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ob2src
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ob2src
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.PAG 'CLOSE-LOAD-OPEN'
CLOSE JSR PARS2
LDA LA
CLOS5 ;DOUBLE LABEL
FCLOSE JSR JLTLK
BNE JX170
CLOS10 JSR JZ100
TXA
PHA
LDA FA
BEQ JX150
CMP #3
BEQ JX150
BCS JX120
LDA SA ;READ?
BEQ JX150 ;YES
JSR ZZZ ;NO .IT IS WRITE
LDX #2
LF2EA LDA LF304,X
JSR BO21
DEX
BPL LF2EA
JSR WBLK ;EMPTY LAST BUFFER
LDA SA
CMP #$02 ;WRITE END OF TAPE BLOCK
BNE JX150
LDA #EOT ;YES
JSR TAPEH
JMP JX150
LF304 .BYT $D,'1',0
JX120 JSR CLSE1
;
;ENTRY TO REMOVE A GIVE LOGICAL FILE
;FROM TABLE OF LOGICAL, PRIMARY,
;AND SECONDARY ADDRESSES
;
JX150 PLA
TAX
DEC LDTND
CPX LDTND
BEQ JX170
LDY LDTND
LDA LAT,Y
STA LAT,X
LDA FAT,Y
STA FAT,X
LDA SAT,Y
STA SAT,X
JX170 RTS
STOP1 LDA STKEY
CMP #$EF
BNE STOP2
PHP
LDA #0
STA NDX
PLP
STOP2 RTS
STOP JSR STOP1
JMP BSTOP
SPMSG LDA TXTPTR+1
BNE STOP2
JMP MSG
LOAD LDA #0
STA VERCK
LD10 JSR PARS1 ***VERIFY ENTRY
LOADNP LDA #$FF
LD11 CMP STKEY
BNE LD11
CMP STKEY
BNE LD11
LDA #>$0400
STA STAH
LDA #<$0400
STA STAL
LDA FA
BNE *+5
LD20 JMP SNERR
CMP #3
BEQ LD20
BCC LD100
JSR LF71C
JSR LD300
JSR OPENI
JSR TALK
LD30 JSR LD400
.SKI
LD40 JSR STOP ;EXIT ON STOP KEY
JSR ACPTR ;GET BYTE OFF IEEE
LDX SATUS
BMI LF3CC
.SKI
LDY VERCK ;PERFORMING VERIFY?
BEQ LD50 ;NO...A LOAD
DEY ;.Y IS A 1...MAKE IT 0
CMP (STAL)Y ;COMPARE TO MEMORY
BEQ LD60 ;VERIFIES O.K.
;LDX #SPERR ;NO GOOD... VERIFY ERROR
LDX #$02 ;NO GOOD... VERIFY ERROR
STX SATUS
BNE LD60
LD50 STA (STAL)Y
LD60 INC STAL ;INCREMENT POINTER
BNE LD40
INC STAH
JMP LD40
.SKI
LD100 JSR ZZZ
JSR CSTE1
JSR LD300
LD112 LDA FNLEN
BEQ LD150
JSR FAF
BNE LD170
LD120 JMP OP160
LD150 JSR FAH
BEQ LD120
LD170 CPX #BLF
BNE LD112
JSR LDAD2
JSR LD400
JSR TRD
LF3CC LDA VERCK
BNE LD115
JSR TWAIT
LDA SATUS
AND #SPERR
BEQ LD210
LDY #0
STY NDX
LDY #MS22-MS1
JMP ERMSG
LD210 LDY #MS19-MS1
JSR SPMSG
LDA TXTPTR+1
BNE LD205
LDA EAH
STA VARTAB+1
LDA EAL
STA VARTAB
JMP FINI
LD205 JSR STXTPT
JMP FLOAD
LD300 LDA TXTPTR+1
BNE LD115
LDY #MS5-MS1
JSR MSG
LDA FNLEN
BEQ LD115
LDY #MS6-MS1
JSR MSG
LD105 LDY FNLEN
BEQ LD115
LDY #0
LD110 LDA (FNADR)Y
JSR PRT
INY
CPY FNLEN
BNE LD110
LD115 RTS
LD400 LDY #MS10-MS1
LDA VERCK
BEQ LD410
LDY #MS21-MS1
LD410 JSR SPMSG
LDY #MS20-MS1
JMP SPMSG
;USES BASIC ROUTINES TO PARSE
;LOAD,SAVE,VERIFY STATEMENTS
; LOAD
; (FILE NAME OPTION)
; (OPT DEVICE #) DFLT=1
; (EOT CMD) DFLT=0=NO
PARS1 LDX #0
STX SATUS
STX EAL
STX FNLEN
STX SA
INX
STX FA
LDA #$04
STX EAH ;Ist das nicht ein Fehler?
