np2/i286a/i286a_8x.s - diff

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Diff for /np2/i286a/i286a_8x.s between versions 1.3 and 1.10

version 1.3, 2003/12/17 10:41:06	version 1.10, 2003/12/22 10:24:50
Line 1	Line 1

INCLUDE i286a.inc	INCLUDE i286a.inc
	INCLUDE i286aea.inc
INCLUDE i286aalu.inc	INCLUDE i286aalu.inc

IMPORT _szpcflag8
IMPORT i286a_ea	IMPORT i286a_ea
IMPORT i286_memoryread	IMPORT i286a_memoryread
IMPORT i286_memoryread_w	IMPORT i286a_memoryread_w
IMPORT i286_memorywrite	IMPORT i286a_memorywrite
IMPORT i286_memorywrite_w	IMPORT i286a_memorywrite_w

EXPORT i286aop80	EXPORT i286aop80
EXPORT i286aop81	EXPORT i286aop81
Line 15	Line 15

AREA .text, CODE, READONLY	AREA .text, CODE, READONLY

i286aop80 GETPC8	i286aop80 GETPCF8
and r6, r0, #(7 << 3)	and r6, r0, #(7 << 3)
cmp r0, #&c0	cmp r0, #&c0
bcc ope80m	bcc ope80m
CPUWORK #3	CPUWORK #3
R8SRC r0, r5	R8SRC r0, r4
add r5, r5, #CPU_REG	add r4, r4, #CPU_REG
GETPC8	GETPC8
adr r1, op8x_reg8	adr r1, op8x_reg8
	ldrb r5, [r4]
ldr pc, [r1, r6 lsr #1]	ldr pc, [r1, r6 lsr #1]
ope80m CPUWORK #7	ope80m CPUWORK #7
bl i286a_ea	bl i286a_ea
cmp r0, #I286_MEMWRITEMAX	cmp r0, #I286_MEMWRITEMAX
bcs ope80e	bcs ope80e
add r5, r9, r0	add r4, r9, r0
GETPC8	GETPC8
adr r1, op8x_reg8	adr r1, op8x_reg8
	ldrb r5, [r4]
ldr pc, [r1, r6 lsr #1]	ldr pc, [r1, r6 lsr #1]
ope80e mov r4, r0	ope80e mov r5, r0
	bl i286a_memoryread
	mov r4, r0
GETPC8	GETPC8
mov r5, r0
bl i286_memoryread
adr r1, op8x_ext8	adr r1, op8x_ext8
ldr pc, [r1, r6 lsr #1]	ldr pc, [r1, r6 lsr #1]

Line 58 op8x_ext8 dcd add_r8_e	Line 60 op8x_ext8 dcd add_r8_e
dcd xor_r8_e	dcd xor_r8_e
dcd cmp_r8_e	dcd cmp_r8_e

add_r8_i ldrb r6, [r5]	add_r8_i ADD8 r5, r0
ADD8 r6, r0	strb r1, [r4]
strb r1, [r5]
mov pc, r11	mov pc, r11
or_r8_i ldrb r6, [r5]	or_r8_i OR8 r5, r0
OR8 r6, r0	strb r1, [r4]
strb r1, [r5]
mov pc, r11	mov pc, r11
adc_r8_i ldrb r6, [r5]	adc_r8_i ADC8 r5, r0
ADC8 r6, r0	strb r1, [r4]
strb r1, [r5]
mov pc, r11	mov pc, r11
sbb_r8_i ldrb r6, [r5]	sbb_r8_i SBB8 r5, r0
SBB8 r6, r0	strb r1, [r4]
strb r1, [r5]
mov pc, r11	mov pc, r11
and_r8_i ldrb r6, [r5]	and_r8_i AND8 r5, r0
AND8 r6, r0	strb r1, [r4]
strb r1, [r5]
mov pc, r11	mov pc, r11
sub_r8_i ldrb r6, [r5]	sub_r8_i SUB8 r5, r0
SUB8 r6, r0	strb r1, [r4]
strb r1, [r5]
mov pc, r11	mov pc, r11
xor_r8_i ldrb r6, [r5]	xor_r8_i XOR8 r5, r0
XOR8 r6, r0	strb r1, [r4]
strb r1, [r5]
mov pc, r11	mov pc, r11
cmp_r8_i ldrb r6, [r5]	cmp_r8_i SUB8 r5, r0
SUB8 r6, r0
mov pc, r11	mov pc, r11

