mirror of
https://github.com/sehugg/8bitworkshop.git
synced 2024-11-22 14:33:51 +00:00
started msx1
This commit is contained in:
parent
43ac950a52
commit
a1aa24f2e8
36
presets/msx/helloworld.asm
Normal file
36
presets/msx/helloworld.asm
Normal file
@ -0,0 +1,36 @@
|
||||
|
||||
; Hello World example
|
||||
|
||||
; ROM routine for character output
|
||||
CHPUT: equ $00A2
|
||||
|
||||
; waste space @ 0x0000 - 0x3fff
|
||||
org 0x0000
|
||||
db 0
|
||||
ds 0x3fff
|
||||
|
||||
; 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
|
Loading…
Reference in New Issue
Block a user