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8bitworkshop/presets/msx/helloworld.asm

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; Hello World example
; ROM routine for character output
CHPUT: equ $00A2
org 0x4000
; MSX cartridge header @ 0x4000 - 0x400f
dw 0x4241
dw Init
dw Init
dw 0
dw 0
dw 0
dw 0
dw 0
; initialize and print message
Init:
ld hl, msg
call puts
jp Init ; loop forever
puts: ; print 0-terminated string in HL
ld a,(hl)
or a
ret z
call CHPUT ; displays one character in A
inc hl
jr puts
; ASCII message + CR LF
msg: defm "Hello, world!",13,10,0