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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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23
src/x86_ops_stack.h
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@@ -1,6 +1,3 @@
/* Copyright holders: Sarah Walker
see COPYING for more details
*/
#define PUSH_W_OP(reg) \
static int opPUSH_ ## reg (uint32_t fetchdat) \
{ \
@@ -447,14 +444,14 @@ static int opPOP_SS_w(uint32_t fetchdat)
loadseg(temp_seg, &_ss); if (abrt) { ESP = temp_esp; return 1; }
CLOCK_CYCLES(is486 ? 3 : 7);
oldpc = cpu_state.pc;
op32 = use32;
ssegs = 0;
ea_seg = &_ds;
cpu_state.oldpc = cpu_state.pc;
cpu_state.op32 = use32;
cpu_state.ssegs = 0;
cpu_state.ea_seg = &_ds;
fetchdat = fastreadl(cs + cpu_state.pc);
cpu_state.pc++;
if (abrt) return 1;
x86_opcodes[(fetchdat & 0xff) | op32](fetchdat >> 8);
x86_opcodes[(fetchdat & 0xff) | cpu_state.op32](fetchdat >> 8);
return 1;
}
@@ -466,14 +463,14 @@ static int opPOP_SS_l(uint32_t fetchdat)
loadseg(temp_seg & 0xffff, &_ss); if (abrt) { ESP = temp_esp; return 1; }
CLOCK_CYCLES(is486 ? 3 : 7);
oldpc = cpu_state.pc;
op32 = use32;
ssegs = 0;
ea_seg = &_ds;
cpu_state.oldpc = cpu_state.pc;
cpu_state.op32 = use32;
cpu_state.ssegs = 0;
cpu_state.ea_seg = &_ds;
fetchdat = fastreadl(cs + cpu_state.pc);
cpu_state.pc++;
if (abrt) return 1;
x86_opcodes[(fetchdat & 0xff) | op32](fetchdat >> 8);
x86_opcodes[(fetchdat & 0xff) | cpu_state.op32](fetchdat >> 8);
return 1;
}