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processor 65c816
option output-file,"main.lib"
option output-format,lib
option snes-irq,vbl,vbl_handler
option snes-irq,irq,irq_handler
; Initialise SNES
;
org $8000
bank 0
include init.asm
; Set the background color to green.
sep #$20 ; Set the A register to 8-bit.
lda #%10000000 ; Force VBlank by turning off the screen.
sta $2100
lda #%11100000 ; Load the low byte of the green color.
sta $2122
lda #%00000000 ; Load the high byte of the green color.
sta $2122
lda #%00001111 ; End VBlank, setting brightness to 15 (100%).
sta $2100
; Loop forever.
Forever:
jmp Forever
; IRQ vectors
;
vbl_handler:
rti
irq_handler:
rti
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