autosave-asar.asm

; Alcaro's old autosave patch, xkas->asar conversion
; This patch autosaves whenever you gain control on the overworld, such as after clearing a level, dying, or walking to another level

!bank	= $800000

org $04920F|!bank
LDX #$2C
autoclean JSL Autosave
JSR.w $9037
LDX $0DD5
BEQ NotAutoWalk
LDA.w $905F,x
STA $08
STZ $09
REP #$30
LDX $04
LDA $7ED000,x
AND #$00FF
LDY #$000A
-
CMP.w $906C,y
BNE +
JMP $9411
NOP #1
+
DEY
DEY
BPL -

org $04925A|!bank
NotAutoWalk:

org $04904F|!bank
JSL $009BC9|!bank  ;autosave, don't show save prompt
NOP

org $04903F|!bank
BEQ $00  ;save even on levels that have already been beaten

freedata

Autosave:
-
LDA $1F02,x
STA $1FA9,x
DEX
BPL -
RTL