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

39
src/codegen_ops_stack.h
View File

@@ -1,11 +1,8 @@
/* Copyright holders: Sarah Walker
see COPYING for more details
*/
static uint32_t ropPUSH_16(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc, codeblock_t *block)
{
int 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_W(opcode & 7);
MEM_STORE_ADDR_EA_W(&_ss, host_reg);
@@ -17,7 +14,7 @@ static uint32_t ropPUSH_32(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, ui
{
int 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_L(opcode & 7);
MEM_STORE_ADDR_EA_L(&_ss, host_reg);
@@ -31,7 +28,7 @@ static uint32_t ropPUSH_imm_16(uint8_t opcode, uint32_t fetchdat, uint32_t op_32
uint16_t imm = fetchdat & 0xffff;
int 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(imm);
MEM_STORE_ADDR_EA_W(&_ss, host_reg);
@@ -44,7 +41,7 @@ static uint32_t ropPUSH_imm_32(uint8_t opcode, uint32_t fetchdat, uint32_t op_32
uint32_t imm = fastreadl(cs + op_pc);
int 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(imm);
MEM_STORE_ADDR_EA_L(&_ss, host_reg);
@@ -61,7 +58,7 @@ static uint32_t ropPUSH_imm_b16(uint8_t opcode, uint32_t fetchdat, uint32_t op_3
if (imm & 0x80)
imm |= 0xff00;
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(imm);
MEM_STORE_ADDR_EA_W(&_ss, host_reg);
@@ -77,7 +74,7 @@ static uint32_t ropPUSH_imm_b32(uint8_t opcode, uint32_t fetchdat, uint32_t op_3
if (imm & 0x80)
imm |= 0xffffff00;
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(imm);
MEM_STORE_ADDR_EA_L(&_ss, host_reg);
@@ -90,7 +87,7 @@ static uint32_t ropPOP_16(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uin
{
int 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(0);
MEM_LOAD_ADDR_EA_W(&_ss);
SP_MODIFY(2);
@@ -102,7 +99,7 @@ static uint32_t ropPOP_32(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uin
{
int 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(0);
MEM_LOAD_ADDR_EA_L(&_ss);
SP_MODIFY(4);
@@ -115,7 +112,7 @@ static uint32_t ropRET_16(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uin
{
int 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(0);
MEM_LOAD_ADDR_EA_W(&_ss);
STORE_HOST_REG_ADDR((uintptr_t)&cpu_state.pc, 0);
@@ -127,7 +124,7 @@ static uint32_t ropRET_32(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uin
{
int 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(0);
MEM_LOAD_ADDR_EA_L(&_ss);
STORE_HOST_REG_ADDR((uintptr_t)&cpu_state.pc, 0);
@@ -141,7 +138,7 @@ static uint32_t ropRET_imm_16(uint8_t opcode, uint32_t fetchdat, uint32_t op_32,
uint16_t offset = fetchdat & 0xffff;
int 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(0);
MEM_LOAD_ADDR_EA_W(&_ss);
STORE_HOST_REG_ADDR((uintptr_t)&cpu_state.pc, 0);
@@ -154,7 +151,7 @@ static uint32_t ropRET_imm_32(uint8_t opcode, uint32_t fetchdat, uint32_t op_32,
uint16_t offset = fetchdat & 0xffff;
int 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(0);
MEM_LOAD_ADDR_EA_L(&_ss);
STORE_HOST_REG_ADDR((uintptr_t)&cpu_state.pc, 0);
@@ -168,7 +165,7 @@ static uint32_t ropCALL_r16(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, u
uint16_t offset = fetchdat & 0xffff;
int 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+2);
MEM_STORE_ADDR_EA_W(&_ss, host_reg);
@@ -182,7 +179,7 @@ static uint32_t ropCALL_r32(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, u
uint32_t offset = fastreadl(cs + op_pc);
int 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+4);
MEM_STORE_ADDR_EA_L(&_ss, host_reg);
@@ -196,7 +193,7 @@ static uint32_t ropLEAVE_16(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, u
{
int 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_EBP_TO_EA(0);
MEM_LOAD_ADDR_EA_W(&_ss);
host_reg = LOAD_REG_W(REG_BP); /*SP = BP + 2*/
@@ -210,7 +207,7 @@ static uint32_t ropLEAVE_32(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, u
{
int 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_EBP_TO_EA(0);
MEM_LOAD_ADDR_EA_L(&_ss);
host_reg = LOAD_REG_L(REG_EBP); /*ESP = EBP + 4*/
@@ -226,7 +223,7 @@ static uint32_t ropPUSH_ ## seg ## _16(uint8_t opcode, uint32_t fetchdat, uint32
{ \
int 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_VAR_W((uintptr_t)&seg); \
MEM_STORE_ADDR_EA_W(&_ss, host_reg); \
@@ -238,7 +235,7 @@ static uint32_t ropPUSH_ ## seg ## _32(uint8_t opcode, uint32_t fetchdat, uint32
{ \
int 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_VAR_W((uintptr_t)&seg); \
MEM_STORE_ADDR_EA_L(&_ss, host_reg); \