Changes

6502 Counting Loop Example

21 bytes added, 02:00, 11 September 2023

no edit summary

LDX #$00 ; Loop index (0-9)

GOLINE:

TXA ; Put loop index into A

CLC

LDY #$00 ; Character number to print

DOCHARACTER:

LDA MSG,Y ; Get a character

BEQ DONE ; Done if it's NULL

JSR CHROUT ; Print character

INY ; Increment char number

JMP DO CHARACTER ; Process next character

DONE:

INX ; Increment loop index

CPX #10 ; Is it 10?

BNE GO LINE ; If not, ~~branch to GO~~print next line

BRK ; Stop

1,885

edits