A2NoSlotMIDI/SRC/A2NoSlotMidi/main.lst

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ca65 V2.13.3 - (C) Copyright 1998-2012 Ullrich von Bassewitz
Main file : main.s
Current file: main.s
000000r 1 ;-------------------------------------------------------------------------
000000r 1 ; APPLE ][ SERIES ANNUNCIATOR MIDI DRIVER
000000r 1 ; Copyright © 1998-2018 Eric Rangell. MIT License.
000000r 1 ;-------------------------------------------------------------------------;
000000r 1 ; main.s
000000r 1 ; A2NoSlotMidi
000000r 1 ; Created by Eric Rangell on 17 JULY 2018.
000000r 1 ; VERSION 1.0.1 released 26 JULY 2018
000000r 1 ; VERSION 1.0.2 released 29 JULY 2018
000000r 1 ;-------------------------------------------------------------------------
000000r 1 ; THIS DRIVER IMPLEMENTS ASYNCHRONOUS SERIAL DATA TRANSMISSION
000000r 1 ; THROUGH AN APPLE ][ ANNUNCIATOR OUTPUT PORT OF THE GAME CONNECTOR
000000r 1 ; USING 32 CYCLES PER BIT TO ACHIEVE A 31.25K MIDI BAUD RATE.
000000r 1 ;
000000r 1 ; APPLE //GS USERS NEED TO RUN THIS PROGRAM IN NORMAL SPEED MODE (1MHZ)
000000r 1 ;
000000r 1 ; THE OUTPUT IS INITIALIZED TO A HIGH LOGIC VOLTAGE. WHEN IT GOES
000000r 1 ; LOW FOR 32 MICROSECONDS, THAT INDICATES THE START BIT OF A MIDI BYTE.
000000r 1 ; THEN 8 BYTES OF DATA ARE TRANSMITTED, FOLLOWED BY A HIGH STOP BIT.
000000r 1 ; THE DATA BYTES REPRESENT MIDI MESSAGES WHICH CAN BE INTERPRETED BY
000000r 1 ; ANY MUSICAL INSTRUMENT THAT IMPLEMENTS MIDI.
000000r 1 ;
000000r 1 ; ENTRY POINTS: (Note: Origin must be set in Makefile)
000000r 1 ;
000000r 1 ; $9000 = INITIALIZE - TURNS ON ANNUNCIATOR 0 - MUST BE CALLED ONCE
000000r 1 ; $9003 = APPLESOFT CALL TO SEND ONE MIDI BYTE. POKE THE BYTE IN $9004.
000000r 1 ; $9005 = ASSEMBLY CALL TO SEND ONE MIDI BYTE FROM ACCUMULATOR
000000r 1 ; $9008 = APPLESOFT OR ASSEMBLY CALL TO SEND SEVERAL BYTES AT ONCE:
000000r 1 ; THE CALLER POPULATES LOCATION $D7 WITH THE NUMBER OF BYTES TO BE
000000r 1 ; TRANSMITTED, AND A POINTER IN $CE,CF (LO,HI) WITH THE ADDRESS OF
000000r 1 ; THE DATA BYTES, THEN CALLS THE ENTRY POINT "SENDMSG" TO TRANSMIT
000000r 1 ; THE MESSAGE.
000000r 1 ; $900B = TURN ALL NOTES OFF
000000r 1 ; $900E = SEND A TEST MESSAGE - C MAJOR CHORD NOTE ONS
000000r 1 ; $9011 = SEND A TEST MESSAGE - C MAJOR CHORD NOTE OFFS
000000r 1 ;
000000r 1 ; IF THE FOLLOWING ROUTINE IS USED, IT SHOULD BE CALLED IMMEDIATELY AFTER BLOADING
000000r 1 ; THE BINARY. AT THE END, IT WILL CALL THE INIT ROUTINE FOR THE SELECTED ANNUNCIATOR.
