wla hirom

hirom.asm

; == HiRom ========================= 
.MEMORYMAP             ; Tell WLA that the SNES has ROM at locations 0000-$FFFF in every bank
SLOTSIZE $10000        ; and that this area is $10000 bytes in size.
DEFAULTSLOT 0
SLOT 0 $0000
;SLOT 1 START $8000 SIZE $8000
.ENDME

.ROMBANKSIZE $10000		; Every ROM bank is 64 KBytes in size, also necessary.
.ROMBANKS 4				;

; ===========================

.SNESHEADER
	ID "SNES"                     ; 1-4 letter string, just leave it as "SNES"
	
	NAME "wla hirom test       "  ; Program Title - can't be over 21 bytes,
;		 "123456789012345678901"  ; use spaces for unused bytes of the name.
	
	SLOWROM ; SLOWROM or FASTROM
	HIROM ; LOROM or HIROM, LOROM banks must be $8000 (32KB) and HIROM banks must be $10000 (64KB)
	
	CARTRIDGETYPE $00

	ROMSIZE $08         ; $08 = 2 Mbits, $08 to $0C, 256KB (2mb) to 4MB (32mb), MUST CHANGE LABELS .ROMBANKSIZE AND .ROMBANKS
	
	SRAMSIZE $00        ; No SRAM
	
	COUNTRY $01         ; country code $00 => Japanese, $01 => NTSC, $02 to $0c => PAL, $0d => NTSC
	LICENSEECODE $00    ; use $00
	VERSION $00         ; $00 = 1.00, $01 = 1.01, etc.
.ENDSNES

.SNESNATIVEVECTOR               ; Define Native Mode interrupt vector table
	COP 0
	BRK 0
	ABORT 0
	NMI 0
	IRQ 0
.ENDNATIVEVECTOR

.SNESEMUVECTOR                  ; Define Emulation Mode interrupt vector table
	COP 0
	ABORT 0
	NMI 0
	RESET Start                ; where execution starts
	IRQBRK 0
.ENDEMUVECTOR

.EMPTYFILL $00

; ===========================
.base $00
.bank 0
.org $8000
.section "lorom" semifree

Start:
    sei
    clc
    xce
    rep #$39
    sep #$20
    jml hirom
.ends

.base $40
.bank 0
.org $0000
.section "hirom" semifree

hirom:
    lda #$0f
    stz $2121
    sta $2122
    sta $2122

    sta $2100
-   bra -
.ends