Apple ii Battery Charger User Manual


 
F50D: 8A 57 TXA
F50E: 18 58 CLC
F50F: E5 3A 59 SBC PCL ;FORM ADDR-PC-2
F511: 85 3E 60 STA A2L
F513: 10 01 61 BPL REL3
F515: C8 62 INY
F516: 98 63 REL3 TYA
F517: E5 3B 64 SBC PCH
F519: D0 6B 65 ERR3 BNE ERR ;ERROR IF >1-BYTE BRANCH
F51B: A4 2F 66 FINDOP LDY LENGTH
F51D: B9 3D 00 67 FNDOP2 LDA A1H,Y ;MOVE INST TO (PC)
F520: 91 3A 68 STA (PCL),Y
F522: 88 69 DEY
F523: 10 F8 70 BPL FNDOP2
F525: 20 1A FC 71 JSR CURSUP
F528: 20 1A FC 72 JSR CURSUP ;RESTORE CURSOR
F52B: 20 D0 F8 73 JSR INSTDSP ;TYPE FORMATTED LINE
F52E: 20 53 F9 74 JSR PCADJ ;UPDATE PC
F531: 84 3B 75 STY PCH
F533: 85 3A 76 STA PCL
F535: 4C 95 F5 77 JMP NXTLINE ;GET NEXT LINE
F538: 20 BE FF 78 FAKEMON3 JSR TOSUB ;GO TO DELIM HANDLER
F53B: A4 34 79 LDY YSAV ;RESTORE Y-INDEX
F53D: 20 A7 FF 80 FAKEMON JSR GETNUM ;READ PARAM
F540: 84 34 81 STY YSAV ;SAVE Y-INDEX
F542: A0 17 82 LDY #$17 ;INIT DELIMITER INDEX
F544: 88 83 FAKEMON2 DEY ;CHECK NEXT DELIM
F545: 30 4B 84 BMI RESETZ ;ERR IF UNRECOGNIZED DELIM
F547: D9 CC FF 85 CMP CHRTBL,Y ;COMPARE WITH DELIM TABLE
F54A: D0 F8 86 BNE FAKEMON2 ;NO MATCH
F54C: C0 15 87 CPY #$15 ;MATCH, IS IT CR?
F54E: D0 E8 88 BNE FAKEMON3 ;NO, HANDLE IT IN MONITOR
F550: A5 31 89 LDA MODE
F552: A0 00 90 LDY #$0
F554: C6 34 91 DEC YSAV
F556: 20 00 FE 92 JSR BL1 ;HANDLE CR OUTSIDE MONITOR
F559: 4C 95 F5 93 JMP NXTLINE
F55C: A5 3D 94 TRYNEXT LDA A1H ;GET TRIAL OPCODE
F55E: 20 8E F8 95 JSR INSDS2 ;GET FMT+LENGTH FOR OPCODE
F561: AA 96 TAX
F562: BD 00 FA 97 LDA MNEMR,X ;GET LOWER MNEMONIC BYTE
F565: C5 42 98 CMP A4L ;MATCH?
F567: D0 13 99 BNE NEXTOP ;NO, TRY NEXT OPCODE.
F569: BD C0 F9 100 LDA MNEML,X ;GET UPPER MNEMONIC BYTE
F56C: C5 43 101 CMP A4H ;MATCH?
F56E: D0 0C 102 BNE NEXTOP ;NO, TRY NEXT OPCODE
F570: A5 44 103 LDA FMT
F572: A4 2E 104 LDY FORMAT ;GET TRIAL FORMAT
F574: C0 9D 105 CPY #$9D ;TRIAL FORMAT RELATIVE?
F576: F0 88 106 BEQ REL ;YES.
F578: C5 2E 107 NREL CMP FORMAT ;SAME FORMAT?
F57A: F0 9F 108 BEQ FINDOP ;YES.
F57C: C6 3D 109 NEXTOP DEC A1H ;NO, TRY NEXT OPCODE
F57E: D0 DC 110 BNE TRYNEXT
F580: E6 44 111 INC FMT ;NO MORE, TRY WITH LEN=2
F582: C6 35 112 DEC L ;WAS L=2 ALREADY?
F584: F0 D6 113 BEQ TRYNEXT ;NO.
F586: A4 34 114 ERR LDY YSAV ;YES, UNRECOGNIZED INST.
F588: 98 115 ERR2 TYA
F589: AA 116 TAX
F58A: 20 4A F9 117 JSR PRBL2 ;PRINT ^ UNDER LAST READ
F58D: A9 DE 118 LDA #$DE ;CHAR TO INDICATE ERROR