #CPU_SS] |
| |
ldrh r3, [r9, #CPU_DS] |
| |
mov r0, r0 lsl #4 |
| |
mov r1, r1 lsl #4 |
| |
mov r2, r2 lsl #4 |
| |
mov r3, r3 lsl #4 |
| |
str r0, [r9, #CPU_ES_BASE] |
| |
str r1, [r9, #CPU_CS_BASE] |
| |
str r2, [r9, #CPU_SS_BASE] |
| |
str r3, [r9, #CPU_DS_BASE] |
| |
str r2, [r9, #CPU_SS_FIX] |
| |
str r3, [r9, #CPU_DS_FIX] |
| |
mov pc, r11 |
| |
|
| |
cbw ldrb r0, [r9, #CPU_AL] |
| |
CPUWORK #2 |
| mov r1, r0 lsl #24 |
mov r1, r0 lsl #24 |
| mov r0, r1 asr #31 |
mov r0, r1 asr #31 |
| strb r0, [r9, #CPU_AH] |
strb r0, [r9, #CPU_AH] |
| mov pc, r11 |
mov pc, r11 |
| |
|
| cwd CPUWORK #2 |
cwd ldrb r0, [r9, #CPU_AH] |
| ldrb r0, [r9, #CPU_AH] |
CPUWORK #2 |
| mov r1, r0 lsl #24 |
mov r1, r0 lsl #24 |
| mov r0, r1 asr #31 |
mov r0, r1 asr #31 |
| strh r0, [r9, #CPU_DX] |
strh r0, [r9, #CPU_DX] |
| mov pc, r11 |
mov pc, r11 |
| |
|
| call_far CPUWORK #13 |
call_far CPUWORK #13 |
| ldrh r1, [r9, #CPU_CS] |
|
| ldrh r4, [r9, #CPU_SP] |
ldrh r4, [r9, #CPU_SP] |
| |
ldrh r1, [r9, #CPU_CS] |
| ldr r5, [r9, #CPU_SS_BASE] |
ldr r5, [r9, #CPU_SS_BASE] |
| mov r4, r4 lsl #16 |
mov r4, r4 lsl #16 |
| sub r4, r4, #(2 << 16) |
sub r4, r4, #(2 << 16) |
| add r0, r5, r4 lsr #16 |
add r0, r5, r4 lsr #16 |
| bl i286_memorywrite_w |
bl i286a_memorywrite_w ; cs |
| add r12, r8, #(4 << 16) |
|
| sub r4, r4, #(2 << 16) |
sub r4, r4, #(2 << 16) |
| |
add r12, r8, #(4 << 16) |
| |
mov r4, r4, lsr #16 |
| mov r1, r12 lsr #16 |
mov r1, r12 lsr #16 |
| add r0, r5, r4 lsr #16 |
add r0, r4, r5 |
| bl i286_memorywrite_w |
|
| ldr r5, [r9, #CPU_CS_BASE] |
ldr r5, [r9, #CPU_CS_BASE] |
| |
bl i286a_memorywrite_w ; ip |
| strh r4, [r9, #CPU_SP] |
strh r4, [r9, #CPU_SP] |
| add r0, r5, r8 lsr #16 |
add r0, r5, r8 lsr #16 |
| bl i286_memoryread_w |
bl i286a_memoryread_w ; newip |
| add r8, r8, #(2 << 16) |
add r8, r8, #(2 << 16) |
| mov r4, r0 lsl #16 |
mov r4, r0 lsl #16 |
| add r0, r5, r8 lsr #16 |
add r0, r5, r8 lsr #16 |
| bl i286_memoryread_w |
ldrb r5, [r9, #CPU_MSW] |
| mov r1, r0 lsl #4 |
bl i286a_memoryread_w |
| strh r0, [r9, #CPU_CS] |
strh r0, [r9, #CPU_CS] |
| str r1, [r9, #CPU_CS_BASE] |
tst r5, #MSW_PE |
| |
moveq r0, r0 lsl #4 |
| |
blne i286a_selector |
| |
str r0, [r9, #CPU_CS_BASE] |
| mov r0, r8 lsl #16 |
mov r0, r8 lsl #16 |
| orr r8, r4, r0 lsr #16 |
orr r8, r4, r0 lsr #16 |
| mov pc, r11 |
mov pc, r11 |
|
Line 808 wait CPUWORK #2
|
Line 934 wait CPUWORK #2
|
| mov pc, r11 |
mov pc, r11 |
| |
|
| pushf CPUWORK #3 |
pushf CPUWORK #3 |
| ldrh r1, [r9, #CPU_SP] |
ldrh r3, [r9, #CPU_SP] |
| ldr r2, [r9, #CPU_SS_BASE] |
ldr r2, [r9, #CPU_SS_BASE] |
| sub r0, r1, #2 |
|
| mov r3, r0 lsl #16 |
|
| strh r0, [r9, #CPU_SP] |
|
| add r0, r2, r3 lsr #16 |
|
| mov r1, r8 |
mov r1, r8 |
| |
subs r3, r3, #2 |
| |
addcc r3, r3, #&10000 |
| |
strh r3, [r9, #CPU_SP] |
| |
add r0, r3, r2 |
| mov lr, r11 |
mov lr, r11 |
| b i286_memorywrite_w |
b i286a_memorywrite_w |
| |
|
| sahf CPUWORK #2 |
popf POP #5 |
| ldrb r0, [r9, #CPU_AH] |
if 1 |
| |
mov r8, r8 lsr #16 |
| |
bic r1, r0, #&f000 ; i286 |
| |
and r2, r0, #(I_FLAG + T_FLAG) |
| |
orr r8, r1, r8 lsl #16 |
| |
cmp r2, #(I_FLAG + T_FLAG) |
| |
beq popf_withirq |
| |
else |
| |
mov r2, #3 |
| |
mov r8, r8 lsr #16 |
| |
and r2, r2, r0 lsr #8 |
| |
bic r1, r0, #&f000 ; i286 |
| |
ands r2, r2, r2 lsr #1 |
| |
orr r8, r1, r8 lsl #16 |
| |
strb r2, [r9, #CPU_TRAP] |
| |
bne popf_withirq |
| |
endif |
| |
ldr r0, popf_pic |
| |
NOINTREXIT |
| |
popf_withirq I286IRQCHECKTERM |
| |
popf_pic dcd pic |
| |
|
| |
sahf ldrb r0, [r9, #CPU_AH] |
| |
CPUWORK #2 |
| bic r8, r8, #&ff |
bic r8, r8, #&ff |
| orr r8, r0, r8 |
orr r8, r8, r0 |
| mov pc, r11 |
mov pc, r11 |
| |
|
| lahf CPUWORK #2 |
lahf CPUWORK #2 |
|
Line 830 lahf CPUWORK #2
|
Line 979 lahf CPUWORK #2
|
| |
|
| |
|
| mov_al_m8 CPUWORK #5 |
mov_al_m8 CPUWORK #5 |
| ldr r5, [r9, #CPU_DS_FIX] |
ldr r6, [r9, #CPU_DS_FIX] |
| GETPC16 |
GETPC16 |
| add r0, r5, r0 |
add r0, r0, r6 |
| bl i286_memoryread |
bl i286a_memoryread |
| strb r0, [r9, #CPU_AL] |
strb r0, [r9, #CPU_AL] |
| mov pc, r11 |
mov pc, r11 |
| |
|
| mov_ax_m16 CPUWORK #5 |
mov_ax_m16 CPUWORK #5 |
| ldr r5, [r9, #CPU_DS_FIX] |
ldr r6, [r9, #CPU_DS_FIX] |
| GETPC16 |
GETPC16 |
| add r0, r5, r0 |
add r0, r0, r6 |
| bl i286_memoryread_w |
bl i286a_memoryread_w |
| strh r0, [r9, #CPU_AX] |
strh r0, [r9, #CPU_AX] |
| mov pc, r11 |
mov pc, r11 |
| |
|
| mov_m8_al CPUWORK #5 |
mov_m8_al CPUWORK #5 |
| ldr r5, [r9, #CPU_DS_FIX] |
ldr r6, [r9, #CPU_DS_FIX] |
| GETPC16 |
GETPC16 |
| ldrb r1, [r9, #CPU_AL] |
ldrb r1, [r9, #CPU_AL] |
| add r0, r5, r0 |
add r0, r0, r6 |
| mov lr, r11 |
mov lr, r11 |
| b i286_memorywrite |
b i286a_memorywrite |
| |
|
| mov_m16_ax CPUWORK #5 |
mov_m16_ax CPUWORK #5 |
| ldr r5, [r9, #CPU_DS_FIX] |
ldr r6, [r9, #CPU_DS_FIX] |
| GETPC16 |
GETPC16 |
| ldrh r1, [r9, #CPU_AX] |
ldrh r1, [r9, #CPU_AX] |
| add r0, r5, r0 |
add r0, r0, r6 |
| mov lr, r11 |
mov lr, r11 |
| b i286_memorywrite_w |
b i286a_memorywrite_w |
| |
|
| movsb CPUWORK #5 |
movsb CPUWORK #5 |
| |
ldrh r6, [r9, #CPU_SI] |
| ldr r0, [r9, #CPU_DS_FIX] |
ldr r0, [r9, #CPU_DS_FIX] |
| ldrh r5, [r9, #CPU_SI] |
tst r8, #D_FLAG |
| add r0, r5, r0 |
moveq r4, #1 |
| bl i286_memoryread |
movne r4, #-1 |
| ldr r2, [r9, #CPU_ES_BASE] |
add r0, r6, r0 |
| |
bl i286a_memoryread |
| ldrh r3, [r9, #CPU_DI] |
ldrh r3, [r9, #CPU_DI] |
| and r12, r8, #D_FLAG |
ldr r2, [r9, #CPU_ES_BASE] |
| |
add r6, r6, r4 |
| mov r1, r0 |
mov r1, r0 |
| mov r12, r12 lsr #(10 - 1) |
add r0, r3, r2 |
| add r0, r2, r3 |
add r3, r3, r4 |
| rsb r2, r12, #1 |
strh r6, [r9, #CPU_SI] |
| mov lr, r11 |
|
| add r5, r2, r5 |
|
| add r3, r2, r3 |
|
| strh r5, [r9, #CPU_SI] |
|
| strh r3, [r9, #CPU_DI] |
strh r3, [r9, #CPU_DI] |
| b i286_memorywrite |
mov lr, r11 |
| |
b i286a_memorywrite |
| |
|
| movsw CPUWORK #5 |
movsw CPUWORK #5 |
| |
ldrh r6, [r9, #CPU_SI] |
| ldr r0, [r9, #CPU_DS_FIX] |
ldr r0, [r9, #CPU_DS_FIX] |
| ldrh r5, [r9, #CPU_SI] |
tst r8, #D_FLAG |
| add r0, r5, r0 |
moveq r4, #2 |
| bl i286_memoryread_w |
movne r4, #-2 |
| ldr r2, [r9, #CPU_ES_BASE] |
add r0, r6, r0 |
| |
bl i286a_memoryread_w |
| ldrh r3, [r9, #CPU_DI] |
ldrh r3, [r9, #CPU_DI] |
| and r12, r8, #D_FLAG |
ldr r2, [r9, #CPU_ES_BASE] |
