home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Mega Magazine 5
/
Mega_Magazine_05_19xx___nl_Side_B.atr
/
bigscrol.lzh
/
BIGCLR.ASM
< prev
next >
Wrap
Assembly Source File
|
1988-09-01
|
779b
|
1 lines
; THIS MAKES CHARACTERS POKEABLE ON¢; SCREEN¢¢; FIRST POINT TO START OF MESSAGES¢ LDA #MESSAGES&255¢ STA $CB¢ LDA #MESSAGES/256¢ STA $CC¢; NOW, DO IT¢ LDY #0¢CONVMESS¢ LDA ($CB),Y¢ CMP #254 ; DONE YET ?¢ BEQ DONCONV ; YES, EXIT LOOP¢ CMP #97 ; CHECK FOR¢ BPL SKCONV ; CASE¢ CMP #32¢ BMI SKCONV¢ SEC¢ SBC #32¢ STA ($CB),Y¢SKCONV¢ INC $CB¢ BNE SKCO1¢ INC $CC¢SKCO1¢ CLC¢ BCC CONVMESS¢DONCONV¢¢; THIS SETS SPEED FOR STARFIELD¢ LDX #0¢MAKSTAR¢ LDA 53770 ; RANDOM 0-255¢ STA STARSCROLL,X¢ AND #3 ; MASK OUT TO¢ CLC ; GET NUMBERS¢ ADC #1 ; BETWEEN¢ STA ST2,X ; 1 AND 4¢ INX¢ BNE MAKSTAR¢ RTS¢