add_r8_e ADD8 r0, r4	add_r8_e ADD8 r4, r0
mov r0, r5	mov r0, r5
mov lr, r11	mov lr, r11
b i286_memorywrite	b i286a_memorywrite
or_r8_e OR8 r0, r4	or_r8_e OR8 r4, r0
mov r0, r5	mov r0, r5
mov lr, r11	mov lr, r11
b i286_memorywrite	b i286a_memorywrite
adc_r8_e ADC8 r0, r4	adc_r8_e ADC8 r4, r0
mov r0, r5	mov r0, r5
mov lr, r11	mov lr, r11
b i286_memorywrite	b i286a_memorywrite
sbb_r8_e SBB8 r0, r4	sbb_r8_e SBB8 r4, r0
mov r0, r5	mov r0, r5
mov lr, r11	mov lr, r11
b i286_memorywrite	b i286a_memorywrite
and_r8_e AND8 r0, r4	and_r8_e AND8 r4, r0
mov r0, r5	mov r0, r5
mov lr, r11	mov lr, r11
b i286_memorywrite	b i286a_memorywrite
sub_r8_e SUB8 r0, r4	sub_r8_e SUB8 r4, r0
mov r0, r5	mov r0, r5
mov lr, r11	mov lr, r11
b i286_memorywrite	b i286a_memorywrite
xor_r8_e XOR8 r0, r4	xor_r8_e XOR8 r4, r0
mov r0, r5	mov r0, r5
mov lr, r11	mov lr, r11
b i286_memorywrite	b i286a_memorywrite
cmp_r8_e SUB8 r0, r4	cmp_r8_e SUB8 r4, r0
mov pc, r11	mov pc, r11


; ----	; ----

i286aop81 GETPC8	i286aop81 GETPCF8
and r6, r0, #(7 << 3)	and r6, r0, #(7 << 3)
cmp r0, #&c0	cmp r0, #&c0
bcc ope81m	bcc ope81m
CPUWORK #3	CPUWORK #3
R16SRC r0, r5	R16SRC r0, r4
add r5, r5, #CPU_REG	add r4, r4, #CPU_REG
GETPC16	GETPC16
adr r1, op8x_reg16	adr r1, op8x_reg16
	ldrh r5, [r4]
ldr pc, [r1, r6 lsr #1]	ldr pc, [r1, r6 lsr #1]
ope81m CPUWORK #7	ope81m CPUWORK #7
bl i286a_ea	bl i286a_ea
tst r0, #1	WORDACC r0, ope81e
bne ope81e	add r4, r9, r0
cmp r0, #I286_MEMWRITEMAX
bcs ope81e
add r5, r9, r0
GETPC16	GETPC16
adr r1, op8x_reg16	adr r1, op8x_reg16
	ldrh r5, [r4]
ldr pc, [r1, r6 lsr #1]	ldr pc, [r1, r6 lsr #1]
ope81e mov r5, r0	ope81e mov r5, r0
bl i286_memoryread_w	bl i286a_memoryread_w
mov r4, r0	mov r4, r0
GETPC16	GETPC16
adr r1, op8x_ext16	adr r1, op8x_ext16
ldr pc, [r1, r6 lsr #1]	ldr pc, [r1, r6 lsr #1]

i286aop83 GETPC8	i286aop83 GETPCF8
and r6, r0, #(7 << 3)	and r6, r0, #(7 << 3)
cmp r0, #&c0	cmp r0, #&c0
bcc ope83m	bcc ope83m
CPUWORK #3	CPUWORK #3
R16SRC r0, r5	R16SRC r0, r4
add r5, r5, #CPU_REG	add r4, r4, #CPU_REG
GETPC8	GETPC8
tst r0, #(1 << 7)	tst r0, #(1 << 7)
orrne r0, r0, #(&ff << 8)	orrne r0, r0, #(&ff << 8)
adr r1, op8x_reg16	adr r1, op8x_reg16
	ldrh r5, [r4]
ldr pc, [r1, r6 lsr #1]	ldr pc, [r1, r6 lsr #1]
ope83m CPUWORK #7	ope83m CPUWORK #7
bl i286a_ea	bl i286a_ea
tst r0, #1	WORDACC r0, ope83e
bne ope83e	add r4, r9, r0
cmp r0, #I286_MEMWRITEMAX
bcs ope83e
add r5, r9, r0
GETPC8	GETPC8
tst r0, #(1 << 7)	tst r0, #(1 << 7)
orrne r0, r0, #(&ff << 8)	orrne r0, r0, #(&ff << 8)
adr r1, op8x_reg16	adr r1, op8x_reg16
	ldrh r5, [r4]
ldr pc, [r1, r6 lsr #1]	ldr pc, [r1, r6 lsr #1]
ope83e mov r5, r0	ope83e mov r5, r0
bl i286_memoryread_w	bl i286a_memoryread_w
mov r4, r0	mov r4, r0
GETPC8	GETPC8
tst r0, #(1 << 7)	tst r0, #(1 << 7)
Line 202 op8x_ext16 dcd add_r16_e	Line 194 op8x_ext16 dcd add_r16_e
dcd xor_r16_e	dcd xor_r16_e
dcd cmp_r16_e	dcd cmp_r16_e