| |
add r6, r6, r4 |
| mov r1, r0 |
mov r1, r0 |
| mov r12, r12 lsr #(10 - 2) |
add r0, r3, r2 |
| add r0, r2, r3 |
add r3, r3, r4 |
| rsb r2, r12, #2 |
strh r6, [r9, #CPU_SI] |
| mov lr, r11 |
|
| add r5, r2, r5 |
|
| add r3, r2, r3 |
|
| strh r5, [r9, #CPU_SI] |
|
| strh r3, [r9, #CPU_DI] |
strh r3, [r9, #CPU_DI] |
| b i286_memorywrite_w |
mov lr, r11 |
| |
b i286a_memorywrite_w |
| |
|
| cmpsb CPUWORK #8 |
cmpsb ldrh r5, [r9, #CPU_SI] |
| ldr r0, [r9, #CPU_DS_FIX] |
ldr r0, [r9, #CPU_DS_FIX] |
| ldrh r5, [r9, #CPU_SI] |
ldr r4, [r9, #CPU_ES_BASE] |
| add r0, r5, r0 |
CPUWORK #8 |
| bl i286_memoryread |
add r0, r0, r5 |
| ldr r2, [r9, #CPU_ES_BASE] |
bl i286a_memoryread |
| ldrh r3, [r9, #CPU_DI] |
ldrh r3, [r9, #CPU_DI] |
| mov r6, r0 |
mov r6, r0 |
| and r12, r8, #D_FLAG |
and r12, r8, #D_FLAG |
| mov r12, r12 lsr #(10 - 1) |
mov r12, r12 lsr #(10 - 1) |
| add r0, r2, r3 |
add r0, r3, r4 |
| rsb r2, r12, #1 |
rsb r2, r12, #1 |
| add r5, r2, r5 |
add r5, r2, r5 |
| add r3, r2, r3 |
add r3, r2, r3 |
| strh r5, [r9, #CPU_SI] |
strh r5, [r9, #CPU_SI] |
| strh r3, [r9, #CPU_DI] |
strh r3, [r9, #CPU_DI] |
| bl i286_memoryread |
bl i286a_memoryread |
| SUB8 r6, r0 |
SUB8 r6, r0 |
| mov pc, r11 |
mov pc, r11 |
| |
|
| cmpsw CPUWORK #8 |
cmpsw ldrh r5, [r9, #CPU_SI] |
| ldr r0, [r9, #CPU_DS_FIX] |
ldr r0, [r9, #CPU_DS_FIX] |
| ldrh r5, [r9, #CPU_SI] |
ldr r4, [r9, #CPU_ES_BASE] |
| add r0, r5, r0 |
CPUWORK #8 |
| bl i286_memoryread_w |
add r0, r0, r5 |
| ldr r2, [r9, #CPU_ES_BASE] |
bl i286a_memoryread_w |
| ldrh r3, [r9, #CPU_DI] |
ldrh r3, [r9, #CPU_DI] |
| mov r6, r0 |
mov r6, r0 |
| and r12, r8, #D_FLAG |
and r12, r8, #D_FLAG |
| mov r12, r12 lsr #(10 - 2) |
mov r12, r12 lsr #(10 - 2) |
| add r0, r2, r3 |
add r0, r3, r4 |
| rsb r2, r12, #2 |
rsb r2, r12, #2 |
| add r5, r2, r5 |
add r5, r2, r5 |
| add r3, r2, r3 |
add r3, r2, r3 |
| strh r5, [r9, #CPU_SI] |
strh r5, [r9, #CPU_SI] |
| strh r3, [r9, #CPU_DI] |
strh r3, [r9, #CPU_DI] |
| bl i286_memoryread_w |
bl i286a_memoryread_w |
| SUB16 r6, r0 |
SUB16 r6, r0 |
| mov pc, r11 |
mov pc, r11 |
| |
|
| stosb CPUWORK #3 |
stosb CPUWORK #3 |
| ldr r0, [r9, #CPU_ES_BASE] |
|
| ldrb r1, [r9, #CPU_AL] |
ldrb r1, [r9, #CPU_AL] |
| ldrh r2, [r9, #CPU_DI] |
ldrh r2, [r9, #CPU_DI] |
| add r0, r2, r0 |
ldr r0, [r9, #CPU_ES_BASE] |
| tst r8, #D_FLAG |
tst r8, #D_FLAG |
| addeq r2, r2, #1 |
addeq r3, r2, #1 |
| subne r2, r2, #1 |
subne r3, r2, #1 |
| strh r2, [r9, #CPU_DI] |
add r0, r2, r0 |
| |
strh r3, [r9, #CPU_DI] |
| mov lr, r11 |
mov lr, r11 |
| b i286_memorywrite |
b i286a_memorywrite |
| |
|
| stosw CPUWORK #3 |
stosw CPUWORK #3 |
| ldr r0, [r9, #CPU_ES_BASE] |
|
| ldrh r1, [r9, #CPU_AX] |
ldrh r1, [r9, #CPU_AX] |
| ldrh r2, [r9, #CPU_DI] |
ldrh r2, [r9, #CPU_DI] |
| add r0, r2, r0 |
ldr r0, [r9, #CPU_ES_BASE] |
| tst r8, #D_FLAG |
tst r8, #D_FLAG |
| addeq r2, r2, #2 |
addeq r3, r2, #2 |
| subne r2, r2, #2 |
subne r3, r2, #2 |
| strh r2, [r9, #CPU_DI] |
add r0, r2, r0 |
| |
strh r3, [r9, #CPU_DI] |
| mov lr, r11 |
mov lr, r11 |
| b i286_memorywrite_w |
b i286a_memorywrite_w |
| |
|
| lodsb CPUWORK #5 |
lodsb CPUWORK #5 |
| ldr r0, [r9, #CPU_DS_FIX] |
|
| ldrh r5, [r9, #CPU_SI] |
ldrh r5, [r9, #CPU_SI] |
| add r0, r5, r0 |
ldr r0, [r9, #CPU_DS_FIX] |
| bl i286_memoryread |
|
| tst r8, #D_FLAG |
tst r8, #D_FLAG |
| addeq r5, r5, #1 |
addeq r6, r5, #1 |
| subne r5, r5, #1 |
subne r6, r5, #1 |
| |
add r0, r5, r0 |
| |
bl i286a_memoryread |
| strb r0, [r9, #CPU_AL] |
strb r0, [r9, #CPU_AL] |
| strh r5, [r9, #CPU_SI] |
strh r6, [r9, #CPU_SI] |
| mov pc, r11 |
mov pc, r11 |
| |
|
| lodsw CPUWORK #5 |
lodsw CPUWORK #5 |
| ldr r0, [r9, #CPU_DS_FIX] |
|
| ldrh r5, [r9, #CPU_SI] |
ldrh r5, [r9, #CPU_SI] |
| add r0, r5, r0 |
ldr r0, [r9, #CPU_DS_FIX] |
| bl i286_memoryread_w |
|
| tst r8, #D_FLAG |
tst r8, #D_FLAG |
| addeq r5, r5, #2 |
addeq r6, r5, #2 |
| subne r5, r5, #2 |
subne r6, r5, #2 |
| |
add r0, r5, r0 |
| |
bl i286a_memoryread_w |
| strh r0, [r9, #CPU_AX] |
strh r0, [r9, #CPU_AX] |
| strh r5, [r9, #CPU_SI] |
strh r6, [r9, #CPU_SI] |
| mov pc, r11 |
mov pc, r11 |
| |
|
| scasb CPUWORK #7 |
scasb CPUWORK #7 |
| ldr r0, [r9, #CPU_DS_FIX] |
ldrh r5, [r9, #CPU_DI] |
| ldrh r5, [r9, #CPU_SI] |
ldr r0, [r9, #CPU_ES_BASE] |
| add r0, r5, r0 |
|
| bl i286_memoryread |
|
| tst r8, #D_FLAG |
tst r8, #D_FLAG |
| addeq r5, r5, #1 |
addeq r6, r5, #1 |
| subne r5, r5, #1 |
subne r6, r5, #1 |
| strh r5, [r9, #CPU_SI] |
add r0, r5, r0 |
| |
bl i286a_memoryread |
| ldrb r5, [r9, #CPU_AL] |
ldrb r5, [r9, #CPU_AL] |
| |
strh r6, [r9, #CPU_DI] |
| SUB8 r5, r0 |
SUB8 r5, r0 |
| mov pc, r11 |
mov pc, r11 |
| |
|
| scasw CPUWORK #7 |
scasw CPUWORK #7 |
| ldr r0, [r9, #CPU_DS_FIX] |
ldrh r5, [r9, #CPU_DI] |
| ldrh r5, [r9, #CPU_SI] |
ldr r0, [r9, #CPU_ES_BASE] |
| add r0, r5, r0 |
|
| bl i286_memoryread_w |
|
| tst r8, #D_FLAG |
tst r8, #D_FLAG |
| addeq r5, r5, #2 |
addeq r6, r5, #2 |
| subne r5, r5, #2 |
subne r6, r5, #2 |
| strh r5, [r9, #CPU_SI] |
add r0, r5, r0 |
| |
bl i286a_memoryread_w |
| ldrh r5, [r9, #CPU_AX] |
ldrh r5, [r9, #CPU_AX] |
| |
strh r6, [r9, #CPU_DI] |
| SUB16 r5, r0 |
SUB16 r5, r0 |
| mov pc, r11 |
mov pc, r11 |
| |
|
| |
|
| ret_near_d16 CPUWORK #11 |
ret_near_d16 GETPC16 |
| GETPC16 |
|
| ldrh r1, [r9, #CPU_SP] |
ldrh r1, [r9, #CPU_SP] |
| ldr r2, [r9, #CPU_SS_BASE] |
ldr r2, [r9, #CPU_SS_BASE] |
| |
CPUWORK #11 |
| add r3, r0, r1 |
add r3, r0, r1 |
| add r0, r1, r2 |
add r0, r1, r2 |
| add r3, r3, #2 |
add r3, r3, #2 |
| strh r3, [r9, #CPU_SP] |
strh r3, [r9, #CPU_SP] |
| bl i286_memoryread_w |
bl i286a_memoryread_w |
| mov r8, r8 lsl #16 |
mov r8, r8 lsl #16 |
| mov r8, r8 lsr #16 |
mov r8, r8 lsr #16 |
| orr r8, r8, r0 lsl #16 |
orr r8, r8, r0 lsl #16 |
| mov pc, r11 |
mov pc, r11 |
| |
|
| ret_near CPUWORK #11 |
ret_near CPUWORK #11 |
| ldrh r4, [r9, #CPU_SP] |
ldrh r1, [r9, #CPU_SP] |
| ldr r0, [r9, #CPU_SS_BASE] |
ldr r0, [r9, #CPU_SS_BASE] |
| add r0, r4, r0 |
|
| add r4, r4, #2 |
|
| strh r4, [r9, #CPU_SP] |
|
| bl i286_memoryread_w |
|
| mov r8, r8 lsl #16 |
mov r8, r8 lsl #16 |
| |
add r2, r1, #2 |
| |
add r0, r1, r0 |
| |
strh r2, [r9, #CPU_SP] |
| mov r8, r8 lsr #16 |
mov r8, r8 lsr #16 |
| |
