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

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

View File

@@ -1,13 +1,10 @@
/* Copyright holders: Sarah Walker
see COPYING for more details
*/
static int opBT_w_r_a16(uint32_t fetchdat)
{
int tempc;
uint16_t temp;
fetch_ea_16(fetchdat);
eaaddr += ((cpu_state.regs[cpu_reg].w / 16) * 2); eal_r = 0;
cpu_state.eaaddr += ((cpu_state.regs[cpu_reg].w / 16) * 2); eal_r = 0;
temp = geteaw(); if (abrt) return 1;
flags_rebuild();
if (temp & (1 << (cpu_state.regs[cpu_reg].w & 15))) flags |= C_FLAG;
@@ -21,7 +18,7 @@ static int opBT_w_r_a32(uint32_t fetchdat)
uint16_t temp;
fetch_ea_32(fetchdat);
eaaddr += ((cpu_state.regs[cpu_reg].w / 16) * 2); eal_r = 0;
cpu_state.eaaddr += ((cpu_state.regs[cpu_reg].w / 16) * 2); eal_r = 0;
temp = geteaw(); if (abrt) return 1;
flags_rebuild();
if (temp & (1 << (cpu_state.regs[cpu_reg].w & 15))) flags |= C_FLAG;
@@ -35,7 +32,7 @@ static int opBT_l_r_a16(uint32_t fetchdat)
uint32_t temp;
fetch_ea_16(fetchdat);
eaaddr += ((cpu_state.regs[cpu_reg].l / 32) * 4); eal_r = 0;
cpu_state.eaaddr += ((cpu_state.regs[cpu_reg].l / 32) * 4); eal_r = 0;
temp = geteal(); if (abrt) return 1;
flags_rebuild();
if (temp & (1 << (cpu_state.regs[cpu_reg].l & 31))) flags |= C_FLAG;
@@ -49,7 +46,7 @@ static int opBT_l_r_a32(uint32_t fetchdat)
uint32_t temp;
fetch_ea_32(fetchdat);
eaaddr += ((cpu_state.regs[cpu_reg].l / 32) * 4); eal_r = 0;
cpu_state.eaaddr += ((cpu_state.regs[cpu_reg].l / 32) * 4); eal_r = 0;
temp = geteal(); if (abrt) return 1;
flags_rebuild();
if (temp & (1 << (cpu_state.regs[cpu_reg].l & 31))) flags |= C_FLAG;
@@ -66,7 +63,7 @@ static int opBT_l_r_a32(uint32_t fetchdat)
uint16_t temp; \
\
fetch_ea_16(fetchdat); \
eaaddr += ((cpu_state.regs[cpu_reg].w / 16) * 2); eal_r = eal_w = 0; \
cpu_state.eaaddr += ((cpu_state.regs[cpu_reg].w / 16) * 2); eal_r = eal_w = 0; \
temp = geteaw(); if (abrt) return 1; \
tempc = (temp & (1 << (cpu_state.regs[cpu_reg].w & 15))) ? 1 : 0; \
temp operation (1 << (cpu_state.regs[cpu_reg].w & 15)); \
@@ -84,7 +81,7 @@ static int opBT_l_r_a32(uint32_t fetchdat)
uint16_t temp; \
\
fetch_ea_32(fetchdat); \
eaaddr += ((cpu_state.regs[cpu_reg].w / 16) * 2); eal_r = eal_w = 0; \
cpu_state.eaaddr += ((cpu_state.regs[cpu_reg].w / 16) * 2); eal_r = eal_w = 0; \
temp = geteaw(); if (abrt) return 1; \
tempc = (temp & (1 << (cpu_state.regs[cpu_reg].w & 15))) ? 1 : 0; \
temp operation (1 << (cpu_state.regs[cpu_reg].w & 15)); \
@@ -102,7 +99,7 @@ static int opBT_l_r_a32(uint32_t fetchdat)
uint32_t temp; \
\
fetch_ea_16(fetchdat); \
eaaddr += ((cpu_state.regs[cpu_reg].l / 32) * 4); eal_r = eal_w = 0; \
cpu_state.eaaddr += ((cpu_state.regs[cpu_reg].l / 32) * 4); eal_r = eal_w = 0; \
temp = geteal(); if (abrt) return 1; \
tempc = (temp & (1 << (cpu_state.regs[cpu_reg].l & 31))) ? 1 : 0; \
temp operation (1 << (cpu_state.regs[cpu_reg].l & 31)); \
@@ -120,7 +117,7 @@ static int opBT_l_r_a32(uint32_t fetchdat)
uint32_t temp; \
\
fetch_ea_32(fetchdat); \
eaaddr += ((cpu_state.regs[cpu_reg].l / 32) * 4); eal_r = eal_w = 0; \
cpu_state.eaaddr += ((cpu_state.regs[cpu_reg].l / 32) * 4); eal_r = eal_w = 0; \
temp = geteal(); if (abrt) return 1; \
tempc = (temp & (1 << (cpu_state.regs[cpu_reg].l & 31))) ? 1 : 0; \
temp operation (1 << (cpu_state.regs[cpu_reg].l & 31)); \
@@ -167,7 +164,7 @@ static int opBA_w_a16(uint32_t fetchdat)
default:
pclog("Bad 0F BA opcode %02X\n", rmdat & 0x38);
cpu_state.pc = oldpc;
cpu_state.pc = cpu_state.oldpc;
x86illegal();
break;
}
@@ -207,7 +204,7 @@ static int opBA_w_a32(uint32_t fetchdat)
default:
pclog("Bad 0F BA opcode %02X\n", rmdat & 0x38);
cpu_state.pc = oldpc;
cpu_state.pc = cpu_state.oldpc;
x86illegal();
break;
}
@@ -248,7 +245,7 @@ static int opBA_l_a16(uint32_t fetchdat)
default:
pclog("Bad 0F BA opcode %02X\n", rmdat & 0x38);
cpu_state.pc = oldpc;
cpu_state.pc = cpu_state.oldpc;
x86illegal();
break;
}
@@ -288,7 +285,7 @@ static int opBA_l_a32(uint32_t fetchdat)
default:
pclog("Bad 0F BA opcode %02X\n", rmdat & 0x38);
cpu_state.pc = oldpc;
cpu_state.pc = cpu_state.oldpc;
x86illegal();
break;
}