Gb_Cpu.cpp File Reference

#include "Gb_Cpu.h"
#include <string.h>
#include "gb_cpu_io.h"
#include "blargg_source.h"

Macros
#define	PAGE_OFFSET(addr)
#define	READ(addr)
#define	WRITE(addr, data)
#define	READ_FAST(addr, out)
#define	READ_PROG(addr)
#define	R8(n)
#define	GET_ADDR()
#define	BRANCH(cond)

Variables
unsigned const	z_flag = 0x80
unsigned const	n_flag = 0x40
unsigned const	h_flag = 0x20
unsigned const	c_flag = 0x10

Macro Definition Documentation

BRANCH

#define BRANCH

(

cond

)

Value:

{\
        pc++;\
        int offset = (int8_t) data;\
        if ( !(cond) ) goto loop;\
        pc = uint16_t (pc + offset);\
        goto loop;\
}

GET_ADDR

#define GET_ADDR

(

)

Value:

GET_LE16( instr )

PAGE_OFFSET

#define PAGE_OFFSET

(

addr

)

Value:

((addr) & (page_size - 1))

R8

#define R8

(

n

)

Value:

(r8_ [(n) ^ 1])

READ

#define READ

(

addr

)

Value:

CPU_READ( this, (addr), s.remain )

READ_FAST

#define READ_FAST	(		addr,
			out )

Value:

CPU_READ_FAST( this, (addr), s.remain, out )

READ_PROG

#define READ_PROG

(

addr

)

Value:

(s.code_map [(addr) >> page_shift] [PAGE_OFFSET( addr )])

WRITE

#define WRITE	(		addr,
			data )

Value:

{CPU_WRITE( this, (addr), (data), s.remain );}

Variable Documentation

c_flag

unsigned const c_flag = 0x10

h_flag

unsigned const h_flag = 0x20

n_flag

unsigned const n_flag = 0x40

z_flag

unsigned const z_flag = 0x80