000000r 1 ;
000000r 1 ; $9014 = CHANGE ANNUNCIATOR - MODIFIES CODE TO USE DIFFERENT ANNUNCIATOR
000000r 1 ; $9017 = ANNUNCIATOR TO USE: 0-3 - only looks at least significant 2 bits
000000r 1 ;
000000r 1 ; $9018 = SET TO 1 TO USE NEGATIVE LOGIC (ONLY ONE INVERTER IN THE MIDI CIRCUIT)
000000r 1 ;-------------------------------------------------------------------------
000000r 1 ; Enhancements for 2018:
000000r 1 ; 1. Disable interrupts during critical timing sections, preserve interrupt status
000000r 1 ; 2. Entry point to reconfigure program to use a different annunciator pair
000000r 1 ; 3. Entry point to reconfigure program for hardware interface using inverters only (not buffers)
000000r 1 ;-------------------------------------------------------------------------
000000r 1 ; CALLER MUST POPULATE THE FOLLOWING TWO ZERO PAGE LOCATIONS FOR SENDMSG:
000000r 1 NUMBYTES = $D7 ;NUMBER OF BYTES TO BE TRANSMITTED NOW (1-256)
000000r 1 ; ;THE VALUE 0 WILL TRANSMIT 256 BYTES.
000000r 1 DATAPTR = $CE ;POINTER TO THE BYTES TO BE TRANSMITTED NOW
000000r 1 ;-------------------------------------------------------------------------
000000r 1 AN0OFF = $C058 ;APPLE ADDRESSES THAT CONTROL ANNUNCIATOR OUTPUTS
000000r 1 AN0ON = $C059 ;PROGRAM REFERNCES ARE RELATIVE TO AN0
000000r 1 ;AN1OFF = $C05A
000000r 1 ;AN1ON = $C05B
000000r 1 ;AN2OFF = $C05C
000000r 1 ;AN2ON = $C05D
000000r 1 ;AN3OFF = $C05E
000000r 1 ;AN3ON = $C05F
000000r 1 ;-------------------------------------------------------------------------
000000r 1 .proc main
000000r 1 ;---------------------------------------------------------------------------
000000r 1 START:
000000r 1 4C rr rr JMP INIT ;MAIN ENTRY POINT - INITIALIZES ANNUNCIATORS
000003r 1 SENDFP:
000003r 1 A9 90 LDA #$90 ;ENTRY POINT FOR APPLESOFT: POKE BYTE AND CALL
000005r 1 SENDONE:
000005r 1 4C rr rr JMP XMITONE ;ENTRY POINT FOR TRANSMITTING ONE BYTE FROM ACCUM
000008r 1 SENDMSG:
000008r 1 4C rr rr JMP XMITMSG ;ENTRY POINT FOR TRANSMITTING A MIDI MESSAGE
00000Br 1 ALLNOFF:
00000Br 1 4C rr rr JMP QUIET ;TURN ALL NOTES OFF
00000Er 1 TEST1:
00000Er 1 4C rr rr JMP TESTMSG1 ;SEND TEST MESSAGE 1 - C MAJOR CHORD ON
000011r 1 TEST2:
000011r 1 4C rr rr JMP TESTMSG2 ;SEND TEST MESSAGE 2 - C MAJOR CHORD OFF
000014r 1 CHNGANNC:
000014r 1 4C rr rr JMP CHGANNC ;RECONFIGURE PROGRAM TO USE ANNUNCIATOR NUMBER IN NEXT BYTE
000017r 1 ANNC2USE:
000017r 1 00 .byte $00 ;ONLY LEAST SIGNIFICANT 2 BITS ARE USED
000018r 1 NEGLOGIC:
000018r 1 00 .byte $00 ;SET TO 1 TO USE NEGATIVE LOGIC, OTHERWISE LEAVE 0 FOR POSITIVE LOGIC (DEFAULT). DO NOT USE ANY OTHER VALUES!