bl i286a_memoryread_w |
| orr r8, r8, r0 lsl #16 |
orr r8, r8, r0 lsl #16 |
| mov pc, r11 |
mov pc, r11 |
| |
|
| les_r16_ea GETPC8 |
les_r16_ea GETPCF8 |
| cmp r0, #&c0 |
cmp r0, #&c0 |
| bcs lr16_r |
bcs lr16_r |
| CPUWORK #3 |
CPUWORK #3 |
|
Line 1049 les_r16_ea GETPC8
|
Line 1198 les_r16_ea GETPC8
|
| add r4, r0, #2 |
add r4, r0, #2 |
| add r0, r0, r6 |
add r0, r0, r6 |
| bic r4, r4, #(1 << 16) |
bic r4, r4, #(1 << 16) |
| bl i286_memoryread_w |
bl i286a_memoryread_w |
| ldrh r0, [r5, #CPU_REG] |
strh r0, [r5, #CPU_REG] |
| add r0, r4, r6 |
add r0, r4, r6 |
| bl i286_memoryread_w |
ldrb r4, [r9, #CPU_MSW] |
| mov r1, r0 lsl #4 |
bl i286a_memoryread_w |
| ldr r0, [r5, #CPU_ES] |
strh r0, [r9, #CPU_ES] |
| ldr r1, [r5, #CPU_ES_BASE] |
tst r4, #MSW_PE |
| |
moveq r0, r0 lsl #4 |
| |
blne i286a_selector |
| |
str r0, [r9, #CPU_ES_BASE] |
| mov pc, r11 |
mov pc, r11 |
| lr16_r mov r6, #6 |
lr16_r mov r6, #6 |
| sub r8, r8, #(2 << 16) |
sub r8, r8, #(2 << 16) |
| b i286a_localint |
b i286a_localint |
| |
|
| lds_r16_ea GETPC8 |
lds_r16_ea GETPCF8 |
| cmp r0, #&c0 |
cmp r0, #&c0 |
| bcs lr16_r |
bcs lr16_r |
| CPUWORK #3 |
CPUWORK #3 |
|
Line 1070 lds_r16_ea GETPC8
|
Line 1222 lds_r16_ea GETPC8
|
| add r4, r0, #2 |
add r4, r0, #2 |
| add r0, r0, r6 |
add r0, r0, r6 |
| bic r4, r4, #(1 << 16) |
bic r4, r4, #(1 << 16) |
| bl i286_memoryread_w |
bl i286a_memoryread_w |
| ldrh r0, [r5, #CPU_REG] |
strh r0, [r5, #CPU_REG] |
| add r0, r4, r6 |
add r0, r4, r6 |
| bl i286_memoryread_w |
ldrb r4, [r9, #CPU_MSW] |
| mov r1, r0 lsl #4 |
bl i286a_memoryread_w |
| ldr r0, [r5, #CPU_ES] |
strh r0, [r9, #CPU_DS] |
| ldr r1, [r5, #CPU_DS_BASE] |
tst r4, #MSW_PE |
| ldr r1, [r5, #CPU_DS_FIX] |
moveq r0, r0 lsl #4 |
| |
blne i286a_selector |
| |
str r0, [r9, #CPU_DS_BASE] |
| |
str r0, [r9, #CPU_DS_FIX] |
| mov pc, r11 |
mov pc, r11 |
| |
|
| mov_ea8_d8 GETPC8 |
mov_ea8_d8 GETPCF8 |
| cmp r0, #&c0 |
cmp r0, #&c0 |
| bcs med8_r |
bcs med8_r |
| CPUWORK #3 |
CPUWORK #3 |
| bl i286a_ea |
bl i286a_ea |
| mov r4, r0 |
mov r4, r0 |
| GETPC8 |
GETPCF8 |
| mov r1, r0 |
mov r1, r0 |
| mov r0, r4 |
mov r0, r4 |
| mov lr, r11 |
mov lr, r11 |
| b i286_memorywrite |
b i286a_memorywrite |
| med8_r CPUWORK #2 |
med8_r CPUWORK #2 |
| R8DST r0, r4 |
R8DST r0, r4 |
| GETPC8 |
GETPCF8 |
| ldrb r0, [r4, #CPU_REG] |
strb r0, [r4, #CPU_REG] |
| mov pc, r11 |
mov pc, r11 |
| |
|
| mov_ea16_d16 GETPC8 |
mov_ea16_d16 GETPCF8 |
| cmp r0, #&c0 |
cmp r0, #&c0 |
| bcs med16_r |
bcs med16_r |
| CPUWORK #3 |
CPUWORK #3 |
|
Line 1107 mov_ea16_d16 GETPC8
|
Line 1262 mov_ea16_d16 GETPC8
|
| mov r1, r0 |
mov r1, r0 |
| mov r0, r4 |
mov r0, r4 |
| mov lr, r11 |
mov lr, r11 |
| b i286_memorywrite_w |
b i286a_memorywrite_w |
| med16_r CPUWORK #2 |
med16_r CPUWORK #2 |
| R16DST r0, r4 |
R16DST r0, r4 |
| GETPC16 |
GETPC16 |
| ldrh r0, [r4, #CPU_REG] |
strh r0, [r4, #CPU_REG] |
| mov pc, r11 |
mov pc, r11 |
| |
|
| enter ldrh r4, [r9, #CPU_SP] |
enter ldrh r4, [r9, #CPU_SP] |
|
Line 1121 enter ldrh r4, [r9, #CPU_SP]
|
Line 1276 enter ldrh r4, [r9, #CPU_SP]
|
| addcc r4, r4, #&10000 |
addcc r4, r4, #&10000 |
| mov r1, r5 |
mov r1, r5 |
| add r0, r4, r0 |
add r0, r4, r0 |
| bl i286_memorywrite_w |
bl i286a_memorywrite_w |
| GETPC16 |
GETPC16 |
| mov r6, r0 |
mov r6, r0 |
| GETPC8 |
GETPC8 |
|
Line 1144 enterlv1 cmp r0, #1
|
Line 1299 enterlv1 cmp r0, #1
|
| sub r2, r4, r6 |
sub r2, r4, r6 |
| mov lr, r11 |
mov lr, r11 |
| strh r2, [r9, #CPU_SP] |
strh r2, [r9, #CPU_SP] |
| bl i286_memorywrite_w |
bl i286a_memorywrite_w |
| enterlv2 mov r1, r0, lsl #2 |
enterlv2 mov r1, r0, lsl #2 |
| add r1, r1, #12 |
add r1, r1, #12 |
| CPUWORK r1 |
CPUWORK r1 |
| strh r4, [r9, #CPU_BP] |
strh r4, [r9, #CPU_BP] |
| stmdb sp!, {r11} |
str r11, [sp, #-4]! |
| mov r4, r4 lsl #16 |
mov r4, r4 lsl #16 |
| sub r2, r4, r0 lsl #17 |
sub r2, r4, r0 lsl #17 |
| sub r2, r4, #(2 << 16) |
sub r2, r4, #(2 << 16) |
|
Line 1158 enterlv2 mov r1, r0, lsl #2
|
Line 1313 enterlv2 mov r1, r0, lsl #2
|
| strh r3, [r9, #CPU_SP] |
strh r3, [r9, #CPU_SP] |
| mov r6, r0 |
mov r6, r0 |
| ldr r11, [r9, #CPU_SS_BASE] |
ldr r11, [r9, #CPU_SS_BASE] |
| add r0, r11, r2 |
|
| mov r1, r5 |
mov r1, r5 |
| mov r5, r5 lsl #16 |
mov r5, r5 lsl #16 |
| bl i286_memorywrite_w |
add r0, r11, r2 |
| |
bl i286a_memorywrite_w |
| entlv2lp sub r5, r5, #(2 << 16) |
entlv2lp sub r5, r5, #(2 << 16) |
| sub r4, r4, #(2 << 16) |
sub r4, r4, #(2 << 16) |
| add r0, r11, r5 lsr #16 |
add r0, r11, r5 lsr #16 |
| bl i286_memoryread_w |
bl i286a_memoryread_w |
| mov r1, r0 |
mov r1, r0 |
| add r0, r11, r4 |
add r0, r11, r4 |
| bl i286_memorywrite_w |
bl i286a_memorywrite_w |
| subs r6, r6, #1 |
subs r6, r6, #1 |
| bne entlv2lp |
bne entlv2lp |
| ldmia sp!, {pc} |
ldr pc, [sp], #4 |
| |
|
| leave CPUWORK #5 |
leave ldrh r1, [r9, #CPU_BP] |
| ldrh r4, [r9, #CPU_BP] |
|
| ldr r0, [r9, #CPU_SS_BASE] |
ldr r0, [r9, #CPU_SS_BASE] |
| add r0, r4, r0 |
CPUWORK #5 |
| bl i286_memoryread_w |
add r4, r1, #2 |
| add r4, r4, #2 |
add r0, r0, r1 |
| strh r0, [r9, #CPU_BP] |
bl i286a_memoryread_w |
| strh r4, [r9, #CPU_SP] |
strh r4, [r9, #CPU_SP] |
| |
strh r0, [r9, #CPU_BP] |
| mov pc, r11 |
mov pc, r11 |
| |
|
| ret_far_d16 CPUWORK #15 |
ret_far_d16 GETPC16 |
| GETPC16 |
|
| mov r6, r0 |
|
| ldrh r4, [r9, #CPU_SP] |
ldrh r4, [r9, #CPU_SP] |
| ldr r5, [r9, #CPU_SS_BASE] |
ldr r5, [r9, #CPU_SS_BASE] |
| add r0, r4, r5 |
mov r6, r0 |
| |
CPUWORK #15 |
| |
add r0, r5, r4 |
| add r4, r4, #2 |
add r4, r4, #2 |
| bl i286_memoryread_w |
bl i286a_memoryread_w |
| mov r8, r8 lsl #16 |
mov r8, r8 lsl #16 |
| mov r8, r8 lsr #16 |
mov r8, r8 lsr #16 |
| orr r8, r8, r0 lsl #16 |
orr r8, r8, r0 lsl #16 |
| bic r4, r4, #(1 << 16) |
bic r4, r4, #(1 << 16) |
| add r0, r4, r5 |
add r0, r4, r5 |
| add r4, r4, #2 |
add r4, r4, #2 |
| bl i286_memoryread_w |
bl i286a_memoryread_w |
| add r4, r6, r4 |
add r4, r6, r4 |
| mov r1, r0 lsl #4 |
ldrb r1, [r9, #CPU_MSW] |
| strh r4, [r9, #CPU_SP] |
strh r4, [r9, #CPU_SP] |
| strh r0, [r9, #CPU_CS] |
strh r0, [r9, #CPU_CS] |
| str r1, [r9, #CPU_CS_BASE] |
tst r1, #MSW_PE |
| |
moveq r0, r0 lsl #4 |
| |
blne i286a_selector |
| |
str r0, [r9, #CPU_CS_BASE] |
| mov pc, r11 |
mov pc, r11 |
| |
|
