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| version 1.7, 2003/11/24 09:14:01 | version 1.15, 2003/12/25 19:58:24 |
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| Line 1 | Line 1 |
| #include "compiler.h" | #include "compiler.h" |
| #include "i286.h" | #include "cpucore.h" |
| #include "i286c.h" | #include "i286c.h" |
| #include "memory.h" | |
| #include "i286c.mcr" | #include "i286c.mcr" |
| I286_0F _sgdt(UINT op) { | I286_0F _sgdt(UINT op) { |
| UINT32 seg; | UINT32 seg; |
| UINT16 ad; | UINT ad; |
| I286_WORKCLOCK(11); | I286_WORKCLOCK(11); |
| if (op < 0xc0) { | if (op < 0xc0) { |
| ad = GET_EA(op, &seg); | ad = GET_EA(op, &seg); |
| i286_memorywrite_w(seg + ad, i286reg.GDTR.limit); | i286_memorywrite_w(seg + ad, I286_GDTR.limit); |
| ad += 2; | i286_memorywrite_w(seg + LOW16(ad + 2), I286_GDTR.base); |
| i286_memorywrite_w(seg + ad, i286reg.GDTR.base); | i286_memorywrite_w(seg + LOW16(ad + 4), |
| ad += 2; | (REG16)(0xff00 + I286_GDTR.base24)); |
| i286_memorywrite_w(seg + ad, | |
| (UINT16)(0xff00 + i286reg.GDTR.base24)); | |
| } | } |
| else { | else { |
| INT_NUM(6, I286_IP - 2); | INT_NUM(6, I286_IP - 2); |
| Line 28 I286_0F _sgdt(UINT op) { | Line 25 I286_0F _sgdt(UINT op) { |
| I286_0F _sidt(UINT op) { | I286_0F _sidt(UINT op) { |
| UINT32 seg; | UINT32 seg; |
| UINT16 ad; | UINT ad; |
| I286_WORKCLOCK(12); | I286_WORKCLOCK(12); |
| if (op < 0xc0) { | if (op < 0xc0) { |
| ad = GET_EA(op, &seg); | ad = GET_EA(op, &seg); |
| i286_memorywrite_w(seg + ad, i286reg.IDTR.limit); | i286_memorywrite_w(seg + ad, I286_IDTR.limit); |
| ad += 2; | i286_memorywrite_w(seg + LOW16(ad + 2), I286_IDTR.base); |
| i286_memorywrite_w(seg + ad, i286reg.IDTR.base); | i286_memorywrite_w(seg + LOW16(ad + 4), |
| ad += 2; | (REG16)(0xff00 + I286_IDTR.base24)); |
| i286_memorywrite_w(seg + ad, | |
| (UINT16)(0xff00 + i286reg.IDTR.base24)); | |
| } | } |
| else { | else { |
| INT_NUM(6, I286_IP - 2); | INT_NUM(6, I286_IP - 2); |
| Line 48 I286_0F _sidt(UINT op) { | Line 43 I286_0F _sidt(UINT op) { |
| I286_0F _lgdt(UINT op) { | I286_0F _lgdt(UINT op) { |
| UINT32 seg; | UINT32 seg; |
| UINT16 ad; | UINT ad; |
| I286_WORKCLOCK(11); | I286_WORKCLOCK(11); |
| if (op < 0xc0) { | if (op < 0xc0) { |
| ad = GET_EA(op, &seg); | ad = GET_EA(op, &seg); |
| i286reg.GDTR.limit = i286_memoryread_w(seg + ad); | I286_GDTR.limit = i286_memoryread_w(seg + ad); |
| ad += 2; | I286_GDTR.base = i286_memoryread_w(seg + LOW16(ad + 2)); |
| i286reg.GDTR.base = i286_memoryread_w(seg + ad); | I286_GDTR.base24 = i286_memoryread(seg + LOW16(ad + 4)); |
| ad += 2; | // I286_GDTR.reserved = i286_memoryread(seg + LOW16(ad + 5)); |
| i286reg.GDTR.base24 = i286_memoryread(seg + ad); | |