000019r 1 ;---------------------------------------------------------------------------
000019r 1 01 MAJVER: .byte $01 ;BYTES USED TO TRACK VERSION OF RELEASED EXECUTABLES
00001Ar 1 02 MINVER: .byte $02 ;NIBBLES ARE USED FOR THE VERSION NUMBER ($0102 = VERSION 1.0.2)
00001Br 1 00 ASAVE: .byte $00 ;SAVE AREA FOR ACCUMULATOR
00001Cr 1 00 SAVENBYT: .byte $00 ;SAVE AREA FOR NUMBYTES
00001Dr 1 ;---------------------------------------------------------------------------
00001Dr 1 AD rr rr INIT: LDA NEGLOGIC
000020r 1 29 FE AND #$FE
000022r 1 F0 01 BEQ OK2INIT
000024r 1 00 BRK ;ABEND IF NEGLOGIC NOT 0 OR 1
000025r 1 OK2INIT:
000025r 1 A9 59 LDA #<AN0ON ;MODIFY BIT INSTRUCTION BELOW - FLIP LEAST SIGNIFICANT BIT IF NEGATIVE LOGIC
000027r 1 4D rr rr EOR NEGLOGIC
00002Ar 1 8D rr rr STA INITANNC+1
00002Dr 1 INITANNC:
00002Dr 1 2C 59 C0 BIT AN0ON
000030r 1 60 RTS
000031r 1 ;---------------------------------------------------------------------------
000031r 1 ; CRITICAL TIMING SECTION BELOW MUST NOT CROSS A PAGE BOUNDARY
000031r 1 ;---------------------------------------------------------------------------
000031r 1 XMITBITS:
000031r 1 08 PHP ;SAVE CURRENT INTERRUPT STATUS
000032r 1 78 SEI ;MASK INTERRUPTS DURING CRITICAL TIMING SECTION
000033r 1 STRTBIT:
000033r 1 2C 58 C0 BIT AN0OFF ;4 CYCLES - TRANSMIT START BIT - ALWAYS LOW
000036r 1 20 rr rr JSR DELAY22 ;6+22
000039r 1 BIT0:
000039r 1 2C 58 C0 BIT AN0OFF ;4
00003Cr 1 20 rr rr JSR DELAY22 ;6+22
00003Fr 1 BIT1:
00003Fr 1 2C 58 C0 BIT AN0OFF ;4
000042r 1 20 rr rr JSR DELAY22 ;6+22
000045r 1 BIT2:
000045r 1 2C 58 C0 BIT AN0OFF ;4
000048r 1 20 rr rr JSR DELAY22 ;6+22
00004Br 1 BIT3:
00004Br 1 2C 58 C0 BIT AN0OFF ;4
00004Er 1 20 rr rr JSR DELAY22 ;6+22
000051r 1 BIT4:
000051r 1 2C 58 C0 BIT AN0OFF ;4
000054r 1 20 rr rr JSR DELAY22 ;6+22
000057r 1 BIT5:
000057r 1 2C 58 C0 BIT AN0OFF ;4
00005Ar 1 20 rr rr JSR DELAY22 ;6+22
00005Dr 1 BIT6:
00005Dr 1 2C 58 C0 BIT AN0OFF ;4
000060r 1 20 rr rr JSR DELAY22 ;6+22
000063r 1 BIT7:
000063r 1 2C 58 C0 BIT AN0OFF ;4
000066r 1 20 rr rr JSR DELAY22 ;6+22
000069r 1 STOPBIT:
000069r 1 2C 59 C0 BIT AN0ON ;4 ;TRANSMIT STOP BIT - ALWAYS HIGH
00006Cr 1 20 rr rr JSR DELAY22 ;6+22
00006Fr 1 28 PLP ;4 ;RESTORE SAVED INTERRUPT STATUS
000070r 1 60 RTS ;TOTAL TIME INTERRUPTS DISABLED: 324 MICROSECONDS
000071r 1 ;-----------------------------------------------------------------------
000071r 1 DELAY22:
000071r 1 EA NOP ;WAIT 22 CYCLES
000072r 1 EA NOP
000073r 1 EA NOP
000074r 1 EA NOP
000075r 1 EA NOP