| ret_far CPUWORK #15 |
ret_far ldrh r1, [r9, #CPU_SP] |
| ldrh r4, [r9, #CPU_SP] |
|
| ldr r5, [r9, #CPU_SS_BASE] |
ldr r5, [r9, #CPU_SS_BASE] |
| add r0, r4, r5 |
CPUWORK #15 |
| add r4, r4, #2 |
add r4, r1, #2 |
| bl i286_memoryread_w |
add r0, r5, r1 |
| |
bl i286a_memoryread_w |
| mov r8, r8 lsl #16 |
mov r8, r8 lsl #16 |
| mov r8, r8 lsr #16 |
mov r8, r8 lsr #16 |
| orr r8, r8, r0 lsl #16 |
orr r8, r8, r0 lsl #16 |
| bic r4, r4, #(1 << 16) |
bic r4, r4, #(1 << 16) |
| add r0, r4, r5 |
add r0, r4, r5 |
| add r4, r4, #2 |
add r4, r4, #2 |
| bl i286_memoryread_w |
bl i286a_memoryread_w |
| mov r1, r0 lsl #4 |
ldrb r1, [r9, #CPU_MSW] |
| strh r4, [r9, #CPU_SP] |
strh r4, [r9, #CPU_SP] |
| strh r0, [r9, #CPU_CS] |
strh r0, [r9, #CPU_CS] |
| str r1, [r9, #CPU_CS_BASE] |
tst r1, #MSW_PE |
| |
moveq r0, r0 lsl #4 |
| |
blne i286a_selector |
| |
str r0, [r9, #CPU_CS_BASE] |
| mov pc, r11 |
mov pc, r11 |
| |
|
| int_03 CPUWORK #3 |
int_03 CPUWORK #3 |
|
Line 1229 int_03 CPUWORK #3
|
Line 1390 int_03 CPUWORK #3
|
| b i286a_localint |
b i286a_localint |
| |
|
| int_d8 CPUWORK #3 |
int_d8 CPUWORK #3 |
| GETPC8 |
GETPCF8 |
| mov r6, r0 |
mov r6, r0 |
| b i286a_localint |
b i286a_localint |
| |
|
|
Line 1239 into CPUWORK #4
|
Line 1400 into CPUWORK #4
|
| mov r6, #4 |
mov r6, #4 |
| b i286a_localint |
b i286a_localint |
| |
|
| |
iret ldrh r1, [r9, #CPU_SP] |
| |
ldr r5, [r9, #CPU_SS_BASE] |
| |
CPUWORK #31 |
| |
add r4, r1, #2 |
| |
add r0, r5, r1 |
| |
bl i286a_memoryread_w |
| |
bic r4, r4, #(1 << 16) |
| |
mov r8, r0 lsl #16 |
| |
add r0, r4, r5 |
| |
add r4, r4, #2 |
| |
bl i286a_memoryread_w |
| |
mov r1, r0 lsl #4 |
| |
strh r0, [r9, #CPU_CS] |
| |
str r1, [r9, #CPU_CS_BASE] |
| |
bic r4, r4, #(1 << 16) |
| |
add r0, r4, r5 |
| |
add r4, r4, #2 |
| |
bl i286a_memoryread_w |
| |
strh r4, [r9, #CPU_SP] |
| |
if 1 |
| |
bic r1, r0, #&f000 |
| |
and r2, r0, #(I_FLAG + T_FLAG) |
| |
orr r8, r1, r8 |
| |
cmp r2, #(I_FLAG + T_FLAG) |
| |
beq iret_withirq |
| |
else |
| |
mov r2, #3 |
| |
bic r1, r0, #&f000 ; i286 |
| |
and r2, r2, r0 lsr #8 |
| |
orr r8, r1, r8 |
| |
ands r2, r2, r2 lsr #1 |
| |
strb r2, [r9, #CPU_TRAP] |
| |
bne iret_withirq |
| |
endif |
| |
ldr r0, iret_pic |
| |
NOINTREXIT |
| |
iret_withirq I286IRQCHECKTERM |
| |
iret_pic dcd pic |
| |
|
| |
|
| aam CPUWORK #16 |
aam CPUWORK #16 |
| GETPC8 |
GETPCF8 |
| movs r0, r0, lsl #7 |
movs r0, r0 lsl #7 |
| beq aamzero |
beq aamzero |
| ldrb r1, [r9, #CPU_AL] |
ldrb r1, [r9, #CPU_AL] |
| mov r2, #&80 |
mov r2, #&80 |
|
Line 1250 aam CPUWORK #16
|
Line 1450 aam CPUWORK #16
|
| aamlp cmp r1, r0 |
aamlp cmp r1, r0 |
| subcs r1, r1, r0 |
subcs r1, r1, r0 |
| orrcs r3, r2, r3 |
orrcs r3, r2, r3 |
| |
mov r0, r0 lsr #1 |
| movs r2, r2 lsr #1 |
movs r2, r2 lsr #1 |
| bne aamlp |
bne aamlp |
| bic r8, r8, #(S_FLAG + Z_FLAG + P_FLAG) |
|
| ldrb r2, [r10, r1] |
ldrb r2, [r10, r1] |
| and r2, r2, #P_FLAG |
add r1, r1, r3 lsl #8 |
| orr r8, r2, r8 |
bic r8, r8, #(S_FLAG + Z_FLAG + P_FLAG) |
| orr r1, r1, r3 lsl #8 |
movs r3, r1 lsl #16 |
| movs r2, r1 lsl #16 |
|
| orreq r8, r8, #Z_FLAG |
orreq r8, r8, #Z_FLAG |
| orrmi r8, r8, #S_FLAG |
orrmi r8, r8, #S_FLAG |
| |
and r2, r2, #P_FLAG |
| |
orr r8, r2, r8 |
| strh r1, [r9, #CPU_AX] |
strh r1, [r9, #CPU_AX] |
| mov pc, r11 |
mov pc, r11 |
| aamzero sub r8, r8, #(2 << 16) |
aamzero sub r8, r8, #(2 << 16) |
| mov r6, #0 |
mov r6, #0 |
| b i286a_localint |
b i286a_localint |
| |
|
| aad CPUWORK #14 |
aad ldrh r6, [r9, #CPU_AX] |
| GETPC8 |
GETPCF8 |
| ldrh r1, [r9, #CPU_AX] |
mov r2, r6 lsr #8 |
| |
mla r3, r2, r0, r6 |
| bic r8, r8, #(S_FLAG + Z_FLAG + P_FLAG) |
bic r8, r8, #(S_FLAG + Z_FLAG + P_FLAG) |
| mov r2, r1 lsr #8 |
|
| mla r3, r2, r0, r1 |
|
| and r1, r3, #&ff |
and r1, r3, #&ff |
| ldrb r2, [r10, r1] |
ldrb r2, [r1, r10] |
| strh r1, [r9, #CPU_AX] |
strh r1, [r9, #CPU_AX] |
| |
CPUWORK #14 |
| orr r8, r2, r8 |
orr r8, r2, r8 |
| mov pc, r11 |
mov pc, r11 |
| |
|
|
Line 1284 setalc CPUWORK #2
|
Line 1485 setalc CPUWORK #2
|
| strb r0, [r9, #CPU_AL] |
strb r0, [r9, #CPU_AL] |
| mov pc, r11 |
mov pc, r11 |
| |
|
| xlat CPUWORK #5 |
xlat ldrb r0, [r9, #CPU_AL] |
| ldrb r0, [r9, #CPU_AL] |
|
| ldrh r1, [r9, #CPU_BX] |
ldrh r1, [r9, #CPU_BX] |
| ldr r2, [r9, #CPU_DS_FIX] |
ldr r2, [r9, #CPU_DS_FIX] |
| |
CPUWORK #5 |
| add r0, r1, r0 |
add r0, r1, r0 |
| bic r0, r0, #(1 << 16) |
bic r0, r0, #(1 << 16) |
| add r0, r2, r0 |
add r0, r2, r0 |
| bl i286_memoryread |
bl i286a_memoryread |
| strb r0, [r9, #CPU_AL] |
strb r0, [r9, #CPU_AL] |
| mov pc, r11 |
mov pc, r11 |
| |
|
| esc CPUWORK #2 |
esc CPUWORK #2 |
| GETPC8 |
GETPCF8 |
| cmp r0, #&c0 |
cmp r0, #&c0 |
| movcs pc, r11 |
movcs pc, r11 |
| mov lr, r11 |
mov lr, r11 |
|
Line 1304 esc CPUWORK #2
|
Line 1505 esc CPUWORK #2
|
| |
|
| |
|
| loopnz ldrh r0, [r9, #CPU_CX] |
loopnz ldrh r0, [r9, #CPU_CX] |
| |
; |
| |
; |
| subs r0, r0, #1 |
subs r0, r0, #1 |
| strh r0, [r9, #CPU_CX] |
strh r0, [r9, #CPU_CX] |
| beq lpnznoj |
beq lpnznoj |
|
Line 1315 lpnznoj CPUWORK #4
|
Line 1518 lpnznoj CPUWORK #4
|
| mov pc, r11 |
mov pc, r11 |
| |
|
| loopz ldrh r0, [r9, #CPU_CX] |
loopz ldrh r0, [r9, #CPU_CX] |
| |
; |
| |
; |
| subs r0, r0, #1 |
subs r0, r0, #1 |
| strh r0, [r9, #CPU_CX] |
strh r0, [r9, #CPU_CX] |
| beq lpznoj |
beq lpznoj |
|
Line 1326 lpznoj CPUWORK #4
|
Line 1531 lpznoj CPUWORK #4
|
| mov pc, r11 |
mov pc, r11 |
| |
|
| loop ldrh r0, [r9, #CPU_CX] |
loop ldrh r0, [r9, #CPU_CX] |
| |
; |
| |
; |
| subs r0, r0, #1 |
subs r0, r0, #1 |
| strh r0, [r9, #CPU_CX] |
strh r0, [r9, #CPU_CX] |
| beq lpnoj |
beq lpnoj |
|
Line 1335 lpnoj CPUWORK #4
|
Line 1542 lpnoj CPUWORK #4
|
| mov pc, r11 |
mov pc, r11 |
| |
|
| jcxz ldrh r0, [r9, #CPU_CX] |
jcxz ldrh r0, [r9, #CPU_CX] |
| |
; |
| |
; |
| cmp r0, #0 |
cmp r0, #0 |
| beq jcxzj |
beq jcxzj |
| CPUWORK #4 |
CPUWORK #4 |
|
Line 1342 jcxz ldrh r0, [r9, #CPU_CX]
|
Line 1551 jcxz ldrh r0, [r9, #CPU_CX]
|
| mov pc, r11 |
mov pc, r11 |
| jcxzj JMPS #8 |
jcxzj JMPS #8 |
| |
|
| in_al_d8 CPUWORK #5 |
in_al_d8 GETPCF8 |
| GETPC8 |
CPUWORK #5 |
| |
add r3, r5, r8 lsr #16 |
| |
CPUSV |
| |
str r3, [r9, #CPU_INPUT] |
| bl iocore_inp8 |
bl iocore_inp8 |
| |
CPULD |
| |
mov r3, #0 |
| strb r0, [r9, #CPU_AL] |
