exchange.c File Reference

#include "exchange.h"

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Functions
void	_ex_reg16 (word *reg1, word *reg2)
void	_exx (struct z80 *cpu)
void	_ex_sp_reg16 (word *reg, struct z80 *cpu, uint8_t *memory)

Function Documentation

_ex_reg16()

void _ex_reg16	(	word *	reg1,
		word *	reg2
	)

exchange two 16-bit registers

Parameters

reg1	first register
reg2	second register

_ex_sp_reg16()

void _ex_sp_reg16	(	word *	reg,
		struct z80 *	cpu,
		uint8_t *	memory
	)

exchange contents of a register pair with memory pointed to by SP

Parameters

reg	register to operate on
cpu	z80 cpu object
memory	pointer to allocated memory

_exx()

void _exx

(

struct z80 *

cpu

)

exchange bc, de, and hl register pairs with their alternates

Parameters

cpu	z80 cpu objects

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