claunia/86Box
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

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

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

19
src/x86_ops_misc.h
View File

@@ -1,6 +1,3 @@
/* Copyright holders: Sarah Walker, Tenshi
see COPYING for more details
*/
static int opCBW(uint32_t fetchdat)
{
AH = (AL & 0x80) ? 0xff : 0;
@@ -551,7 +548,7 @@ static int opLOCK(uint32_t fetchdat)
cpu_state.pc++;
CLOCK_CYCLES(4);
return x86_opcodes[(fetchdat & 0xff) | op32](fetchdat >> 8);
return x86_opcodes[(fetchdat & 0xff) | cpu_state.op32](fetchdat >> 8);
}
@@ -563,7 +560,7 @@ static int opBOUND_w_a16(uint32_t fetchdat)
fetch_ea_16(fetchdat);
ILLEGAL_ON(cpu_mod == 3);
low = geteaw();
high = readmemw(easeg, eaaddr + 2); if (abrt) return 1;
high = readmemw(easeg, cpu_state.eaaddr + 2); if (abrt) return 1;
if (((int16_t)cpu_state.regs[cpu_reg].w < low) || ((int16_t)cpu_state.regs[cpu_reg].w > high))
{
@@ -581,7 +578,7 @@ static int opBOUND_w_a32(uint32_t fetchdat)
fetch_ea_32(fetchdat);
ILLEGAL_ON(cpu_mod == 3);
low = geteaw();
high = readmemw(easeg, eaaddr + 2); if (abrt) return 1;
high = readmemw(easeg, cpu_state.eaaddr + 2); if (abrt) return 1;
if (((int16_t)cpu_state.regs[cpu_reg].w < low) || ((int16_t)cpu_state.regs[cpu_reg].w > high))
{
@@ -600,7 +597,7 @@ static int opBOUND_l_a16(uint32_t fetchdat)
fetch_ea_16(fetchdat);
ILLEGAL_ON(cpu_mod == 3);
low = geteal();
high = readmeml(easeg, eaaddr + 4); if (abrt) return 1;
high = readmeml(easeg, cpu_state.eaaddr + 4); if (abrt) return 1;
if (((int32_t)cpu_state.regs[cpu_reg].l < low) || ((int32_t)cpu_state.regs[cpu_reg].l > high))
{
@@ -618,7 +615,7 @@ static int opBOUND_l_a32(uint32_t fetchdat)
fetch_ea_32(fetchdat);
ILLEGAL_ON(cpu_mod == 3);
low = geteal();
high = readmeml(easeg, eaaddr + 4); if (abrt) return 1;
high = readmeml(easeg, cpu_state.eaaddr + 4); if (abrt) return 1;
if (((int32_t)cpu_state.regs[cpu_reg].l < low) || ((int32_t)cpu_state.regs[cpu_reg].l > high))
{
@@ -775,7 +772,7 @@ static int opCPUID(uint32_t fetchdat)
CLOCK_CYCLES(9);
return 0;
}
cpu_state.pc = oldpc;
cpu_state.pc = cpu_state.oldpc;
x86illegal();
return 1;
}
@@ -788,7 +785,7 @@ static int opRDMSR(uint32_t fetchdat)
CLOCK_CYCLES(9);
return 0;
}
cpu_state.pc = oldpc;
cpu_state.pc = cpu_state.oldpc;
x86illegal();
return 1;
}
@@ -801,7 +798,7 @@ static int opWRMSR(uint32_t fetchdat)
CLOCK_CYCLES(9);
return 0;
}
cpu_state.pc = oldpc;
cpu_state.pc = cpu_state.oldpc;
x86illegal();
return 1;
}