strb r0, [r9, #CPU_AL] |
| |
str r3, [r9, #CPU_INPUT] |
| mov pc, r11 |
mov pc, r11 |
| |
|
| in_ax_d8 CPUWORK #5 |
in_ax_d8 CPUWORK #5 |
| GETPC8 |
GETPCF8 |
| |
CPUSV |
| bl iocore_inp16 |
bl iocore_inp16 |
| |
CPULD |
| strh r0, [r9, #CPU_AX] |
strh r0, [r9, #CPU_AX] |
| mov pc, r11 |
mov pc, r11 |
| |
|
| out_d8_al CPUWORK #3 |
out_d8_al CPUWORK #3 |
| GETPC8 |
GETPCF8 |
| ldrb r1, [r9, #CPU_AL] |
ldrb r1, [r9, #CPU_AL] |
| CPUSV |
CPUSV |
| bl iocore_out8 |
bl iocore_out8 |
|
Line 1363 out_d8_al CPUWORK #3
|
Line 1580 out_d8_al CPUWORK #3
|
| mov pc, r11 |
mov pc, r11 |
| |
|
| out_d8_ax CPUWORK #3 |
out_d8_ax CPUWORK #3 |
| GETPC8 |
GETPCF8 |
| ldrh r1, [r9, #CPU_AX] |
ldrh r1, [r9, #CPU_AX] |
| CPUSV |
CPUSV |
| bl iocore_out16 |
bl iocore_out16 |
| CPULD |
CPULD |
| mov pc, r11 |
mov pc, r11 |
| |
|
| call_near CPUWORK #7 |
call_near GETPC16 |
| GETPC16 |
|
| ldrh r2, [r9, #CPU_SP] |
ldrh r2, [r9, #CPU_SP] |
| ldr r3, [r9, #CPU_SS_BASE] |
ldr r3, [r9, #CPU_SS_BASE] |
| |
CPUWORK #7 |
| sub r1, r2, #2 |
sub r1, r2, #2 |
| mov r2, r1 lsl #16 |
mov r2, r1 lsl #16 |
| strh r1, [r9, #CPU_SP] |
strh r1, [r9, #CPU_SP] |
|
Line 1381 call_near CPUWORK #7
|
Line 1598 call_near CPUWORK #7
|
| add r8, r8, r0 lsl #16 |
add r8, r8, r0 lsl #16 |
| add r0, r3, r2 lsr #16 |
add r0, r3, r2 lsr #16 |
| mov lr, r11 |
mov lr, r11 |
| b i286_memorywrite_w |
b i286a_memorywrite_w |
| |
|
| jmp_near CPUWORK #7 |
jmp_near ldr r4, [r9, #CPU_CS_BASE] |
| GETPC16 |
add r5, r8, #(2 << 16) |
| add r8, r8, r0 lsl #16 |
CPUWORK #7 |
| |
add r0, r4, r8 lsr #16 |
| |
bl i286a_memoryread_w |
| |
add r8, r5, r0 lsl #16 |
| mov pc, r11 |
mov pc, r11 |
| |
|
| jmp_far CPUWORK #11 |
jmp_far CPUWORK #11 |
| ldr r4, [r9, #CPU_CS_BASE] |
ldr r4, [r9, #CPU_CS_BASE] |
| |
add r5, r8, #(2 << 16) |
| |
mov r6, r8 lsl #16 |
| add r0, r4, r8 lsr #16 |
add r0, r4, r8 lsr #16 |
| bl i286_memoryread_w |
bl i286a_memoryread_w |
| add r8, r8, #(2 << 16) |
mov r8, r0 lsl #16 |
| mov r1, r0, lsl #16 |
add r0, r4, r5 lsr #16 |
| add r0, r4, r8 lsr #16 |
bl i286a_memoryread_w |
| mov r8, r8, lsl #16 |
ldrb r1, [r9, #CPU_MSW] |
| orr r8, r0, r8 lsr #16 |
add r8, r8, r6 lsr #16 |
| bl i286_memoryread_w |
|
| mov r1, r0 lsl #4 |
|
| strh r0, [r9, #CPU_CS] |
strh r0, [r9, #CPU_CS] |
| str r1, [r9, #CPU_CS_BASE] |
tst r1, #MSW_PE |
| |
moveq r0, r0 lsl #4 |
| |
blne i286a_selector |
| |
str r0, [r9, #CPU_CS_BASE] |
| mov pc, r11 |
mov pc, r11 |
| |
|
| in_al_dx CPUWORK #5 |
in_al_dx CPUWORK #5 |
| ldrh r0, [r9, #CPU_DX] |
ldrh r0, [r9, #CPU_DX] |
| |
CPUSV |
| bl iocore_inp8 |
bl iocore_inp8 |
| |
CPULD |
| strb r0, [r9, #CPU_AL] |
strb r0, [r9, #CPU_AL] |
| mov pc, r11 |
mov pc, r11 |
| |
|
| in_ax_dx CPUWORK #5 |
in_ax_dx CPUWORK #5 |
| ldrh r0, [r9, #CPU_DX] |
ldrh r0, [r9, #CPU_DX] |
| |
CPUSV |
| bl iocore_inp16 |
bl iocore_inp16 |
| |
CPULD |
| strh r0, [r9, #CPU_AX] |
strh r0, [r9, #CPU_AX] |
| mov pc, r11 |
mov pc, r11 |
| |
|
|
Line 1451 stc CPUWORK #2
|
Line 1678 stc CPUWORK #2
|
| orr r8, r8, #C_FLAG |
orr r8, r8, #C_FLAG |
| mov pc, r11 |
mov pc, r11 |
| |
|
| cli CPUWORK #3 |
cli CPUWORK #2 |
| |
if 1 |
| |
bic r8, r8, #I_FLAG |
| |
else |
| mov r0, #0 |
mov r0, #0 |
| bic r8, r8, #I_FLAG |
bic r8, r8, #I_FLAG |
| strb r0, [r9, #CPU_TRAP] |
strb r0, [r9, #CPU_TRAP] |
| |
endif |
| mov pc, r11 |
mov pc, r11 |
| |
|
| |
sti CPUWORK #2 |
| |
tst r8, #I_FLAG |
| |
bne sti_noirq |
| |
sti_set orr r8, r8, #I_FLAG |
| |
if 1 |
| |
ldr r0, sti_pic |
| |
tst r8, #T_FLAG |
| |
bne sti_withirq |
| |
else |
| |
mov r1, #(T_FLAG >> 8) |
| |
ands r1, r1, r8 lsr #8 |
| |
ldr r0, sti_pic |
| |
strneb r1, [r9, #CPU_TRAP] |
| |
bne sti_withirq |
| |
endif |
| |
PICEXISTINTR |
| |
bne sti_withirq |
| |
sti_noirq NEXT_OPCODE |
| |
sti_pic dcd pic |
| |
sti_withirq REMAIN_ADJUST #1 |
| |
|
| cld CPUWORK #2 |
cld CPUWORK #2 |
| bic r8, r8, #D_FLAG |
bic r8, r8, #D_FLAG |
| mov pc, r11 |
mov pc, r11 |
|
Line 1466 std CPUWORK #2
|
Line 1718 std CPUWORK #2
|
| mov pc, r11 |
mov pc, r11 |
| |
|
| |
|
| |
; ---- cpu execute |
| |
|
| i286a_step stmdb sp!, {r4 - r11, lr} |
i286a_step stmdb sp!, {r4 - r11, lr} |
| ldr r9, ias_r9 |
ldr r9, ias_r9 |
| ldr r10, ias_r10 |
ldr r10, ias_r10 |
| ; ldr r7, [r9, #CPU_REMAINCLOCK] |
; |
| ldr r8, [r9, #CPU_FLAG] |
ldr r5, [r9, #CPU_CS_BASE] |
| |
CPULD |
| |
|
| ldr r0, [r9, #CPU_CS_BASE] |
adr r4, optbl1 |
| add r0, r0, r8 lsr #16 |
add r0, r5, r8 lsr #16 |
| bl i286_memoryread |
bl i286a_memoryread |
| |
ldr r1, [r4, r0 lsl #2] |
| add r8, r8, #(1 << 16) |
add r8, r8, #(1 << 16) |
| |
mov r11, pc |
| |
mov pc, r1 |
| |
|
| adr r1, optbl1 |
bl dmax86 |
| |
CPUSV |
| |
ldmia sp!, {r4 - r11, pc} |
| |
|
| |
|
| |
i286a stmdb sp!, {r4 - r11, lr} |
| |
ldr r9, ias_r9 |
| |
ldr r2, ias_r1 |
| |
ldr r10, ias_r10 |
| |
CPULD |
| |
ldr r5, [r9, #CPU_CS_BASE] |
| |
ldrb r1, [r2, #DMAC_WORKING] |
| |
and r0, r8, #(I_FLAG + T_FLAG) |
| |
cmp r0, #(I_FLAG + T_FLAG) |
| |
beq i286awithtrap |
| |
cmp r1, #0 |
| |
bne i286awithdma |
| |
i286a_lp adr r4, optbl1 |
| |
add r0, r5, r8 lsr #16 |
| |
GETR0 |
| |
ldr r1, [r4, r0 lsl #2] |
| |
add r8, r8, #(1 << 16) |
| mov r11, pc |
mov r11, pc |
| ldr pc, [r1, r0 lsl #2] |
mov pc, r1 |
| |
CPUDBGL |
| |
cmp r7, #0 |
| |
ldrgt r5, [r9, #CPU_CS_BASE] |
| |
bgt i286a_lp |
| |
CPUSV |
| |
ldmia sp!, {r4 - r11, pc} |
| |
|
| str r8, [r9, #CPU_FLAG] |
ias_r9 dcd i286acore + CPU_SIZE |
| |
ias_r1 dcd dmac |
| |
ias_r10 dcd iflags |
| |
|
| |
i286awithdma adr r4, optbl1 |
| |
add r0, r5, r8 lsr #16 |
| |
GETR0 |
| |
ldr r1, [r4, r0 lsl #2] |
| |
add r8, r8, #(1 << 16) |
| |
mov r11, pc |
| |
mov pc, r1 |
| |
bl dmax86 |
| |
CPUDBGL |
| |
cmp r7, #0 |
| |
ldrgt r5, [r9, #CPU_CS_BASE] |
| |
bgt i286awithdma |
| |
CPUSV |
| ldmia sp!, {r4 - r11, pc} |
ldmia sp!, {r4 - r11, pc} |
| |
|
| ias_r9 dcd i286core - CPU_REG |
i286awithtrap adr r4, optbl1 |
| ias_r10 dcd _szpcflag8 |
add r0, r5, r8 lsr #16 |
| |
GETR0 |
| |
ldr r1, [r4, r0 lsl #2] |
| |
add r8, r8, #(1 << 16) |
| |
mov r11, pc |
| |
mov pc, r1 |
| |
bl dmax86 |
| |
and r0, r8, #(I_FLAG + T_FLAG) |
| |
cmp r0, #(I_FLAG + T_FLAG) |
| |
bleq i286a_trapint |
| |
CPUSV |
| |
ldmia sp!, {r4 - r11, pc} |
| |
|
