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Rewrote the disc sector poller again for simplified code and more accuracy;

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Floppy formats are now accurately timed and also more accurately implemented;
Applied all mainline PCem commits.
This commit is contained in:
OBattler
2016-08-20 03:40:12 +02:00
parent 24a6ab13fb
commit a924f37f43
51 changed files with 2471 additions and 1302 deletions
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17
src/codegen_ops_x86.h
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@@ -1,6 +1,3 @@
/* Copyright holders: Sarah Walker
see COPYING for more details
*/
/*Register allocation :
EBX, ECX, EDX - emulated registers
EAX - work register, EA storage
@@ -1324,7 +1321,7 @@ static x86seg *FETCH_EA_32(x86seg *op_ea_seg, uint32_t fetchdat, int op_ssegs, u
addbyte(0x8b); /*MOVL EAX, regs[rm].l*/
addbyte(0x45);
addbyte((uint32_t)&cpu_state.regs[rm].l - (uint32_t)&EAX);
eaaddr = cpu_state.regs[rm].l;
cpu_state.eaaddr = cpu_state.regs[rm].l;
if (mod)
{
if (rm == 5 && !op_ssegs)
@@ -1822,10 +1819,10 @@ static void FP_ENTER()
addlong((uintptr_t)&cr0);
addbyte(0xc);
addbyte(0x74); /*JZ +*/
addbyte(10+7+5+5);
addbyte(7+7+5+5);
addbyte(0xC7); /*MOVL [oldpc],op_old_pc*/
addbyte(0x05);
addlong((uintptr_t)&oldpc);
addbyte(0x45);
addbyte((uintptr_t)&cpu_state.oldpc - (uintptr_t)&cpu_state);
addlong(op_old_pc);
addbyte(0xc7); /*MOV [ESP], 7*/
addbyte(0x04);
@@ -3066,10 +3063,10 @@ static void MMX_ENTER()
addlong((uintptr_t)&cr0);
addbyte(0xc);
addbyte(0x74); /*JZ +*/
addbyte(10+7+5+5);
addbyte(7+7+5+5);
addbyte(0xC7); /*MOVL [oldpc],op_old_pc*/
addbyte(0x05);
addlong((uintptr_t)&oldpc);
addbyte(0x45);
addbyte((uintptr_t)&cpu_state.oldpc - (uintptr_t)&cpu_state);
addlong(op_old_pc);
addbyte(0xc7); /*MOV [ESP], 7*/
addbyte(0x04);