Custom text input
From Retrosoftware
(Difference between revisions)
Revision as of 13:39, 9 May 2008
Custom Text Input
This is a custom text input routine that I wrote since the BBC's standard INPUT command handles commas differently from what I needed.
The Code
10 REM Custom text input example 20 REM by Francis G. Loch 30 40 DIM mc% 100 50 DIM buffer% 255 60 osasci=&FFE3 70 osbyte=&FFF4 80 osrdch=&FFE0 90 FOR opt%=0 TO 2 STEP 2 100 P%=mc% 110[ OPT opt% 120.getText 130 LDA #2 140 LDX #0 150 JSR osbyte 160 LDY #0 170.loop 180 JSR osrdch 190 CMP #27 200 BNE chkReturn 210 LDA #13 220 JSR osasci 230 STA buffer% 240 LDA #126 250 JSR osbyte 260 RTS 270.chkReturn 280 CMP #13 290 BNE chkDelete 300 JSR osasci 310 STA buffer%,Y 320 RTS 330.chkDelete 340 CMP #127 350 BNE display 360 CPY #0 370 BEQ loop 380 DEY 390 JSR osasci 400 JMP loop 410.display 420 CPY #255 430 BEQ loop 440 JSR osasci 450.store 460 STA buffer%,Y 470 INY 480 JMP loop 490] 500 NEXT 510 520 PRINT "Enter text: "; 530 A$=FNgetText 540 PRINT A$ 550 END 560 570 DEF FNgetText 580 CALL getText 590 =$buffer%