| optbl1 dcd add_ea_r8 ; 00 |
optbl1 dcd add_ea_r8 ; 00 |
| dcd add_ea_r16 |
dcd add_ea_r16 |
|
Line 1504 optbl1 dcd add_ea_r8 ; 00
|
Line 1814 optbl1 dcd add_ea_r8 ; 00
|
| dcd or_al_d8 |
dcd or_al_d8 |
| dcd or_ax_d16 |
dcd or_ax_d16 |
| dcd push_cs |
dcd push_cs |
| dcd 0 ; op_0f/pop_cs |
dcd i286a_cts |
| |
|
| dcd adc_ea_r8 ; 10 |
dcd adc_ea_r8 ; 10 |
| dcd adc_ea_r16 |
dcd adc_ea_r16 |
|
Line 1529 optbl1 dcd add_ea_r8 ; 00
|
Line 1839 optbl1 dcd add_ea_r8 ; 00
|
| dcd and_r16_ea |
dcd and_r16_ea |
| dcd and_al_d8 |
dcd and_al_d8 |
| dcd and_ax_d16 |
dcd and_ax_d16 |
| dcd 0 ; segprefix_es |
dcd segprefix_es |
| dcd 0 ; daa |
dcd daa |
| dcd sub_ea_r8 |
dcd sub_ea_r8 |
| dcd sub_ea_r16 |
dcd sub_ea_r16 |
| dcd sub_r8_ea |
dcd sub_r8_ea |
| dcd sub_r16_ea |
dcd sub_r16_ea |
| dcd sub_al_d8 |
dcd sub_al_d8 |
| dcd sub_ax_d16 |
dcd sub_ax_d16 |
| dcd 0 ; segprefix_cs |
dcd segprefix_cs |
| dcd 0 ; das |
dcd das |
| |
|
| dcd xor_ea_r8 ; 30 |
dcd xor_ea_r8 ; 30 |
| dcd xor_ea_r16 |
dcd xor_ea_r16 |
|
Line 1546 optbl1 dcd add_ea_r8 ; 00
|
Line 1856 optbl1 dcd add_ea_r8 ; 00
|
| dcd xor_r16_ea |
dcd xor_r16_ea |
| dcd xor_al_d8 |
dcd xor_al_d8 |
| dcd xor_ax_d16 |
dcd xor_ax_d16 |
| dcd 0 ; segprefix_ss |
dcd segprefix_ss |
| dcd 0 ; aaa |
dcd aaa |
| dcd cmp_ea_r8 |
dcd cmp_ea_r8 |
| dcd cmp_ea_r16 |
dcd cmp_ea_r16 |
| dcd cmp_r8_ea |
dcd cmp_r8_ea |
| dcd cmp_r16_ea |
dcd cmp_r16_ea |
| dcd cmp_al_d8 |
dcd cmp_al_d8 |
| dcd cmp_ax_d16 |
dcd cmp_ax_d16 |
| dcd 0 ; segprefix_ds |
dcd segprefix_ds |
| dcd 0 ; aas |
dcd aas |
| |
|
| dcd inc_ax ; 40 |
dcd inc_ax ; 40 |
| dcd inc_cx |
dcd inc_cx |
|
Line 1593 optbl1 dcd add_ea_r8 ; 00
|
Line 1903 optbl1 dcd add_ea_r8 ; 00
|
| |
|
| dcd pusha ; 60 |
dcd pusha ; 60 |
| dcd popa |
dcd popa |
| dcd 0 ; bound |
dcd bound |
| dcd 0 ; arpl(reserved) |
dcd reserved ; arpl(reserved) |
| dcd 0 ; reserved |
dcd reserved |
| dcd 0 ; reserved |
dcd reserved |
| dcd 0 ; reserved |
dcd reserved |
| dcd 0 ; reserved |
dcd reserved |
| dcd 0 ; push_d16 |
dcd push_d16 |
| dcd 0 ; imul_reg_ea_d16 |
dcd imul_r_ea_d16 |
| dcd 0 ; push_d8 |
dcd push_d8 |
| dcd 0 ; imul_reg_ea_d8 |
dcd imul_r_ea_d8 |
| dcd 0 ; insb |
dcd insb |
| dcd 0 ; insw |
dcd insw |
| dcd outsb |
dcd outsb |
| dcd outsw |
dcd outsw |
| |
|
|
Line 1620 optbl1 dcd add_ea_r8 ; 00
|
Line 1930 optbl1 dcd add_ea_r8 ; 00
|
| dcd jns_short |
dcd jns_short |
| dcd jp_short |
dcd jp_short |
| dcd jnp_short |
dcd jnp_short |
| dcd 0 ; jl_short |
dcd jl_short |
| dcd 0 ; jnl_short |
dcd jnl_short |
| dcd 0 ; jle_short |
dcd jle_short |
| dcd 0 ; jnle_short |
dcd jnle_short |
| |
|
| dcd i286aop80 ; 80 |
dcd i286aop80 ; 80 |
| dcd i286aop81 |
dcd i286aop81 |
|
Line 1637 optbl1 dcd add_ea_r8 ; 00
|
Line 1947 optbl1 dcd add_ea_r8 ; 00
|
| dcd mov_ea_r16 |
dcd mov_ea_r16 |
| dcd mov_r8_ea |
dcd mov_r8_ea |
| dcd mov_r16_ea |
dcd mov_r16_ea |
| dcd 0 ; mov_ea_seg |
dcd mov_ea_seg |
| dcd 0 ; lea_r16_ea |
dcd lea_r16_ea |
| dcd 0 ; mov_seg_ea |
dcd mov_seg_ea |
| dcd 0 ; pop_ea |
dcd pop_ea |
| |
|
| dcd 0 ; nop ; 90 |
dcd nopandbios ; 90 |
| dcd xchg_ax_cx |
dcd xchg_ax_cx |
| dcd xchg_ax_dx |
dcd xchg_ax_dx |
| dcd xchg_ax_bx |
dcd xchg_ax_bx |
|
Line 1652 optbl1 dcd add_ea_r8 ; 00
|
Line 1962 optbl1 dcd add_ea_r8 ; 00
|
| dcd xchg_ax_di |
dcd xchg_ax_di |
| dcd cbw |
dcd cbw |
| dcd cwd |
dcd cwd |
| dcd 0 ; call_far |
dcd call_far |
| dcd wait |
dcd wait |
| dcd 0 ; pushf |
dcd pushf |
| dcd 0 ; popf |
dcd popf |
| dcd sahf |
dcd sahf |
| dcd lahf |
dcd lahf |
| |
|
|
Line 1665 optbl1 dcd add_ea_r8 ; 00
|
Line 1975 optbl1 dcd add_ea_r8 ; 00
|
| dcd mov_m16_ax |
dcd mov_m16_ax |
| dcd movsb |
dcd movsb |
| dcd movsw |
dcd movsw |
| dcd 0 ; cmpsb |
dcd cmpsb |
| dcd 0 ; cmpsw |
dcd cmpsw |
| dcd test_al_d8 |
dcd test_al_d8 |
| dcd test_ax_d16 |
dcd test_ax_d16 |
| dcd stosb |
dcd stosb |
| dcd stosw |
dcd stosw |
| dcd lodsb |
dcd lodsb |
| dcd lodsw |
dcd lodsw |
| dcd 0 ; scasb |
dcd scasb |
| dcd 0 ; scasw |
dcd scasw |
| |
|
| |
dcd mov_al_imm ; b0 |
| |
dcd mov_cl_imm |
| |
dcd mov_dl_imm |
| |
dcd mov_bl_imm |
| |
dcd mov_ah_imm |
| |
dcd mov_ch_imm |
| |
dcd mov_dh_imm |
| |
dcd mov_bh_imm |
| |
dcd mov_ax_imm |
| |
dcd mov_cx_imm |
| |
dcd mov_dx_imm |
| |
dcd mov_bx_imm |
| |
dcd mov_sp_imm |
| |
dcd mov_bp_imm |
| |
dcd mov_si_imm |
| |
dcd mov_di_imm |
| |
|
| |
dcd i286asft8_d8 ; c0 |
| |
dcd i286asft16_d8 |
| |
dcd ret_near_d16 |
| |
dcd ret_near |
| |
dcd les_r16_ea |
| |
dcd lds_r16_ea |
| |
dcd mov_ea8_d8 |
| |
dcd mov_ea16_d16 |
| |
dcd enter |
| |
dcd leave |
| |
dcd ret_far_d16 |
| |
dcd ret_far |
| |
dcd int_03 |
| |
dcd int_d8 |
| |
dcd into |
| |
dcd iret |
| |
|
| |
dcd i286asft8_1 ; d0 |
| |
dcd i286asft16_1 |
| |
dcd i286asft8_cl |
| |
dcd i286asft16_cl |
| |
dcd aam |
| |
dcd aad |
| |
dcd setalc |
| |
dcd xlat |
| |
dcd esc |
| |
dcd esc |
| |
dcd esc |
| |
dcd esc |
| |
dcd esc |
| |
dcd esc |
| |
dcd esc |
| |
dcd esc |
| |
|
| |
dcd loopnz ; e0 |
| |
dcd loopz |
| |
dcd loop |
| |
dcd jcxz |
| |
dcd in_al_d8 |
| |
dcd in_ax_d8 |
| |
dcd out_d8_al |
| |
dcd out_d8_ax |
| |
dcd call_near |
| |
dcd jmp_near |
| |
dcd jmp_far |
| |
dcd jmp_short |
| |
dcd in_al_dx |
| |
dcd in_ax_dx |
| |
dcd out_dx_al |
| |
dcd out_dx_ax |
| |
|
| |
dcd lock ; f0 |
| |
dcd lock |
| |
dcd repne |
| |
dcd repe |
| |
dcd hlt |
| |
dcd cmc |
| |
dcd i286aopf6 |
| |
dcd i286aopf7 |
| |
dcd clc |
| |
dcd stc |
| |
dcd cli |
| |
dcd sti |
| |
dcd cld |
| |
dcd std |
| |
dcd i286aopfe |
| |
dcd i286aopff |
| |
|
| |
|
| |
MACRO |
| |
$label SEGPREFIX $b |
| |
$label ldr r1, [r9, $b] |
| |
ldrb r6, [r9, #CPU_PREFIX] |
| |
;; ldr r5, [r9, #CPU_CS_BASE] |
| |
add r0, r5, r8 lsr #16 |
| |
str r1, [r9, #CPU_SS_FIX] |
| |
str r1, [r9, #CPU_DS_FIX] |
| |
cmp r6, #0 |
| |
streq r11, [sp, #-4]! |
| |
adreq r11, prefix1_remove |
| |
add r6, r6, #1 |
| |
cmp r6, #MAX_PREFIX |
| |
bcs prefix_fault |
| |
GETR0 |
| |
ldr r1, [r4, r0 lsl #2] |
| |
add r8, r8, #(1 << 16) |
| |
strb r6, [r9, #CPU_PREFIX] |
| |
mov pc, r1 |
| |
MEND |
| |
|
| |
segprefix_es SEGPREFIX #CPU_ES_BASE |
| |
segprefix_cs SEGPREFIX #CPU_CS_BASE |
| |
segprefix_ss SEGPREFIX #CPU_SS_BASE |
| |
segprefix_ds SEGPREFIX #CPU_DS_BASE |
| |