000076r 1 EA NOP
000077r 1 EA NOP
000078r 1 EA NOP
000079r 1 60 RTS
00007Ar 1 ;---------------------------------------------------------------------------
00007Ar 1 XMITMSG:
00007Ar 1 A5 D7 LDA NUMBYTES ;SAVE NUMBER OF BYTES
00007Cr 1 8D rr rr STA SAVENBYT ;BECAUSE WE WILL CLOBBER IT
00007Fr 1 A0 00 LDY #$00 ;Y WILL BE AN INDEX INTO THE DATA AREA
000081r 1 XMITLOOP:
000081r 1 B1 CE LDA (DATAPTR),Y ;GET A DATA BYTE
000083r 1 20 rr rr JSR XMITONE
000086r 1 C8 INY ;POINT TO NEXT BYTE
000087r 1 C6 D7 DEC NUMBYTES ;DECREMENT COUNTER
000089r 1 A5 D7 LDA NUMBYTES ;CHECK IF ZERO
00008Br 1 D0 F4 BNE XMITLOOP ;LOOP UNTIL DONE SENDING ALL BYTES
00008Dr 1 AD rr rr LDA SAVENBYT
000090r 1 85 D7 STA NUMBYTES ;RESTORE ORIGINAL VALUE OF NUMBYTES
000092r 1 60 RTS
000093r 1 ;---------------------------------------------------------------------------
000093r 1 XMITONE:
000093r 1 8D rr rr STA ASAVE ;ABEND IF NEGLOGIC NOT 0 OR 1
000096r 1 AD rr rr LDA NEGLOGIC
000099r 1 29 FE AND #$FE
00009Br 1 F0 04 BEQ OK2XMIT
00009Dr 1 AD rr rr LDA ASAVE
0000A0r 1 00 BRK
0000A1r 1 OK2XMIT:
0000A1r 1 8A TXA ;SAVE X AND A ON STACK IN CASE THIS CODE GETS INTERRUPTED
0000A2r 1 48 PHA
0000A3r 1 AD rr rr LDA ASAVE
0000A6r 1 48 PHA
0000A7r 1 ;
0000A7r 1 0A ASL A ;SHIFT BIT INTO CARRY
0000A8r 1 AA TAX ;SAVE CURRENT IMAGE OF DATA BYTE
0000A9r 1 A9 00 LDA #$00 ;ZERO OUT ACCUMULATOR FOR ADD
0000ABr 1 69 58 MOD1: ADC #<AN0OFF ;ADD CARRY TO ANNUNCIATOR ADDRESS
0000ADr 1 4D rr rr EOR NEGLOGIC ;FLIP ADDRESSES IF USING NEGATIVE LOGIC
0000B0r 1 8D rr rr STA BIT7+1 ;MODIFY THE XMITBITS SUBROUTINE
0000B3r 1 8A TXA ;RESTORE ACCUMULATOR
0000B4r 1 ;
0000B4r 1 0A ASL A ;SHIFT BIT INTO CARRY
0000B5r 1 AA TAX ;SAVE CURRENT IMAGE OF DATA BYTE
0000B6r 1 A9 00 LDA #$00 ;ZERO OUT ACCUMULATOR FOR ADD
0000B8r 1 69 58 MOD2: ADC #<AN0OFF ;ADD CARRY TO ANNUNCIATOR ADDRESS
0000BAr 1 4D rr rr EOR NEGLOGIC ;FLIP ADDRESSES IF USING NEGATIVE LOGIC
0000BDr 1 8D rr rr STA BIT6+1 ;MODIFY THE XMITBITS SUBROUTINE
0000C0r 1 8A TXA ;RESTORE ACCUMULATOR
0000C1r 1 ;
0000C1r 1 0A ASL A ;SHIFT BIT INTO CARRY
0000C2r 1 AA TAX ;SAVE CURRENT IMAGE OF DATA BYTE
0000C3r 1 A9 00 LDA #$00 ;ZERO OUT ACCUMULATOR FOR ADD
0000C5r 1 69 58 MOD3: ADC #<AN0OFF ;ADD CARRY TO ANNUNCIATOR ADDRESS
0000C7r 1 4D rr rr EOR NEGLOGIC ;FLIP ADDRESSES IF USING NEGATIVE LOGIC
0000CAr 1 8D rr rr STA BIT5+1 ;MODIFY THE XMITBITS SUBROUTINE
0000CDr 1 8A TXA ;RESTORE ACCUMULATOR
0000CEr 1 ;
0000CEr 1 0A ASL A ;SHIFT BIT INTO CARRY
0000CFr 1 AA TAX ;SAVE CURRENT IMAGE OF DATA BYTE
