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Old recompiler improvements: limited in-block IRQ checking to floppy IRQ's only, rewrote the GPF handlers in ASM, and changed the recompiled INC and DEC instructions to actually use INC and DEC on host. Also removed the keyboard_at.c timer hack.

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OBattler
2020-07-15 05:03:19 +02:00
parent 10e16249fd
commit ec74ffb6a5
8 changed files with 81 additions and 12 deletions
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12
src/codegen/codegen_ops_arith.h
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@@ -7,7 +7,8 @@ static uint32_t ropINC_rw(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uin
host_reg = LOAD_REG_W(opcode & 7);
STORE_HOST_REG_ADDR_WL((uintptr_t)&cpu_state.flags_op1, host_reg);
ADD_HOST_REG_IMM_W(host_reg, 1);
// ADD_HOST_REG_IMM_W(host_reg, 1);
INC_HOST_REG_W(host_reg);
STORE_IMM_ADDR_L((uintptr_t)&cpu_state.flags_op2, 1);
STORE_IMM_ADDR_L((uintptr_t)&cpu_state.flags_op, FLAGS_INC16);
STORE_HOST_REG_ADDR_WL((uintptr_t)&cpu_state.flags_res, host_reg);
@@ -26,7 +27,8 @@ static uint32_t ropINC_rl(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uin
host_reg = LOAD_REG_L(opcode & 7);
STORE_HOST_REG_ADDR((uintptr_t)&cpu_state.flags_op1, host_reg);
ADD_HOST_REG_IMM(host_reg, 1);
// ADD_HOST_REG_IMM(host_reg, 1);
INC_HOST_REG(host_reg);
STORE_IMM_ADDR_L((uintptr_t)&cpu_state.flags_op2, 1);
STORE_IMM_ADDR_L((uintptr_t)&cpu_state.flags_op, FLAGS_INC32);
STORE_HOST_REG_ADDR((uintptr_t)&cpu_state.flags_res, host_reg);
@@ -45,7 +47,8 @@ static uint32_t ropDEC_rw(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uin
host_reg = LOAD_REG_W(opcode & 7);
STORE_HOST_REG_ADDR_WL((uintptr_t)&cpu_state.flags_op1, host_reg);
SUB_HOST_REG_IMM_W(host_reg, 1);
// SUB_HOST_REG_IMM_W(host_reg, 1);
DEC_HOST_REG_W(host_reg);
STORE_IMM_ADDR_L((uintptr_t)&cpu_state.flags_op2, 1);
STORE_IMM_ADDR_L((uintptr_t)&cpu_state.flags_op, FLAGS_DEC16);
STORE_HOST_REG_ADDR_WL((uintptr_t)&cpu_state.flags_res, host_reg);
@@ -64,7 +67,8 @@ static uint32_t ropDEC_rl(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uin
host_reg = LOAD_REG_L(opcode & 7);
STORE_HOST_REG_ADDR((uintptr_t)&cpu_state.flags_op1, host_reg);
SUB_HOST_REG_IMM(host_reg, 1);
// SUB_HOST_REG_IMM(host_reg, 1);
DEC_HOST_REG(host_reg);
STORE_IMM_ADDR_L((uintptr_t)&cpu_state.flags_op2, 1);
STORE_IMM_ADDR_L((uintptr_t)&cpu_state.flags_op, FLAGS_DEC32);
STORE_HOST_REG_ADDR((uintptr_t)&cpu_state.flags_res, host_reg);