|
| |
prefix_fault sub r8, r8, #((MAX_PREFIX - 1) << 16) |
| |
mov r6, #6 |
| |
mov r11, pc |
| |
b i286a_localint |
| |
prefix1_remove ldr r0, [r9, #CPU_SS_BASE] |
| |
ldr r1, [r9, #CPU_DS_BASE] |
| |
mov r2, #0 |
| |
str r0, [r9, #CPU_SS_FIX] |
| |
str r1, [r9, #CPU_DS_FIX] |
| |
strb r2, [r9, #CPU_PREFIX] |
| |
ldr pc, [sp], #4 |
| |
|
| |
|
| |
; ---- repne |
| |
|
| |
repne ldrb r6, [r9, #CPU_PREFIX] |
| |
adr r4, optblne |
| |
;; ldr r5, [r9, #CPU_CS_BASE] |
| |
add r0, r5, r8 lsr #16 |
| |
cmp r6, #0 |
| |
streq r11, [sp, #-4]! |
| |
adreq r11, prefix1_remove |
| |
add r6, r6, #1 |
| |
cmp r6, #MAX_PREFIX |
| |
bcs prefix_fault |
| |
GETR0 |
| |
ldr r1, [r4, r0 lsl #2] |
| |
add r8, r8, #(1 << 16) |
| |
strb r6, [r9, #CPU_PREFIX] |
| |
mov pc, r1 |
| |
|
| |
optblne dcd add_ea_r8 ; 00 |
| |
dcd add_ea_r16 |
| |
dcd add_r8_ea |
| |
dcd add_r16_ea |
| |
dcd add_al_d8 |
| |
dcd add_ax_d16 |
| |
dcd push_es |
| |
dcd pop_es |
| |
dcd or_ea_r8 |
| |
dcd or_ea_r16 |
| |
dcd or_r8_ea |
| |
dcd or_r16_ea |
| |
dcd or_al_d8 |
| |
dcd or_ax_d16 |
| |
dcd push_cs |
| |
dcd i286a_cts |
| |
|
| |
dcd adc_ea_r8 ; 10 |
| |
dcd adc_ea_r16 |
| |
dcd adc_r8_ea |
| |
dcd adc_r16_ea |
| |
dcd adc_al_d8 |
| |
dcd adc_ax_d16 |
| |
dcd push_ss |
| |
dcd pop_ss |
| |
dcd sbb_ea_r8 |
| |
dcd sbb_ea_r16 |
| |
dcd sbb_r8_ea |
| |
dcd sbb_r16_ea |
| |
dcd sbb_al_d8 |
| |
dcd sbb_ax_d16 |
| |
dcd push_ds |
| |
dcd pop_ds |
| |
|
| |
dcd and_ea_r8 ; 20 |
| |
dcd and_ea_r16 |
| |
dcd and_r8_ea |
| |
dcd and_r16_ea |
| |
dcd and_al_d8 |
| |
dcd and_ax_d16 |
| |
dcd segprefix_es |
| |
dcd daa |
| |
dcd sub_ea_r8 |
| |
dcd sub_ea_r16 |
| |
dcd sub_r8_ea |
| |
dcd sub_r16_ea |
| |
dcd sub_al_d8 |
| |
dcd sub_ax_d16 |
| |
dcd segprefix_cs |
| |
dcd das |
| |
|
| |
dcd xor_ea_r8 ; 30 |
| |
dcd xor_ea_r16 |
| |
dcd xor_r8_ea |
| |
dcd xor_r16_ea |
| |
dcd xor_al_d8 |
| |
dcd xor_ax_d16 |
| |
dcd segprefix_ss |
| |
dcd aaa |
| |
dcd cmp_ea_r8 |
| |
dcd cmp_ea_r16 |
| |
dcd cmp_r8_ea |
| |
dcd cmp_r16_ea |
| |
dcd cmp_al_d8 |
| |
dcd cmp_ax_d16 |
| |
dcd segprefix_ds |
| |
dcd aas |
| |
|
| |
dcd inc_ax ; 40 |
| |
dcd inc_cx |
| |
dcd inc_dx |
| |
dcd inc_bx |
| |
dcd inc_sp |
| |
dcd inc_bp |
| |
dcd inc_si |
| |
dcd inc_di |
| |
dcd dec_ax |
| |
dcd dec_cx |
| |
dcd dec_dx |
| |
dcd dec_bx |
| |
dcd dec_sp |
| |
dcd dec_bp |
| |
dcd dec_si |
| |
dcd dec_di |
| |
|
| |
dcd push_ax ; 50 |
| |
dcd push_cx |
| |
dcd push_dx |
| |
dcd push_bx |
| |
dcd push_sp |
| |
dcd push_bp |
| |
dcd push_si |
| |
dcd push_di |
| |
dcd pop_ax |
| |
dcd pop_cx |
| |
dcd pop_dx |
| |
dcd pop_bx |
| |
dcd pop_sp |
| |
dcd pop_bp |
| |
dcd pop_si |
| |
dcd pop_di |
| |
|
| |
dcd pusha ; 60 |
| |
dcd popa |
| |
dcd bound |
| |
dcd reserved ; arpl(reserved) |
| |
dcd reserved |
| |
dcd reserved |
| |
dcd reserved |
| |
dcd reserved |
| |
dcd push_d16 |
| |
dcd imul_r_ea_d16 |
| |
dcd push_d8 |
| |
dcd imul_r_ea_d8 |
| |
dcd i286a_rep_insb |
| |
dcd i286a_rep_insw |
| |
dcd i286a_rep_outsb |
| |
dcd i286a_rep_outsw |
| |
|
| |
dcd jo_short ; 70 |
| |
dcd jno_short |
| |
dcd jc_short |
| |
dcd jnc_short |
| |
dcd jz_short |
| |
dcd jnz_short |
| |
dcd jna_short |
| |
dcd ja_short |
| |
dcd js_short |
| |
dcd jns_short |
| |
dcd jp_short |
| |
dcd jnp_short |
| |
dcd jl_short |
| |
dcd jnl_short |
| |
dcd jle_short |
| |
dcd jnle_short |
| |
|
| |
dcd i286aop80 ; 80 |
| |
dcd i286aop81 |
| |
dcd i286aop80 |
| |
dcd i286aop83 |
| |
dcd test_ea_r8 |
| |
dcd test_ea_r16 |
| |
dcd xchg_ea_r8 |
| |
dcd xchg_ea_r16 |
| |
dcd mov_ea_r8 |
| |
dcd mov_ea_r16 |
| |
dcd mov_r8_ea |
| |
dcd mov_r16_ea |
| |
dcd mov_ea_seg |
| |
dcd lea_r16_ea |
| |
dcd mov_seg_ea |
| |
dcd pop_ea |
| |
|
| |
dcd nopandbios ; 90 |
| |
dcd xchg_ax_cx |
| |
dcd xchg_ax_dx |
| |
dcd xchg_ax_bx |
| |
dcd xchg_ax_sp |
| |
dcd xchg_ax_bp |
| |
dcd xchg_ax_si |
| |
dcd xchg_ax_di |
| |
dcd cbw |
| |
dcd cwd |
| |
dcd call_far |
| |
dcd wait |
| |
dcd pushf |
| |
dcd popf |
| |
dcd sahf |
| |
dcd lahf |
| |
|
| |
dcd mov_al_m8 ; a0 |
| |
dcd mov_ax_m16 |
| |
dcd mov_m8_al |
| |
dcd mov_m16_ax |
| |
dcd i286a_rep_movsb |
| |
dcd i286a_rep_movsw |
| |
dcd i286a_repne_cmpsb |
| |
dcd i286a_repne_cmpsw |
| |
dcd test_al_d8 |
| |
dcd test_ax_d16 |
| |
dcd i286a_rep_stosb |
| |
dcd i286a_rep_stosw |
| |
dcd i286a_rep_lodsb |
| |
dcd i286a_rep_lodsw |
| |
dcd i286a_repne_scasb |
| |
dcd i286a_repne_scasw |
| |
|
| |
dcd mov_al_imm ; b0 |
| |
dcd mov_cl_imm |
| |
dcd mov_dl_imm |
| |
dcd mov_bl_imm |
| |
dcd mov_ah_imm |
| |
dcd mov_ch_imm |
| |
dcd mov_dh_imm |
| |
dcd mov_bh_imm |
| |
dcd mov_ax_imm |
| |
dcd mov_cx_imm |
| |
dcd mov_dx_imm |
| |
dcd mov_bx_imm |
| |
dcd mov_sp_imm |
| |
dcd mov_bp_imm |
| |
dcd mov_si_imm |
| |
dcd mov_di_imm |
| |
|
| |
dcd i286asft8_d8 ; c0 |
| |
dcd i286asft16_d8 |
| |
dcd ret_near_d16 |
| |
dcd ret_near |
| |
dcd les_r16_ea |
| |
dcd lds_r16_ea |
| |
dcd mov_ea8_d8 |
| |
dcd mov_ea16_d16 |
| |
dcd enter |
| |
dcd leave |
| |
dcd ret_far_d16 |
| |
dcd ret_far |
| |
dcd int_03 |
| |
dcd int_d8 |
| |
dcd into |
| |
dcd iret |
| |
|
| |
dcd i286asft8_1 ; d0 |
| |
dcd i286asft16_1 |
| |
dcd i286asft8_cl |
| |
dcd i286asft16_cl |
| |
dcd aam |
| |
dcd aad |
| |
dcd setalc |
| |
dcd xlat |
| |
dcd esc |
| |
dcd esc |
| |
dcd esc |
| |
dcd esc |
| |
dcd esc |
| |
dcd esc |
| |
dcd esc |
| |
dcd esc |
| |
|
| |
dcd loopnz ; e0 |
| |
dcd loopz |
| |
dcd loop |
| |
dcd jcxz |
| |
dcd in_al_d8 |
| |
dcd in_ax_d8 |
| |
dcd out_d8_al |
| |
dcd out_d8_ax |
| |
dcd call_near |
| |
dcd jmp_near |
| |
dcd jmp_far |
| |
dcd jmp_short |
| |
dcd in_al_dx |
| |
dcd in_ax_dx |
| |
dcd out_dx_al |
| |
dcd out_dx_ax |
| |
|
| |
dcd lock ; f0 |
| |
dcd lock |
| |
dcd repne |
| |
dcd repe |
| |
dcd hlt |
| |
dcd cmc |
| |
dcd i286aopf6 |
| |
dcd i286aopf7 |
| |
dcd clc |
| |
dcd stc |
| |
dcd cli |
| |
dcd sti |
| |
dcd cld |
| |
dcd std |
| |
dcd i286aopfe |
| |
dcd i286aopff |
| |
|
| |
; ---- repe |
| |
|
| |
repe ldrb r6, [r9, #CPU_PREFIX] |
| |
adr r4, optble |
| |
;; ldr r5, [r9, #CPU_CS_BASE] |
| |
add r0, r5, r8 lsr #16 |
| |
cmp r6, #0 |
| |
streq r11, [sp, #-4]! |
| |
adreq r11, prefix2_remove |
| |
add r6, r6, #1 |
| |
cmp r6, #MAX_PREFIX |
| |