0000D0r 1 A9 00 LDA #$00 ;ZERO OUT ACCUMULATOR FOR ADD
0000D2r 1 69 58 MOD4: ADC #<AN0OFF ;ADD CARRY TO ANNUNCIATOR ADDRESS
0000D4r 1 4D rr rr EOR NEGLOGIC ;FLIP ADDRESSES IF USING NEGATIVE LOGIC
0000D7r 1 8D rr rr STA BIT4+1 ;MODIFY THE XMITBITS SUBROUTINE
0000DAr 1 8A TXA ;RESTORE ACCUMULATOR
0000DBr 1 ;
0000DBr 1 0A ASL A ;SHIFT BIT INTO CARRY
0000DCr 1 AA TAX ;SAVE CURRENT IMAGE OF DATA BYTE
0000DDr 1 A9 00 LDA #$00 ;ZERO OUT ACCUMULATOR FOR ADD
0000DFr 1 69 58 MOD5: ADC #<AN0OFF ;ADD CARRY TO ANNUNCIATOR ADDRESS
0000E1r 1 4D rr rr EOR NEGLOGIC ;FLIP ADDRESSES IF USING NEGATIVE LOGIC
0000E4r 1 8D rr rr STA BIT3+1 ;MODIFY THE XMITBITS SUBROUTINE
0000E7r 1 8A TXA ;RESTORE ACCUMULATOR
0000E8r 1 ;
0000E8r 1 0A ASL A ;SHIFT BIT INTO CARRY
0000E9r 1 AA TAX ;SAVE CURRENT IMAGE OF DATA BYTE
0000EAr 1 A9 00 LDA #$00 ;ZERO OUT ACCUMULATOR FOR ADD
0000ECr 1 69 58 MOD6: ADC #<AN0OFF ;ADD CARRY TO ANNUNCIATOR ADDRESS
0000EEr 1 4D rr rr EOR NEGLOGIC ;FLIP ADDRESSES IF USING NEGATIVE LOGIC
0000F1r 1 8D rr rr STA BIT2+1 ;MODIFY THE XMITBITS SUBROUTINE
0000F4r 1 8A TXA ;RESTORE ACCUMULATOR
0000F5r 1 ;
0000F5r 1 0A ASL A ;SHIFT BIT INTO CARRY
0000F6r 1 AA TAX ;SAVE CURRENT IMAGE OF DATA BYTE
0000F7r 1 A9 00 LDA #$00 ;ZERO OUT ACCUMULATOR FOR ADD
0000F9r 1 69 58 MOD7: ADC #<AN0OFF ;ADD CARRY TO ANNUNCIATOR ADDRESS
0000FBr 1 4D rr rr EOR NEGLOGIC ;FLIP ADDRESSES IF USING NEGATIVE LOGIC
0000FEr 1 8D rr rr STA BIT1+1 ;MODIFY THE XMITBITS SUBROUTINE
000101r 1 8A TXA ;RESTORE ACCUMULATOR
000102r 1 ;
000102r 1 0A ASL A ;SHIFT BIT INTO CARRY
000103r 1 AA TAX ;SAVE CURRENT IMAGE OF DATA BYTE
000104r 1 A9 00 LDA #$00 ;ZERO OUT ACCUMULATOR FOR ADD
000106r 1 69 58 MOD8: ADC #<AN0OFF ;ADD CARRY TO ANNUNCIATOR ADDRESS
000108r 1 4D rr rr EOR NEGLOGIC ;FLIP ADDRESSES IF USING NEGATIVE LOGIC
00010Br 1 8D rr rr STA BIT0+1 ;MODIFY THE XMITBITS SUBROUTINE
00010Er 1 8A TXA ;RESTORE ACCUMULATOR
00010Fr 1 ;
00010Fr 1 A9 58 MOD9: LDA #<AN0OFF ;FLIP ANNUNCIATOR ADDRESSES OF START AND STOP BITS IF USING NEGATIVE LOGIC
000111r 1 4D rr rr EOR NEGLOGIC
000114r 1 8D rr rr STA STRTBIT+1
000117r 1 ;
000117r 1 A9 59 MOD10: LDA #<AN0ON
000119r 1 4D rr rr EOR NEGLOGIC
00011Cr 1 8D rr rr STA STOPBIT+1
00011Fr 1 ;
00011Fr 1 20 rr rr JSR XMITBITS ;SEND THE BYTE OUT
000122r 1 68 PLA ;RESTORE A AND X
000123r 1 8D rr rr STA ASAVE
000126r 1 68 PLA
000127r 1 AA TAX
000128r 1 AD rr rr LDA ASAVE
00012Br 1 60 RTS
00012Cr 1 ;-----------------------------------------------------------------------
