Retro/pcem
Watch
1
0
Fork
You've already forked pcem
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Added codegen_ops_shift.h file missing from rev 247.

Browse source
This commit is contained in:
TomW 2015-05-30 22:31:54 +01:00
commit 05de040433
1 changed files with 114 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

114
src/codegen_ops_shift.h Normal file
View file

@ -0,0 +1,114 @@
#define SHIFT(size, size2, count) \
STORE_IMM_ADDR_ ## size((uint32_t)&flags_op2, count); \
reg = LOAD_REG_ ## size(fetchdat & 7); \
STORE_HOST_REG_ADDR((uint32_t)&flags_op1, reg); \
\
switch (fetchdat & 0x38) \
{ \
case 0x20: case 0x30: /*SHL*/ \
SHL_ ## size ## _IMM(reg, count); \
STORE_IMM_ADDR_L((uint32_t)&flags_op, FLAGS_SHL ## size2); \
break; \
\
case 0x28: /*SHR*/ \
SHR_ ## size ## _IMM(reg, count); \
STORE_IMM_ADDR_L((uint32_t)&flags_op, FLAGS_SHR ## size2); \
break; \
\
case 0x38: /*SAR*/ \
SAR_ ## size ## _IMM(reg, count); \
STORE_IMM_ADDR_L((uint32_t)&flags_op, FLAGS_SAR ## size2); \
break; \
} \
\
STORE_HOST_REG_ADDR((uint32_t)&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);
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);
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);
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);
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);
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);
return op_pc + 1;
}