bcs prefix_fault |
| |
GETR0 |
| |
ldr r1, [r4, r0 lsl #2] |
| |
add r8, r8, #(1 << 16) |
| |
strb r6, [r9, #CPU_PREFIX] |
| |
mov pc, r1 |
| |
|
| |
prefix2_remove ldr r0, [r9, #CPU_SS_BASE] |
| |
ldr r1, [r9, #CPU_DS_BASE] |
| |
mov r2, #0 |
| |
str r0, [r9, #CPU_SS_FIX] |
| |
str r1, [r9, #CPU_DS_FIX] |
| |
strb r2, [r9, #CPU_PREFIX] |
| |
ldr pc, [sp], #4 |
| |
|
| |
optble dcd add_ea_r8 ; 00 |
| |
dcd add_ea_r16 |
| |
dcd add_r8_ea |
| |
dcd add_r16_ea |
| |
dcd add_al_d8 |
| |
dcd add_ax_d16 |
| |
dcd push_es |
| |
dcd pop_es |
| |
dcd or_ea_r8 |
| |
dcd or_ea_r16 |
| |
dcd or_r8_ea |
| |
dcd or_r16_ea |
| |
dcd or_al_d8 |
| |
dcd or_ax_d16 |
| |
dcd push_cs |
| |
dcd i286a_cts |
| |
|
| |
dcd adc_ea_r8 ; 10 |
| |
dcd adc_ea_r16 |
| |
dcd adc_r8_ea |
| |
dcd adc_r16_ea |
| |
dcd adc_al_d8 |
| |
dcd adc_ax_d16 |
| |
dcd push_ss |
| |
dcd pop_ss |
| |
dcd sbb_ea_r8 |
| |
dcd sbb_ea_r16 |
| |
dcd sbb_r8_ea |
| |
dcd sbb_r16_ea |
| |
dcd sbb_al_d8 |
| |
dcd sbb_ax_d16 |
| |
dcd push_ds |
| |
dcd pop_ds |
| |
|
| |
dcd and_ea_r8 ; 20 |
| |
dcd and_ea_r16 |
| |
dcd and_r8_ea |
| |
dcd and_r16_ea |
| |
dcd and_al_d8 |
| |
dcd and_ax_d16 |
| |
dcd segprefix_es |
| |
dcd daa |
| |
dcd sub_ea_r8 |
| |
dcd sub_ea_r16 |
| |
dcd sub_r8_ea |
| |
dcd sub_r16_ea |
| |
dcd sub_al_d8 |
| |
dcd sub_ax_d16 |
| |
dcd segprefix_cs |
| |
dcd das |
| |
|
| |
dcd xor_ea_r8 ; 30 |
| |
dcd xor_ea_r16 |
| |
dcd xor_r8_ea |
| |
dcd xor_r16_ea |
| |
dcd xor_al_d8 |
| |
dcd xor_ax_d16 |
| |
dcd segprefix_ss |
| |
dcd aaa |
| |
dcd cmp_ea_r8 |
| |
dcd cmp_ea_r16 |
| |
dcd cmp_r8_ea |
| |
dcd cmp_r16_ea |
| |
dcd cmp_al_d8 |
| |
dcd cmp_ax_d16 |
| |
dcd segprefix_ds |
| |
dcd aas |
| |
|
| |
dcd inc_ax ; 40 |
| |
dcd inc_cx |
| |
dcd inc_dx |
| |
dcd inc_bx |
| |
dcd inc_sp |
| |
dcd inc_bp |
| |
dcd inc_si |
| |
dcd inc_di |
| |
dcd dec_ax |
| |
dcd dec_cx |
| |
dcd dec_dx |
| |
dcd dec_bx |
| |
dcd dec_sp |
| |
dcd dec_bp |
| |
dcd dec_si |
| |
dcd dec_di |
| |
|
| |
dcd push_ax ; 50 |
| |
dcd push_cx |
| |
dcd push_dx |
| |
dcd push_bx |
| |
dcd push_sp |
| |
dcd push_bp |
| |
dcd push_si |
| |
dcd push_di |
| |
dcd pop_ax |
| |
dcd pop_cx |
| |
dcd pop_dx |
| |
dcd pop_bx |
| |
dcd pop_sp |
| |
dcd pop_bp |
| |
dcd pop_si |
| |
dcd pop_di |
| |
|
| |
dcd pusha ; 60 |
| |
dcd popa |
| |
dcd bound |
| |
dcd reserved ; arpl(reserved) |
| |
dcd reserved |
| |
dcd reserved |
| |
dcd reserved |
| |
dcd reserved |
| |
dcd push_d16 |
| |
dcd imul_r_ea_d16 |
| |
dcd push_d8 |
| |
dcd imul_r_ea_d8 |
| |
dcd i286a_rep_insb |
| |
dcd i286a_rep_insw |
| |
dcd i286a_rep_outsb |
| |
dcd i286a_rep_outsw |
| |
|
| |
dcd jo_short ; 70 |
| |
dcd jno_short |
| |
dcd jc_short |
| |
dcd jnc_short |
| |
dcd jz_short |
| |
dcd jnz_short |
| |
dcd jna_short |
| |
dcd ja_short |
| |
dcd js_short |
| |
dcd jns_short |
| |
dcd jp_short |
| |
dcd jnp_short |
| |
dcd jl_short |
| |
dcd jnl_short |
| |
dcd jle_short |
| |
dcd jnle_short |
| |
|
| |
dcd i286aop80 ; 80 |
| |
dcd i286aop81 |
| |
dcd i286aop80 |
| |
dcd i286aop83 |
| |
dcd test_ea_r8 |
| |
dcd test_ea_r16 |
| |
dcd xchg_ea_r8 |
| |
dcd xchg_ea_r16 |
| |
dcd mov_ea_r8 |
| |
dcd mov_ea_r16 |
| |
dcd mov_r8_ea |
| |
dcd mov_r16_ea |
| |
dcd mov_ea_seg |
| |
dcd lea_r16_ea |
| |
dcd mov_seg_ea |
| |
dcd pop_ea |
| |
|
| |
dcd nopandbios ; 90 |
| |
dcd xchg_ax_cx |
| |
dcd xchg_ax_dx |
| |
dcd xchg_ax_bx |
| |
dcd xchg_ax_sp |
| |
dcd xchg_ax_bp |
| |
dcd xchg_ax_si |
| |
dcd xchg_ax_di |
| |
dcd cbw |
| |
dcd cwd |
| |
dcd call_far |
| |
dcd wait |
| |
dcd pushf |
| |
dcd popf |
| |
dcd sahf |
| |
dcd lahf |
| |
|
| |
dcd mov_al_m8 ; a0 |
| |
dcd mov_ax_m16 |
| |
dcd mov_m8_al |
| |
dcd mov_m16_ax |
| |
dcd i286a_rep_movsb |
| |
dcd i286a_rep_movsw |
| |
dcd i286a_repe_cmpsb |
| |
dcd i286a_repe_cmpsw |
| |
dcd test_al_d8 |
| |
dcd test_ax_d16 |
| |
dcd i286a_rep_stosb |
| |
dcd i286a_rep_stosw |
| |
dcd i286a_rep_lodsb |
| |
dcd i286a_rep_lodsw |
| |
dcd i286a_repe_scasb |
| |
dcd i286a_repe_scasw |
| |
|
| dcd mov_al_imm ; b0 |
dcd mov_al_imm ; b0 |
| dcd mov_cl_imm |
dcd mov_cl_imm |
|
Line 1695 optbl1 dcd add_ea_r8 ; 00
|
Line 2633 optbl1 dcd add_ea_r8 ; 00
|
| |
|
| dcd i286asft8_d8 ; c0 |
dcd i286asft8_d8 ; c0 |
| dcd i286asft16_d8 |
dcd i286asft16_d8 |
| dcd 0 ; ret_near_d16 |
dcd ret_near_d16 |
| dcd 0 ; ret_near |
dcd ret_near |
| dcd 0 ; les_r16_ea |
dcd les_r16_ea |
| dcd 0 ; lds_r16_ea |
dcd lds_r16_ea |
| dcd 0 ; mov_ea8_d8 |
dcd mov_ea8_d8 |
| dcd 0 ; mov_ea16_d16 |
dcd mov_ea16_d16 |
| dcd 0 ; enter |
dcd enter |
| dcd 0 ; leave |
dcd leave |
| dcd 0 ; ret_far_d16 |
dcd ret_far_d16 |
| dcd 0 ; ret_far |
dcd ret_far |
| dcd int_03 |
dcd int_03 |
| dcd int_d8 |
dcd int_d8 |
| dcd into |
dcd into |
| dcd 0 ; iret |
dcd iret |
| |
|
| dcd i286asft8_1 ; d0 |
dcd i286asft8_1 ; d0 |
| dcd i286asft16_1 |
dcd i286asft16_1 |
| dcd i286asft8_cl |
dcd i286asft8_cl |
| dcd i286asft16_cl |
dcd i286asft16_cl |
| dcd 0 ; aam |
dcd aam |
| dcd 0 ; aad |
dcd aad |
| dcd 0 ; setalc |
dcd setalc |
| dcd 0 ; xlat |
dcd xlat |
| dcd esc |
dcd esc |
| dcd esc |
dcd esc |
| dcd esc |
dcd esc |
|
Line 1731 optbl1 dcd add_ea_r8 ; 00
|
Line 2669 optbl1 dcd add_ea_r8 ; 00
|
| dcd loopz |
dcd loopz |
| dcd loop |
dcd loop |
| dcd jcxz |
dcd jcxz |
| dcd 0 ; in_al_d8 |
dcd in_al_d8 |
| dcd 0 ; in_ax_d8 |
dcd in_ax_d8 |
| dcd out_d8_al |
dcd out_d8_al |
| dcd out_d8_ax |
dcd out_d8_ax |
| dcd 0 ; call_near |
dcd call_near |
| dcd 0 ; jmp_near |
dcd jmp_near |
| dcd 0 ; jmp_far |
dcd jmp_far |
| dcd jmp_short |
dcd jmp_short |
| dcd 0 ; in_al_dx |
dcd in_al_dx |
| dcd 0 ; in_ax_dx |
dcd in_ax_dx |
| dcd out_dx_al |
dcd out_dx_al |
| dcd out_dx_ax |
dcd out_dx_ax |
| |
|
| dcd lock ; f0 |
dcd lock ; f0 |
| dcd lock |
dcd lock |
| dcd 0 ; repne |
dcd repne |
| dcd 0 ; repe |
dcd repe |
| dcd hlt |
dcd hlt |
| dcd cmc |
dcd cmc |
| dcd 0 ; ope0xf6 |
dcd i286aopf6 |
| dcd 0 ; ope0xf7 |
dcd i286aopf7 |
| dcd clc |
dcd clc |
| dcd stc |
dcd stc |
| dcd cli |
dcd cli |
| dcd 0 ; sti |
dcd sti |
| dcd cld |
dcd cld |
| dcd std |
dcd std |
| dcd i286aopfe |
dcd i286aopfe |
| dcd 0 ; ope0xff |
dcd i286aopff |
| |
|
| END |
END |
| |
|
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