inc.c File Reference

#include <stdint.h>
#include "emu/emu_cpu.h"
#include "emu/emu_cpu_data.h"
#include "emu/emu_memory.h"

Include dependency graph for inc.c:

Defines
#define	INSTR_CALC(bits, a)
#define	INSTR_SET_FLAG_OF(cpu, bits)
#define	INSTR_CALC_AND_SET_FLAGS(bits, cpu, a)
Functions
int32_t	instr_inc_4x (struct emu_cpu *c, struct emu_cpu_instruction *i)
int32_t	instr_group_4_fe_inc (struct emu_cpu *c, struct emu_cpu_instruction *i)
int32_t	instr_group_5_ff_inc (struct emu_cpu *c, struct emu_cpu_instruction *i)

---

Define Documentation

#define INSTR_CALC	(	bits,
		a		)

Value:

UINTOF(bits) operand_a = a;                                                             \
UINTOF(bits) operation_result = operand_a+1;                            \
a = operation_result;

#define INSTR_CALC_AND_SET_FLAGS	(	bits,
		cpu,
		a		)

Value:

INSTR_CALC(bits, a)                                                             \
INSTR_SET_FLAG_ZF(cpu)                                                          \
INSTR_SET_FLAG_PF(cpu)                                                          \
INSTR_SET_FLAG_SF(cpu)                                                          \
INSTR_SET_FLAG_OF(cpu,bits)

#define INSTR_SET_FLAG_OF	(	cpu,
		bits		)

Value:

{                                                                                                                                                               \
        int64_t sz = (INTOF(bits))operand_a;                                            \
                                                                                                                                                                \
        sz++;                                                                                                                                   \
                                                                                                                                                                \
        if (sz < max_inttype_borders[sizeof(operation_result)][0][0] || sz > max_inttype_borders[sizeof(operation_result)][0][1] \
        || sz != (INTOF(bits))operation_result )                                                                            \
        {                                                                           \
                CPU_FLAG_SET(cpu, f_of);                                                \
        }else                                                                       \
        {                                                                           \
                CPU_FLAG_UNSET(cpu, f_of);                                              \
        }                                                                           \
}

---

Function Documentation

int32_t instr_group_4_fe_inc	(	struct emu_cpu *	c,
		struct emu_cpu_instruction *	i
	)

References emu_cpu_instruction::ea, INSTR_CALC_AND_SET_FLAGS, MEM_BYTE_READ, MEM_BYTE_WRITE, emu_cpu_instruction::mod, emu_cpu_instruction::modrm, emu_cpu::reg8, and emu_cpu_instruction::rm.

Referenced by instr_group_4_fe().

int32_t instr_group_5_ff_inc	(	struct emu_cpu *	c,
		struct emu_cpu_instruction *	i
	)

References emu_cpu_instruction::ea, INSTR_CALC_AND_SET_FLAGS, MEM_DWORD_READ, MEM_DWORD_WRITE, MEM_WORD_READ, MEM_WORD_WRITE, emu_cpu_instruction::mod, emu_cpu_instruction::modrm, PREFIX_OPSIZE, emu_cpu_instruction::prefixes, emu_cpu::reg, emu_cpu::reg16, and emu_cpu_instruction::rm.

Referenced by instr_group_5_ff().

int32_t instr_inc_4x	(	struct emu_cpu *	c,
		struct emu_cpu_instruction *	i
	)

References INSTR_CALC_AND_SET_FLAGS, emu_cpu_instruction::opc, PREFIX_OPSIZE, emu_cpu_instruction::prefixes, emu_cpu::reg, and emu_cpu::reg16.