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Initial submission of the PCem-Experimental source code.

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OBattler
2016-06-26 00:34:39 +02:00
parent 09d7c4384f
commit fd2a5bc9f5
610 changed files with 184352 additions and 0 deletions
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114
src/codegen_ops_shift.h Normal file
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#define SHIFT(size, size2, count, res_store) \
STORE_IMM_ADDR_L((uint32_t)&cpu_state.flags_op2, count); \
reg = LOAD_REG_ ## size(fetchdat & 7); \
res_store((uint32_t)&cpu_state.flags_op1, reg); \
\
switch (fetchdat & 0x38) \
{ \
case 0x20: case 0x30: /*SHL*/ \
SHL_ ## size ## _IMM(reg, count); \
STORE_IMM_ADDR_L((uint32_t)&cpu_state.flags_op, FLAGS_SHL ## size2); \
break; \
\
case 0x28: /*SHR*/ \
SHR_ ## size ## _IMM(reg, count); \
STORE_IMM_ADDR_L((uint32_t)&cpu_state.flags_op, FLAGS_SHR ## size2); \
break; \
\
case 0x38: /*SAR*/ \
SAR_ ## size ## _IMM(reg, count); \
STORE_IMM_ADDR_L((uint32_t)&cpu_state.flags_op, FLAGS_SAR ## size2); \
break; \
} \
\
res_store((uint32_t)&cpu_state.flags_res, reg); \
STORE_REG_ ## size ## _RELEASE(reg);
static uint32_t ropC0(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc, codeblock_t *block)
{
int count;
int reg;
if ((fetchdat & 0xc0) != 0xc0)
return 0;
if ((fetchdat & 0x38) < 0x20)
return 0;
count = (fetchdat >> 8) & 0x1f;
SHIFT(B, 8, count, STORE_HOST_REG_ADDR_BL);
return op_pc + 2;
}
static uint32_t ropC1_w(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc, codeblock_t *block)
{
int count;
int reg;
if ((fetchdat & 0xc0) != 0xc0)
return 0;
if ((fetchdat & 0x38) < 0x20)
return 0;
count = (fetchdat >> 8) & 0x1f;
SHIFT(W, 16, count, STORE_HOST_REG_ADDR_WL);
return op_pc + 2;
}
static uint32_t ropC1_l(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc, codeblock_t *block)
{
int count;
int reg;
if ((fetchdat & 0xc0) != 0xc0)
return 0;
if ((fetchdat & 0x38) < 0x20)
return 0;
count = (fetchdat >> 8) & 0x1f;
SHIFT(L, 32, count, STORE_HOST_REG_ADDR);
return op_pc + 2;
}
static uint32_t ropD0(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc, codeblock_t *block)
{
int reg;
if ((fetchdat & 0xc0) != 0xc0)
return 0;
if ((fetchdat & 0x38) < 0x20)
return 0;
SHIFT(B, 8, 1, STORE_HOST_REG_ADDR_BL);
return op_pc + 1;
}
static uint32_t ropD1_w(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc, codeblock_t *block)
{
int reg;
if ((fetchdat & 0xc0) != 0xc0)
return 0;
if ((fetchdat & 0x38) < 0x20)
return 0;
SHIFT(W, 16, 1, STORE_HOST_REG_ADDR_WL);
return op_pc + 1;
}
static uint32_t ropD1_l(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc, codeblock_t *block)
{
int reg;
if ((fetchdat & 0xc0) != 0xc0)
return 0;
if ((fetchdat & 0x38) < 0x20)
return 0;
SHIFT(L, 32, 1, STORE_HOST_REG_ADDR);
return op_pc + 1;
}