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32 lines
599 B
NASM
32 lines
599 B
NASM
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; from https://www.chibiakumas.com/z80/helloworld.php#LessonH1
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PrintChar = 0xbb5a
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WaitChar = 0xbb06
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org 0x4000
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Start:
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ld hl,Message ;Address of string
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call PrintString ;Show String to screen
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call WaitChar
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ret ;Finished Hello World
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PrintString:
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ld a,(hl) ;Print a '255' terminated string
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cp 255
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ret z
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inc hl
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call PrintChar
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jr PrintString
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Message:
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db 'Hello World! Press a key...',255
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NewLine:
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ld a,13 ;Carriage return
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call PrintChar
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ld a,10 ;Line Feed
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call PrintChar
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ret
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