Apple ii Battery Charger User Manual


 
F6C5: 4A 57 LSR ;PREPARE CARRY FOR BC, BNC.
F6C6: 60 58 RTS ;GOTO NON-REG OP ROUTINE
F6C7: 68 59 RTNZ PLA ;POP RETURN ADDRESS
F6C8: 68 60 PLA
F6C9: 20 3F FF 61 JSR RESTORE ;RESTORE 6502 REG CONTENTS
F6CC: 6C 1E 00 62 JMP (R15L) ;RETURN TO 6502 CODE VIA PC
F6CF: B1 1E 63 SETZ LDA (R15L),Y ;HIGH-ORDER BYTE OF CONSTANT
F6D1: 95 01 64 STA R0H,X
F6D3: 88 65 DEY
F6D4: B1 1E 66 LDA (R15L),Y ;LOW-ORDER BYTE OF CONSTANT
F6D6: 95 00 67 STA R0L,X
F6D8: 98 68 TYA ;Y-REG CONTAINS 1
F6D9: 38 69 SEC
F6DA: 65 1E 70 ADC R15L ;ADD 2 TO PC
F6DC: 85 1E 71 STA R15L
F6DE: 90 02 72 BCC SET2
F6E0: E6 1F 73 INC R15H
F6E2: 60 74 SET2 RTS
F6E3: 02 75 OPTBL DFB SET-1 ;1X
F6E4: F9 76 BRTBL DFB RTN-1 ;0
F6E5: 04 77 DFB LD-1 ;2X
F6E6: 9D 78 DFB BR-1 ;1
F6E7: 0D 79 DFB ST-1 ;3X
F6E8: 9E 80 DFB BNC-1 ;2
F6E9: 25 81 DFB LDAT-1 ;4X
F6EA: AF 82 DFB BC-1 ;3
F6EB: 16 83 DFB STAT-1 ;5X
F6EC: B2 84 DFB BP-1 ;4
F6ED: 47 85 DFB LDDAT-1 ;6X
F6EE: B9 86 DFB BM-1 ;5
F6EF: 51 87 DFB STDAT-1 ;7X
F6F0: C0 88 DFB BZ-1 ;6
F6F1: 2F 89 DFB POP-1 ;8X
F6F2: C9 90 DFB BNZ-1 ;7
F6F3: 5B 91 DFB STPAT-1 ;9X
F6F4: D2 92 DFB BM1-1 ;8
F6F5: 85 93 DFB ADD-1 ;AX
F6F6: DD 94 DFB BNM1-1 ;9
F6F7: 6E 95 DFB SUB-1 ;BX
F6F8: 05 96 DFB BK-1 ;A
F6F9: 33 97 DFB POPD-1 ;CX
F6FA: E8 98 DFB RS-1 ;B
F6FB: 70 99 DFB CPR-1 ;DX
F6FC: 93 100 DFB BS-1 ;C
F6FD: 1E 101 DFB INR-1 ;EX
F6FE: E7 102 DFB NUL-1 ;D
F6FF: 65 103 DFB DCR-1 ;FX
F700: E7 104 DFB NUL-1 ;E
F701: E7 105 DFB NUL-1 ;UNUSED
F702: E7 106 DFB NUL-1 ;F
F703: 10 CA 107 SET BPL SETZ ;ALWAYS TAKEN
F705: B5 00 108 LD LDA R0L,X
109 BK EQU *-1
F707: 85 00 110 STA R0L
F709: B5 01 111 LDA R0H,X ;MOVE RX TO R0
F70B: 85 01 112 STA R0H
F70D: 60 113 RTS
F70E: A5 00 114 ST LDA R0L
F710: 95 00 115 STA R0L,X ;MOVE R0 TO RX
F712: A5 01 116 LDA R0H
F714: 95 01 117 STA R0H,X
F716: 60 118 RTS