view test_arm.c @ 2005:3ce38692a3f2

Set initial pan bits in YM2612 register array and not just the separate lr field of the channel. This fixes an issue in which some channels would be silent in VGM log output
author Michael Pavone <pavone@retrodev.com>
date Sun, 11 Oct 2020 22:42:10 -0700
parents 474270dbff15
children
line wrap: on
line source

#include <stdio.h>
#include "gen_arm.h"

typedef int32_t (*fib_fun)(int32_t);

int main(int arc, char **argv)
{
	code_info code;
	init_code_info(&code);
	uint32_t *fib = code.cur;
	subi(&code, r0, r0, 2, SET_COND);
	movi_cc(&code, r0, 1, NO_COND, CC_LT);
	bx_cc(&code, lr, CC_LT);
	pushm(&code, LR | R4);
	mov(&code, r4, r0, NO_COND);
	bl(&code, fib);
	mov(&code, r1, r0, NO_COND);
	addi(&code, r0, r4, 1, NO_COND);
	mov(&code, r4, r1, NO_COND);
	bl(&code, fib);
	add(&code, r0, r4, r0, NO_COND);
	popm(&code, LR | R4);
	bx(&code, lr);

	fib_fun fibc = (fib_fun)fib;
	printf("fib(10): %d\n", fibc(10));

	return 0;
}