00012Cr 1 TESTMSG1:
00012Cr 1 A9 07 LDA #7
00012Er 1 85 D7 STA NUMBYTES
000130r 1 A9 rr LDA #<TESTDAT1
000132r 1 85 CE STA DATAPTR
000134r 1 A9 rr LDA #>TESTDAT1
000136r 1 85 CF STA DATAPTR+1
000138r 1 20 rr rr JSR SENDMSG
00013Br 1 60 RTS
00013Cr 1 ;-----------------------------------------------------------------------
00013Cr 1 TESTMSG2:
00013Cr 1 A9 07 LDA #7
00013Er 1 85 D7 STA NUMBYTES
000140r 1 A9 rr LDA #<TESTDAT2
000142r 1 85 CE STA DATAPTR
000144r 1 A9 rr LDA #>TESTDAT2
000146r 1 85 CF STA DATAPTR+1
000148r 1 20 rr rr JSR SENDMSG
00014Br 1 60 RTS
00014Cr 1 ;-----------------------------------------------------------------------
00014Cr 1 QUIET:
00014Cr 1 A9 90 LDA #$90
00014Er 1 85 D7 STA NUMBYTES
000150r 1 A9 rr LDA #<QUIETMSG
000152r 1 85 CE STA DATAPTR
000154r 1 A9 rr LDA #>QUIETMSG
000156r 1 85 CF STA DATAPTR+1
000158r 1 20 rr rr JSR SENDMSG
00015Br 1 60 RTS
00015Cr 1 ;-----------------------------------------------------------------------
00015Cr 1 CHGANNC:
00015Cr 1 AD rr rr LDA ANNC2USE
00015Fr 1 29 03 AND #$03 ;KEEP ONLY 2 LEAST SIGNIFICANT BITS
000161r 1 0A ASL ;MULTIPLY BY 2
000162r 1 48 PHA ;SAVE THIS VALUE FOR EACH MOD BEING DONE BELOW
000163r 1 18 CLC
000164r 1 69 58 ADC #<AN0OFF ;MODIFY LOW BYTE OF EACH ANNUNCIATOR ADDRESS IN CODE ABOVE
000166r 1 8D rr rr STA MOD1+1
000169r 1 ;
000169r 1 68 PLA ;GET VALUE TO ADD
00016Ar 1 48 PHA ;SAVE IT AGAIN
00016Br 1 18 CLC
00016Cr 1 69 58 ADC #<AN0OFF
00016Er 1 8D rr rr STA MOD2+1
000171r 1 ;
000171r 1 68 PLA ;GET VALUE TO ADD
000172r 1 48 PHA ;SAVE IT AGAIN
000173r 1 18 CLC
000174r 1 69 58 ADC #<AN0OFF
000176r 1 8D rr rr STA MOD3+1
000179r 1 ;
000179r 1 68 PLA ;GET VALUE TO ADD
00017Ar 1 48 PHA ;SAVE IT AGAIN
00017Br 1 18 CLC
00017Cr 1 69 58 ADC #<AN0OFF
00017Er 1 8D rr rr STA MOD4+1
000181r 1 ;
000181r 1 68 PLA ;GET VALUE TO ADD
000182r 1 48 PHA ;SAVE IT AGAIN
000183r 1 18 CLC
000184r 1 69 58 ADC #<AN0OFF
000186r 1 8D rr rr STA MOD5+1
000189r 1 ;
000189r 1 68 PLA ;GET VALUE TO ADD
00018Ar 1 48 PHA ;SAVE IT AGAIN
00018Br 1 18 CLC
00018Cr 1 69 58 ADC #<AN0OFF
00018Er 1 8D rr rr STA MOD6+1
000191r 1 ;
000191r 1 68 PLA ;GET VALUE TO ADD
000192r 1 48 PHA ;SAVE IT AGAIN
000193r 1 18 CLC
000194r 1 69 58 ADC #<AN0OFF
000196r 1 8D rr rr STA MOD7+1
000199r 1 ;
000199r 1 68 PLA ;GET VALUE TO ADD
00019Ar 1 48 PHA ;SAVE IT AGAIN
00019Br 1 18 CLC
00019Cr 1 69 58 ADC #<AN0OFF
00019Er 1 8D rr rr STA MOD8+1
0001A1r 1 ;
0001A1r 1 68 PLA ;GET VALUE TO ADD
0001A2r 1 48 PHA ;SAVE IT AGAIN
0001A3r 1 18 CLC