JSR PR140
JSR PR200
JSR PR140
JSR PR070
STX FA
JSR PR140
JSR PR070
STX SA
PR060 RTS
PR070 JSR PR150
JMP GETBYT
OPENI LDA SA
BMI PR060
LDY FNLEN
BEQ PR060
JSR LISTN
LDA SA
ORA #$40
STA SA
ORA #$F0
OPENIB JSR SECND
LDA SATUS
BPL OP35
OP37 LDY #MS13-MS1
JMP ERMSG
OP35 LDA FNLEN
BEQ OP45
LDY #0
OP40 LDA (FNADR)Y
JSR CIOUT
INY
CPY FNLEN
BNE OP40
OP45 JMP UNLSN
FAF JSR FAH
BEQ FAF40
LDY #5
STY T2
LDY #0
STY T1
FAF20 CPY FNLEN
BEQ FAF30
LDA (FNADR)Y
LDY T2
CMP (TBUF)Y
BNE FAF
INC T1
INC T2
LDY T1
BNE FAF20
FAF30 TYA
FAF40 RTS
VER LDA #1
STA VERCK
JSR LD10
LDA SATUS
AND #SPERR
BEQ VER10
LDY #MS12-MS1
JMP ERMSG
VER10 LDY #MS18-MS1
JMP MSG
;USES BASIC ROUTINES TO PARSE
;OPEN,CLOSE
; OPEN LFN (NO DEFAULT)
; DEV # (DFLT=1)
; 2ND ADR (DFLT=0 OR NONE)
; FILE NM STRNG (DEF=NUL)
PARS2 LDX #0
STX SA
STX SATUS
STX FNLEN
INX
STX FA
JSR PR130
JSR GETBYT
STX LA
JSR PR140
JSR PR070
STX FA
CPX #3
BCC PR100
DEC SA
PR100 JSR PR140
JSR PR070
STX SA
JSR PR140
JSR PR150
PR200 JSR FRMEVL
JSR FRESTR
STA FNLEN
LDA INDEX1
STA FNADR
LDA INDEX1+1
STA FNADR+1
RTS
PR140 JSR CHRGOT
BNE PR147
PLA
PLA
PR147 RTS
PR150 LDA #',
JSR SYNCHR
PR130 JSR CHRGOT
BNE PR147
JMP SNERR
OPEN JSR PARS2
LDA LA
FOPEN BNE OP98
JMP SNERR
OP98 JSR JLTLK
BNE OP100
LDY #MS2-MS1
LF53B BNE ERMSG
OP100 LDX LDTND
LDY #0
STY SATUS
CPX #10
BEQ LF53B
INC LDTND
;STORE GPEN FILE PARMS INTO TABLE
LDA LA
STA LAT,X
LDA SA
STA SAT,X
LDA FA
STA FAT,X
BEQ OP175
CMP #3
BEQ OP175
BCC OP150
JMP OPENI
OP150 LDA SA
BNE OP200
JSR CSTE1
JSR LD300
LDA FNLEN
BEQ OP170
JSR FAF
BNE OP171
OP160 LDY #MS4-MS1
ERMSG LDA #$D
JSR PRT
LDA #$3F
JSR PRT
JSR MSG
JMP TYPERR
OP170 JSR FAH
BEQ OP160
BNE OP171
OP200 JSR CSTE2
LDA #BDFH
JSR TAPEH
OP171 LDX FA
LDA #BUFSZ-1
LDY SA
BEQ OP172
JSR LF5E3
LDA #BDF
STA (TBUF)Y
TYA
OP172 STA BUFPT-1,X
OP175 RTS
.FILE OB3SRC