Apple II User Manual
2399 F036 68 PLA
2400 F037 60 RTS
2401 F038 A9 20 OUTPR LDA #' ' ;FILL REST OF BUFF WITH BLANKS
2401 F038 A9 20 OUTPR LDA #' ' ;FILL REST OF BUFF WITH BLANKS
2402 F03A E0 14 OUTPR1 CPX #20 ;SEE IF END OF BUFF
2403 F03C F0 06 BEQ OUTPR2
2403 F03C F0 06 BEQ OUTPR2
2404 F03E 9D 60 A4 STA IBUFM,X ;NO SO STORE BLANK
2405 F041 E8 INX ;INCR BUFF PNTR
2405 F041 E8 INX ;INCR BUFF PNTR
2406 F042 10 F6 BPL OUTPR1
2407 F044 60 OUTPR2 RTS
2407 F044 60 OUTPR2 RTS
2408 F045
2409 F045 ;SUB TO OUTPUT BUFFER, 70 DOTS (10 DOTS AT
2409 F045 ;SUB TO OUTPUT BUFFER, 70 DOTS (10 DOTS AT
2410 F045 ;A TIME BY 7 ROWS) FOR EACH LINE OF PRINTING
2411 F045 2C 11 A4 IPST BIT PRIFLG ;PRINT FLG ON ?
2411 F045 2C 11 A4 IPST BIT PRIFLG ;PRINT FLG ON ?
2412 F048 10 2E BPL IPO4
2413 F04A 20 CB F0 IPS0 JSR PINT ;INITIALIZE VALUES
2413 F04A 20 CB F0 IPS0 JSR PINT ;INITIALIZE VALUES
2414 F04D 20 E3 F0 JSR IPSU ;SET UP FIRS OUTPUT PATTERN
2415 F050 A9 C1 IPO0 LDA #PRST+SP12+MON ;TURN MOTOR ON
2415 F050 A9 C1 IPO0 LDA #PRST+SP12+MON ;TURN MOTOR ON
2416 F052 8D 0C A8 STA PCR
2417 F055 20 A0 FF JSR PAT23 ;TIME OUT ?
2417 F055 20 A0 FF JSR PAT23 ;TIME OUT ?
2418 F058 D0 0C BNE IPO2 ;NO, START SIGNAL RECEIVED
2419 F05A 20 A0 FF JSR PAT23 ;YES, TRY AGAIN
2419 F05A 20 A0 FF JSR PAT23 ;YES, TRY AGAIN
2420 F05D D0 07 BNE IPO2 ;OK
2421 F05F 4C 79 F0 JMP PRIERR ;TWO TIME OUTS - ERROR
2421 F05F 4C 79 F0 JMP PRIERR ;TWO TIME OUTS - ERROR
2422 F062 EA NOP
2423 F063 EA NOP
2423 F063 EA NOP
2424 F064 EA NOP
2425 F065 EA NOP
2425 F065 EA NOP
2426 F066 20 87 F0 IPO2 JSR PRNDOT ;STRB P1=1 PRINT DOTS (1.7MSEC)
2427 F069 20 87 F0 JSR PRNDOT ;STRB P2=1 PRINT DOTS (1.7MSEC)
2427 F069 20 87 F0 JSR PRNDOT ;STRB P2=1 PRINT DOTS (1.7MSEC)
2428 F06C ;CHECK FOR 90, WHEN 70 PRNDOT WILL OUTPUT ZEROS
2429 F06C AD 77 A4 LDA IDOT
2429 F06C AD 77 A4 LDA IDOT
2430 F06F C9 5A CMP #90
2431 F071 90 F3 BCC IPO2 ;L.T. 90 THEN GO STROB P1
2431 F071 90 F3 BCC IPO2 ;L.T. 90 THEN GO STROB P1
2432 F073 A9 E1 IPO3 LDA #PRST+SP12+MOFF ;TURN MOTOR OFF
2433 F075 8D 0C A8 STA PCR
2433 F075 8D 0C A8 STA PCR
2434 F078 60 IPO4 RTS
2435 F079
2435 F079
2436 F079 20 44 EB PRIERR JSR CLR ;CLEAR PRI PNTR
2437 F07C 20 B1 FE JSR PATCH5 ;TURN PRI OFF
2437 F07C 20 B1 FE JSR PATCH5 ;TURN PRI OFF
2438 F07F A0 3B LDY #M12-M1
2439 F081 20 AF E7 JSR KEP
2439 F081 20 AF E7 JSR KEP
2440 F084 4C A1 E1 JMP COMIN ;BACK WHERE SUBR WAS CALLED
2441 F087
2441 F087
2442 F087 ;SUBR TO INCR DOT COUNTER,WHEN
2443 F087 ;NEG TRANS OUTPUT CHR FOR 1.7 MSEC
2443 F087 ;NEG TRANS OUTPUT CHR FOR 1.7 MSEC
2444 F087 ;CLEAR & SET UP NEXT PATTERN
2445 F087 A9 00 PRNDOT LDA #0 ;CLR INTERRPTS
2445 F087 A9 00 PRNDOT LDA #0 ;CLR INTERRPTS
2446 F089 8D 01 A8 STA DRAH
2447 F08C AD 0D A8 PRDOT0 LDA IFR
2447 F08C AD 0D A8 PRDOT0 LDA IFR
2448 F08F 29 02 AND #MSP12 ;ANY STROBES ?
2449 F091 F0 F9 BEQ PRDOT0
2449 F091 F0 F9 BEQ PRDOT0
2450 F093 AD 0C A8 LDA PCR
2451 F096 49 01 EOR #$01
2451 F096 49 01 EOR #$01
2452 F098 8D 0C A8 STA PCR
2453 F09B EE 77 A4 INC IDOT
2453 F09B EE 77 A4 INC IDOT
2454 F09E AD 79 A4 LDA IOUTU ;2 LEFT ELEM
2455 F0A1 0D 00 A8 ORA DRB ;DO NOT TURN TTY OUTPUT OFF
2455 F0A1 0D 00 A8 ORA DRB ;DO NOT TURN TTY OUTPUT OFF
2456 F0A4 8D 00 A8 STA DRB
2457 F0A7 AD 78 A4 LDA IOUTL ;7 RIGHT ELEM, CLR CA1 INTER FLG
2457 F0A7 AD 78 A4 LDA IOUTL ;7 RIGHT ELEM, CLR CA1 INTER FLG
2458 F0AA 8D 01 A8 STA DRAH
2459 F0AD A9 A4 LDA #PRTIME
2459 F0AD A9 A4 LDA #PRTIME
2460 F0AF 8D 08 A8 STA T2L