mod_rm_parsing.h File Reference

#include "v8086.h"

Go to the source code of this file.

Macros
#define	get_byte_register(machine, reg_field)   ((uint8_t*)(&(machine->regs.h.al) + ((((reg_field) & 3) << 2) + ((reg_field) >> 2))))
#define	get_word_register(machine, reg_field)   ((uint16_t*)(&(machine->regs.d.eax) + (reg_field)))
#define	get_dword_register(machine, reg_field)   ((uint32_t*)(&(machine->regs.d.eax) + (reg_field)))
#define	select_segment_register(machine, select)   ((uint16_t*)(&((machine)->sregs.es) + (select)))

Functions
void *	get_variable_length_register (v8086 *machine, uint8_t reg_field, uint8_t width)
int16_t	calculate_segment_offset_from_mode (v8086 *machine, uint8_t mod_rm, uint16_t *segment, uint32_t *offset)
int16_t	calculate_segment_offset_from_mode_32 (v8086 *machine, uint8_t mod_rm, uint16_t *segment, uint32_t *offset)
void *	get_memory_from_mode (v8086 *machine, uint8_t mod_rm, uint8_t width)

Macro Definition Documentation

get_byte_register

#define get_byte_register	(		machine,
			reg_field
	)		((uint8_t*)(&(machine->regs.h.al) + ((((reg_field) & 3) << 2) + ((reg_field) >> 2))))

get_dword_register

#define get_dword_register	(		machine,
			reg_field
	)		((uint32_t*)(&(machine->regs.d.eax) + (reg_field)))

get_word_register

#define get_word_register	(		machine,
			reg_field
	)		((uint16_t*)(&(machine->regs.d.eax) + (reg_field)))

select_segment_register

#define select_segment_register	(		machine,
			select
	)		((uint16_t*)(&((machine)->sregs.es) + (select)))

Function Documentation

calculate_segment_offset_from_mode()

int16_t calculate_segment_offset_from_mode	(	v8086 *	machine,
		uint8_t	mod_rm,
		uint16_t *	segment,
		uint32_t *	offset
	)

calculate_segment_offset_from_mode_32()

int16_t calculate_segment_offset_from_mode_32	(	v8086 *	machine,
		uint8_t	mod_rm,
		uint16_t *	segment,
		uint32_t *	offset
	)

get_memory_from_mode()

void* get_memory_from_mode	(	v8086 *	machine,
		uint8_t	mod_rm,
		uint8_t	width
	)

get_variable_length_register()

void* get_variable_length_register	(	v8086 *	machine,
		uint8_t	reg_field,
		uint8_t	width
	)