add_r16_i ldrh r6, [r5]	add_r16_i ADD16 r5, r0
ADD16 r6, r0	strh r1, [r4]
strh r1, [r5]	mov pc, r11
mov pc, r11	or_r16_i OR16 r5, r0
or_r16_i ldrh r6, [r5]	strh r1, [r4]
OR16 r6, r0	mov pc, r11
strh r1, [r5]	adc_r16_i ADC16 r5, r0
mov pc, r11	strh r1, [r4]
adc_r16_i ldrh r6, [r5]	mov pc, r11
ADC16 r6, r0	sbb_r16_i SBB16 r5, r0
strh r1, [r5]	strh r1, [r4]
mov pc, r11	mov pc, r11
sbb_r16_i ldrh r6, [r5]	and_r16_i AND16 r5, r0
SBB16 r6, r0	strh r1, [r4]
strh r1, [r5]	mov pc, r11
mov pc, r11	sub_r16_i SUB16 r5, r0
and_r16_i ldrh r6, [r5]	strh r1, [r4]
AND16 r6, r0	mov pc, r11
strh r1, [r5]	xor_r16_i XOR16 r5, r0
mov pc, r11	strh r1, [r4]
sub_r16_i ldrh r6, [r5]
SUB16 r6, r0
strh r1, [r5]
mov pc, r11
xor_r16_i ldrh r6, [r5]
XOR16 r6, r0
strh r1, [r5]
mov pc, r11	mov pc, r11
cmp_r16_i ldrh r6, [r5]	cmp_r16_i SUB16 r5, r0
SUB16 r6, r0
mov pc, r11	mov pc, r11

add_r16_e ADD16 r4, r0	add_r16_e ADD16 r4, r0
mov r0, r5	mov r0, r5
mov lr, r11	mov lr, r11
b i286_memorywrite_w	b i286a_memorywrite_w
or_r16_e OR16 r4, r0	or_r16_e OR16 r4, r0
mov r0, r5	mov r0, r5
mov lr, r11	mov lr, r11
b i286_memorywrite_w	b i286a_memorywrite_w
adc_r16_e ADC16 r4, r0	adc_r16_e ADC16 r4, r0
mov r0, r5	mov r0, r5
mov lr, r11	mov lr, r11
b i286_memorywrite_w	b i286a_memorywrite_w
sbb_r16_e SBB16 r4, r0	sbb_r16_e SBB16 r4, r0
mov r0, r5	mov r0, r5
mov lr, r11	mov lr, r11
b i286_memorywrite_w	b i286a_memorywrite_w
and_r16_e AND16 r4, r0	and_r16_e AND16 r4, r0
mov r0, r5	mov r0, r5
mov lr, r11	mov lr, r11
b i286_memorywrite_w	b i286a_memorywrite_w
sub_r16_e SUB16 r4, r0	sub_r16_e SUB16 r4, r0
mov r0, r5	mov r0, r5
mov lr, r11	mov lr, r11
b i286_memorywrite_w	b i286a_memorywrite_w
xor_r16_e XOR16 r4, r0	xor_r16_e XOR16 r4, r0
mov r0, r5	mov r0, r5
mov lr, r11	mov lr, r11
b i286_memorywrite_w	b i286a_memorywrite_w
cmp_r16_e SUB16 r4, r0	cmp_r16_e SUB16 r4, r0
mov pc, r11	mov pc, r11

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