view fib.s68 @ 1863:d60f2d7c02a5

Differentiate between the full Sega mapper and the SRAM only one. Fixes crash on save state load for Phantasy Star IV and other games that use the same mapper
author Michael Pavone <pavone@retrodev.com>
date Tue, 14 May 2019 23:20:35 -0700
parents f7fe240a7da6
children b7ecd0d6a77b
line wrap: on
line source

    dc.l $0, start
start:
	moveq #42, d0
	bsr fib
	reset
fib:
	cmp.l #2, d0
	blt base
	subq.l #1, d0
	move.l d0, -(a7)
	bsr fib
	move.l (a7), d1
	exg d0, d1
	move.l d1, (a7)
	subq.l #1, d0
	bsr fib
	move.l (a7)+, d1
	add.l d1, d0
	rts
base:
	moveq #1, d0
	rts