Rana Systems Elite Series - Manual (Page 184)

ELITE SERIES USER MANUAL THEORY OF OPERATION
LDA #DSTTRK
ASL A
STA TEMP1
LDA #SRCTRK
ASL A
LOOP:
CMP TEMP 1
BEQ DONE
BCS MOVOUT
ADC #1
BCC MOVE
MOVOUT:
SBC #1
MOVE:
PHA
AND #$03
ASL
STA TEMP2
TXA
ORA TEMP2
TAY
LDA $C080,Y
JSR DELAY
PLA
TAY
LDA $C080,Y
JSR DELAY
PLA
JMP LOOP
DONE:
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