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

15
src/codegen_ops_misc.h
View File

@@ -1,6 +1,3 @@
/* Copyright holders: Sarah Walker
see COPYING for more details
*/
static uint32_t ropNOP(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc, codeblock_t *block)
{
return op_pc;
@@ -32,7 +29,7 @@ static uint32_t ropFF_16(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint
else
{
x86seg *target_seg = FETCH_EA(op_ea_seg, fetchdat, op_ssegs, &op_pc, op_32);
STORE_IMM_ADDR_L((uintptr_t)&oldpc, op_old_pc);
STORE_IMM_ADDR_L((uintptr_t)&cpu_state.oldpc, op_old_pc);
MEM_LOAD_ADDR_EA_W(target_seg);
host_reg = 0;
}
@@ -43,7 +40,7 @@ static uint32_t ropFF_16(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint
STORE_HOST_REG_ADDR_W((uintptr_t)&codegen_temp, host_reg);
RELEASE_REG(host_reg);
STORE_IMM_ADDR_L((uintptr_t)&oldpc, op_old_pc);
STORE_IMM_ADDR_L((uintptr_t)&cpu_state.oldpc, op_old_pc);
LOAD_STACK_TO_EA(-2);
host_reg = LOAD_REG_IMM(op_pc + 1);
MEM_STORE_ADDR_EA_W(&_ss, host_reg);
@@ -60,7 +57,7 @@ static uint32_t ropFF_16(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint
case 0x30: /*PUSH*/
if (!host_reg)
host_reg = LOAD_HOST_REG(host_reg);
STORE_IMM_ADDR_L((uintptr_t)&oldpc, op_old_pc);
STORE_IMM_ADDR_L((uintptr_t)&cpu_state.oldpc, op_old_pc);
LOAD_STACK_TO_EA(-2);
MEM_STORE_ADDR_EA_W(&_ss, host_reg);
SP_MODIFY(-2);
@@ -81,7 +78,7 @@ static uint32_t ropFF_32(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint
else
{
x86seg *target_seg = FETCH_EA(op_ea_seg, fetchdat, op_ssegs, &op_pc, op_32);
STORE_IMM_ADDR_L((uintptr_t)&oldpc, op_old_pc);
STORE_IMM_ADDR_L((uintptr_t)&cpu_state.oldpc, op_old_pc);
MEM_LOAD_ADDR_EA_L(target_seg);
host_reg = 0;
}
@@ -92,7 +89,7 @@ static uint32_t ropFF_32(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint
STORE_HOST_REG_ADDR((uintptr_t)&codegen_temp, host_reg);
RELEASE_REG(host_reg);
STORE_IMM_ADDR_L((uintptr_t)&oldpc, op_old_pc);
STORE_IMM_ADDR_L((uintptr_t)&cpu_state.oldpc, op_old_pc);
LOAD_STACK_TO_EA(-4);
host_reg = LOAD_REG_IMM(op_pc + 1);
MEM_STORE_ADDR_EA_L(&_ss, host_reg);
@@ -109,7 +106,7 @@ static uint32_t ropFF_32(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint
case 0x30: /*PUSH*/
if (!host_reg)
host_reg = LOAD_HOST_REG(host_reg);
STORE_IMM_ADDR_L((uintptr_t)&oldpc, op_old_pc);
STORE_IMM_ADDR_L((uintptr_t)&cpu_state.oldpc, op_old_pc);
LOAD_STACK_TO_EA(-4);
MEM_STORE_ADDR_EA_L(&_ss, host_reg);
SP_MODIFY(-4);