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Assembly Source File  |  1985-10-07  |  966b  |  1 lines
  1. ; 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¢; NOW CLEAR SCREEN AREA¢     LDA #SHOW&255¢     STA $CB¢     LDA #SHOW/256¢     STA $CC¢     LDY #0¢CLRSHOW¢     LDA #1¢     STA ($CB),Y¢     LDA #SFIN/256¢     CMP $CC¢     BNE NODO1¢     LDA #SFIN&255¢     CMP $CB¢     BEQ DONCLR¢NODO1¢     INC $CB¢     BNE SKCLEAR¢     INC $CC¢SKCLEAR¢     JMP CLRSHOW¢DONCLR¢; AND SET ANOTHER FEW POINTERS¢     LDA #BSCR&255¢     STA $CB¢     LDA #BSCR/256¢     STA $CC¢     LDA #VSCR&255¢     STA $80¢     LDA #VSCR/256¢     STA $81¢     RTS¢