Apple II User Manual
1038 E64F 20 13 EA JSR CRLOW
1039 E652 20 3E E8 SH1 JSR BLANK
1040 E655 BE 00 01 LDX BKS,Y ;ADDRESS OF NEXT BREAKPOINT
1040 E655 BE 00 01 LDX BKS,Y ;ADDRESS OF NEXT BREAKPOINT
1041 E658 B9 01 01 LDA BKS+1,Y
1042 E65B 20 42 EA JSR WRAX ;SHOW BREAKPOINT ADDRESS
1042 E65B 20 42 EA JSR WRAX ;SHOW BREAKPOINT ADDRESS
1043 E65E C8 INY
1044 E65F C8 INY
1044 E65F C8 INY
1045 E660 C0 08 CPY #8
1046 E662 D0 EE BNE SH1
1046 E662 D0 EE BNE SH1
1047 E664 60 RTS
1048 E665
1048 E665
1049 E665 ;***** H COMMAND-SHOW TRACE STACK HISTORY *****
1050 E665 ;LAST FIVE INSTR ADDRS
1050 E665 ;LAST FIVE INSTR ADDRS
1051 E665 A2 05 SHIS LDX #5 ;NUMBER OF ENTRIES
1052 E667 8E 29 A4 STX STIY+2
1052 E667 8E 29 A4 STX STIY+2
1053 E66A AC 14 A4 SH11 LDY HISTP ;POINTER TO LATEST ENTRY
1054 E66D 20 13 EA JSR CRLOW
1054 E66D 20 13 EA JSR CRLOW
1055 E670 20 3E E8 JSR BLANK
1056 E673 B9 2E A4 LDA HIST,Y ;OUTPUT ADDRESS OF ENTRY
1056 E673 B9 2E A4 LDA HIST,Y ;OUTPUT ADDRESS OF ENTRY
1057 E676 20 46 EA JSR NUMA
1058 E679 B9 2F A4 LDA HIST+1,Y
1058 E679 B9 2F A4 LDA HIST+1,Y
1059 E67C 20 46 EA JSR NUMA
1060 E67F 20 88 E6 JSR NHIS ;UPDATE POINTER
1060 E67F 20 88 E6 JSR NHIS ;UPDATE POINTER
1061 E682 CE 29 A4 DEC STIY+2
1062 E685 D0 E3 BNE SH11
1062 E685 D0 E3 BNE SH11
1063 E687 60 RTS
1064 E688
1064 E688
1065 E688 ;UPDATE HISTORY POINTER (PART OF H)
1066 E688 C8 NHIS INY
1066 E688 C8 NHIS INY
1067 E689 C8 INY
1068 E68A C0 0A CPY #10
1068 E68A C0 0A CPY #10
1069 E68C D0 02 BNE NH1
1070 E68E A0 00 LDY #0 ;WRAPAROUND AT 10
1070 E68E A0 00 LDY #0 ;WRAPAROUND AT 10
1071 E690 8C 14 A4 NH1 STY HISTP
1072 E693 60 RTS
1072 E693 60 RTS
1073 E694
1074 E694 ;***** 3 COMMAND-VERIFY TAPES *****
1074 E694 ;***** 3 COMMAND-VERIFY TAPES *****
1075 E694 ;VERIFY CKSUM OF BLOCKS
1076 E694 20 48 E8 VECKSM JSR WHEREI ;GET THE FILE
1076 E694 20 48 E8 VECKSM JSR WHEREI ;GET THE FILE
1077 E697 20 93 E9 JSR INALL ;CHCK OBJ OR SOURCE
1078 E69A C9 0D CMP #CR ;FIRST CHR IS <CR> IF OBJ
1078 E69A C9 0D CMP #CR ;FIRST CHR IS <CR> IF OBJ
1079 E69C D0 0E BNE VECK2 ;ASSUME SOURCE CODE
1080 E69E 20 93 E9 VECK1 JSR INALL ;OBJECT FILE
1080 E69E 20 93 E9 VECK1 JSR INALL ;OBJECT FILE
1081 E6A1 C9 3B CMP #SEMICOLON
1082 E6A3 D0 F9 BNE VECK1 ;IGNORE ALL CHARS BEFORE ';'
1082 E6A3 D0 F9 BNE VECK1 ;IGNORE ALL CHARS BEFORE ';'
1083 E6A5 20 93 E9 JSR INALL
1084 E6A8 4C 60 FF JMP PAT20
1084 E6A8 4C 60 FF JMP PAT20
1085 E6AB EA NOP
1086 E6AC 20 93 E9 VECK2 JSR INALL ;IT IS TEXT
1086 E6AC 20 93 E9 VECK2 JSR INALL ;IT IS TEXT
1087 E6AF C9 0D CMP #CR
1088 E6B1 D0 F9 BNE VECK2
1088 E6B1 D0 F9 BNE VECK2
1089 E6B3 20 93 E9 JSR INALL ;NEED TO <CR> TO FINISH
1090 E6B6 C9 0D CMP #CR
1090 E6B6 C9 0D CMP #CR
1091 E6B8 D0 F2 BNE VECK2
1092 E6BA 4C 20 E5 JMP DU13 ;CLOSE FILE, IT IS OKAY
1092 E6BA 4C 20 E5 JMP DU13 ;CLOSE FILE, IT IS OKAY
1093 E6BD
1094 E6BD ;***** 1 COMMAND-TOGGLE TAPE 1 CONTROL *****
1094 E6BD ;***** 1 COMMAND-TOGGLE TAPE 1 CONTROL *****
1095 E6BD AD 00 A8 TOGTA1 LDA DRB
1096 E6C0 49 10 EOR #$10 ;INVERT PB4
1096 E6C0 49 10 EOR #$10 ;INVERT PB4
1097 E6C2 8D 00 A8 STA DRB
1098 E6C5 29 10 AND #$10
1098 E6C5 29 10 AND #$10
1099 E6C7 F0 28 BEQ BRK3 ;IF 0 TAPE CNTRL IS ON