Created
May 21, 2023 11:29
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Hello World! C= 64
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| ; program start | |
| Start | |
| jsr $FF81 ; CINT (clear screen) | |
| sei ; turn off interrupts | |
| ldy #0 | |
| sty $d020 ; reset border color | |
| Loop | |
| lda Message,y ; load message byte | |
| beq EOM ; 0 = end of string | |
| clc | |
| adc #$c0 ; + 192 | |
| sta $400+41,y ; store to screen | |
| iny | |
| bne Loop ; next character | |
| EOM | |
| Message | |
| byte "HELLO`WORLDa" | |
| byte 0 |
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