0001A4r 1 69 58 ADC #<AN0OFF ;START BIT IS ALWAYS LOW
0001A6r 1 8D rr rr STA MOD9+1
0001A9r 1 ;
0001A9r 1 68 PLA ;GET VALUE TO ADD
0001AAr 1 48 PHA ;SAVE IT AGAIN
0001ABr 1 18 CLC
0001ACr 1 69 59 ADC #<AN0ON ;STOP BIT IS ALWAYS HIGH
0001AEr 1 8D rr rr STA MOD10+1
0001B1r 1 ;
0001B1r 1 68 PLA ;GET VALUE TO ADD
0001B2r 1 18 CLC
0001B3r 1 69 59 ADC #<AN0ON ;INITIALIZE MIDI BY SENDING HIGH "CARRIER" BIT
0001B5r 1 8D rr rr STA OK2INIT+1
0001B8r 1 4C rr rr JMP INIT ;TURN ON THE NEWLY SELECTED ANNUNCIATOR
0001BBr 1 ;-----------------------------------------------------------------------
0001BBr 1 TESTDAT1:
0001BBr 1 90 3C 40 40 .byte $90,$3C,$40,$40,$40,$43,$40
0001BFr 1 40 43 40
0001C2r 1 TESTDAT2:
0001C2r 1 90 3C 00 40 .byte $90,$3C,$00,$40,$00,$43,$00
0001C6r 1 00 43 00
0001C9r 1 QUIETMSG:
0001C9r 1 B0 78 00 B0 .byte $B0,$78,$00,$B0,$79,$00,$B0,$7B,$00
0001CDr 1 79 00 B0 7B
0001D1r 1 00
0001D2r 1 B1 78 00 B1 .byte $B1,$78,$00,$B1,$79,$00,$B1,$7B,$00
0001D6r 1 79 00 B1 7B
0001DAr 1 00
0001DBr 1 B2 78 00 B2 .byte $B2,$78,$00,$B2,$79,$00,$B2,$7B,$00
0001DFr 1 79 00 B2 7B
0001E3r 1 00
0001E4r 1 B3 78 00 B3 .byte $B3,$78,$00,$B3,$79,$00,$B3,$7B,$00
0001E8r 1 79 00 B3 7B
0001ECr 1 00
0001EDr 1 B4 78 00 B4 .byte $B4,$78,$00,$B4,$79,$00,$B4,$7B,$00
0001F1r 1 79 00 B4 7B
0001F5r 1 00
0001F6r 1 B5 78 00 B5 .byte $B5,$78,$00,$B5,$79,$00,$B5,$7B,$00
0001FAr 1 79 00 B5 7B
0001FEr 1 00
0001FFr 1 B6 78 00 B6 .byte $B6,$78,$00,$B6,$79,$00,$B6,$7B,$00
000203r 1 79 00 B6 7B
000207r 1 00
000208r 1 B7 78 00 B7 .byte $B7,$78,$00,$B7,$79,$00,$B7,$7B,$00
00020Cr 1 79 00 B7 7B
000210r 1 00
000211r 1 B8 78 00 B8 .byte $B8,$78,$00,$B8,$79,$00,$B8,$7B,$00
000215r 1 79 00 B8 7B
000219r 1 00
00021Ar 1 B9 78 00 B9 .byte $B9,$78,$00,$B9,$79,$00,$B9,$7B,$00
00021Er 1 79 00 B9 7B
000222r 1 00
000223r 1 BA 78 00 BA .byte $BA,$78,$00,$BA,$79,$00,$BA,$7B,$00
000227r 1 79 00 BA 7B
00022Br 1 00
00022Cr 1 BB 78 00 BB .byte $BB,$78,$00,$BB,$79,$00,$BB,$7B,$00
000230r 1 79 00 BB 7B
000234r 1 00
000235r 1 BC 78 00 BC .byte $BC,$78,$00,$BC,$79,$00,$BC,$7B,$00
000239r 1 79 00 BC 7B
00023Dr 1 00
00023Er 1 BD 78 00 BD .byte $BD,$78,$00,$BD,$79,$00,$BD,$7B,$00
000242r 1 79 00 BD 7B
000246r 1 00
000247r 1 BE 78 00 BE .byte $BE,$78,$00,$BE,$79,$00,$BE,$7B,$00
00024Br 1 79 00 BE 7B
00024Fr 1 00
000250r 1 BF 78 00 BF .byte $BF,$78,$00,$BF,$79,$00,$BF,$7B,$00
000254r 1 79 00 BF 7B
000258r 1 00
000259r 1 ;----------------
000259r 1 ; END OF PROGRAM
000259r 1 ;----------------
000259r 1 .endproc
000259r 1