| ad++; | |
| i286reg.GDTR.reserved = i286_memoryread(seg + ad); | |
| } | } |
| else { | else { |
| INT_NUM(6, I286_IP - 2); | INT_NUM(6, I286_IP - 2); |
| Line 69 I286_0F _lgdt(UINT op) { | Line 61 I286_0F _lgdt(UINT op) { |
| I286_0F _lidt(UINT op) { | I286_0F _lidt(UINT op) { |
| UINT32 seg; | UINT32 seg; |
| UINT16 ad; | UINT ad; |
| I286_WORKCLOCK(11); | I286_WORKCLOCK(11); |
| if (op < 0xc0) { | if (op < 0xc0) { |
| ad = GET_EA(op, &seg); | ad = GET_EA(op, &seg); |
| i286reg.IDTR.limit = i286_memoryread_w(seg + ad); | I286_IDTR.limit = i286_memoryread_w(seg + ad); |
| ad += 2; | I286_IDTR.base = i286_memoryread_w(seg + LOW16(ad + 2)); |
| i286reg.IDTR.base = i286_memoryread_w(seg + ad); | I286_IDTR.base24 = i286_memoryread(seg + LOW16(ad + 4)); |
| ad += 2; | // I286_IDTR.reserved = i286_memoryread(seg + LOW16(ad + 5)); |
| i286reg.IDTR.base24 = i286_memoryread(seg + ad); | |
| ad++; | |
| i286reg.IDTR.reserved = i286_memoryread(seg + ad); | |
| } | } |
| else { | else { |
| INT_NUM(6, I286_IP - 2); | INT_NUM(6, I286_IP - 2); |
| Line 91 I286_0F _smsw(UINT op) { | Line 80 I286_0F _smsw(UINT op) { |
| if (op >= 0xc0) { | if (op >= 0xc0) { |
| I286_WORKCLOCK(3); | I286_WORKCLOCK(3); |
| *(REG16_B20(op)) = i286reg.MSW; | *(REG16_B20(op)) = I286_MSW; |
| } | } |
| else { | else { |
| I286_WORKCLOCK(6); | I286_WORKCLOCK(6); |
| i286_memorywrite_w(CALC_EA(op), i286reg.MSW); | i286_memorywrite_w(CALC_EA(op), I286_MSW); |
| } | } |
| } | } |
| I286_0F _lmsw(UINT op) { | I286_0F _lmsw(UINT op) { |
| REG16 msw; | |
| if (op >= 0xc0) { | if (op >= 0xc0) { |
| I286_WORKCLOCK(2); | I286_WORKCLOCK(2); |
| i286reg.MSW = *(REG16_B20(op)); | msw = *(REG16_B20(op)); |
| } | } |
| else { | else { |
| I286_WORKCLOCK(3); | I286_WORKCLOCK(3); |
| i286reg.MSW = i286_memoryread_w(CALC_EA(op)); | msw = i286_memoryread_w(CALC_EA(op)); |
| } | } |
| I286_MSW = msw | (I286_MSW & 1); | |
| } | } |
| static const I286OP_0F cts1_table[] = { | static const I286OP_0F cts1_table[] = { |
| Line 123 I286_0F _loadall286(void) { | Line 115 I286_0F _loadall286(void) { |
| UINT16 tmp; | UINT16 tmp; |
| I286_WORKCLOCK(195); | I286_WORKCLOCK(195); |
| i286reg.MSW = LOADINTELWORD(mem + 0x804); | I286_MSW = LOADINTELWORD(mem + 0x804); |
| tmp = LOADINTELWORD(mem + 0x818); | tmp = LOADINTELWORD(mem + 0x818); |
| I286_OV = tmp & O_FLAG; | I286_OV = tmp & O_FLAG; |
| I286_FLAG = tmp & (0xfff ^ O_FLAG); | I286_FLAG = tmp & (0xfff ^ O_FLAG); |
| Line 167 I286EXT i286c_cts(void) { | Line 159 I286EXT i286c_cts(void) { |
| _loadall286(); | _loadall286(); |
| } | } |
| else { | else { |
| I286_WORKCLOCK(20); | |
| INT_NUM(6, ip - 1); | INT_NUM(6, ip - 1); |
| } | } |
| } | } |