A2osX/SCMASM.30/SCMASM.S.DISK.txt

NEW
  AUTO 3,1
*--------------------------------------
SCI.TBLADR          .EQ $AA00  Address of Command Table
SCI.LINBUF          .EQ $BC80
SCI.STARTUP         .EQ $BE00
SCI.COMMAND         .EQ $BE03
SCI.ERROR           .EQ $BE09
SCI.SLOT            .EQ $BE3C
SCI.DRIVE           .EQ $BE3D
SCI.STATE           .EQ $BE42  0=immediate, else deferred
SCI.MLI             .EQ $BE70  Call MLI, (A)=operation
SCI.RTS             .EQ $BE9E
SCI.IOB.GETSET      .EQ $BEB4  Get/Set File Info IOB
SCI.IOB.MISC        .EQ $BEC6  Misc functions IOB
SCI.IOB.OPEN        .EQ $BECB  Open IOB
SCI.IOB.RW          .EQ $BED5  Read/Write IOB
SCI.IOB.CLOSE       .EQ $BEDD  Close IOB
SCI.BUFFER.PAGES    .EQ $BEF2,3,4  Buf1, Buf2, Exec
SCI.HIMEM.PAGE      .EQ $BEFB
*--------------------------------
*      LIST SOURCE CODE ON TEXT FILE
*--------------------------------
* TEXT.OPTIONS:
*      TEXT <FILENAME>   NO LINE NUMBERS
*      TEXT#<FILENAME>   WITH LINE NUMBERS
*      TEXT%<FILENAME>   WITH TAB.CHAR
*--------------------------------
TEXT   LDX #0       00=NO LINE NUMBERS
       STX TEXT.OPTIONS
       JSR GNNB     GET NEXT NON-BLANK CHAR
       CMP #'#      TEXT # MEANS WRITE LINE NUMBERS
       BEQ .5       USE LINE NUMBERS
       CMP #'%      TEXT % MEANS WRITE CONTROL-I
       BNE .6       NEITHER, WRITE TEXT ONLY
       LDA TAB.CHAR
       STA TEXT.OPTIONS
       BNE .7       ...ALWAYS
.5     INC TEXT.OPTIONS
       BNE .7       ...ALWAYS
.6     JSR BACKUP.CHAR.PNTR
.7     LDA #1       INTO "DEFERRED" STATE
       STA SCI.STATE
       JSR SAVE.PATHNAME
       LDY #PQ.OPN
       JSR ISSUE.DOS.COMMAND
       LDY #PQ.WRT
       JSR ISSUE.DOS.COMMAND
       JSR SETUP.TEXT.POINTERS (PP --> SRCP, HIMEM --> ENDP)
.1     JSR CMP.SRCP.ENDP     END OF RANGE YET?
       BCS .4       ...YES
       JSR GET.LINE.NUMBER
       LDA TEXT.OPTIONS
       BEQ .3       NO LINE #
       BMI .2       TAB.CHAR
       JSR CONVERT.LINE.NUMBER.PRINT
       LDA #$20     SPACE AFTER LINE #
.2     JSR CHO
.3     JSR NTKN
       BNE .2
       JSR CRLF
       JMP .1
.4     LDA #0       TRUNCATE REST OF FILE
       JSR CHO
       JMP SOFT
*--------------------------------
*      .TF DIRECTIVE
*--------------------------------
*    END EXISTING .TF IF ANY
*    SET .TF FLAG ON
*
*    PASS 1:  THAT'S ALL
*
*    PASS 2:  OPEN THE FILE, WITH T=BIN
*             SET MARK=EOF=0
*             SET STARTING ADDRESS IN FILE-INFO
*             WRITE START ADDRESS AND LENGTH
*--------------------------------
PSTF   JSR TFEND    CLOSE EXISTING TF IF ANY
       SEC
       ROR TF.FLAG  SET FLAG ON
       JSR LIST.LINE.BOTH.PASSES
       LDA PASS     WHICH PASS?
       BEQ .9       ...PASS 1, EXIT NOW
       JSR SAVE.PATHNAME
       LDY #PQ.OPN
       JSR ISSUE.DOS.COMMAND
*---Empty the file now-----------
       LDA #0
       STA SCI.IOB.MISC+2
       STA SCI.IOB.MISC+3
       STA SCI.IOB.MISC+4
       LDA SCI.IOB.OPEN+5  REFNUM FOR TARGET FILE
       STA TF.PRM   TARGET FILE REF. NUM.
       STA SCI.IOB.MISC+1
       LDA #$CE     SET MARK
       JSR SCI.MLI
       BCS JMP.PRODOS.ERR   ...ERROR 
       LDA #$D0     SET EOF
       JSR SCI.MLI
       BCS JMP.PRODOS.ERR   ...ERROR
*---Get current file info--------
       LDA #10
       STA SCI.IOB.GETSET
       LDA #$C4     GET FILE INFO
       JSR SCI.MLI
       BCS JMP.PRODOS.ERR   ...ERROR
*---Set proper file info---------
       LDA #7       change IOB for set.file.info
       STA SCI.IOB.GETSET
       LDA SCI.IOB.GETSET+4  current file type
       CMP #$04     is it type TXT?
       BEQ .9       ...yes, make no changes
       LDX #$2000   if type is SYS ($FF), force A=$2000
       LDY /$2000
       CMP #$FF     is it type SYS?
       BEQ .3       ...yes
       LDX ORGN     all other types, A=origin
       LDY ORGN+1
.3     STX SCI.IOB.GETSET+5  new AuxType
       STY SCI.IOB.GETSET+6
       LDA #$C3     SET FILE INFO
       JSR SCI.MLI
       BCS JMP.PRODOS.ERR   ...ERROR
.9     JMP ASM2     ...CONTINUE ASSEMBLY
*--------------------------------
JMP.PRODOS.ERR JMP PRODOS.ERROR
*--------------------------------
* OUTPUT (A) TO ALREADY OPENED DISK FILE
*--------------------------------
DOUT   BIT DUMMY.FLAG
       BMI .3       No output inside DUMMY section
       STA TF.BUF   Save in buffer outside zero-page
       STX TF.SVX
       LDX #4       copy parms to SCI parmblock
.1     LDA TF.PRM,X
       STA SCI.IOB.RW+1,X
       DEX
       BPL .1       ...until all copied
       LDA #$CB     Write command code
       JSR SCI.MLI
       BCS JMP.PRODOS.ERR
       LDX TF.SVX
       LDA OBJ.BYTE
.3     RTS
*
TF.SVX .BS 1
TF.BUF .BS 1
TF.PRM .DA #*-*,TF.BUF,1
*--------------------------------
* TFEND - FINISH OFF A .TF SECTION
*  CALLED FROM:  .TF, .TA, .OR, .EN PROCESSORS
*
*  IF NOT IN .TF NOW, RETURN IMMEDIATELY
*  CLEAR .TF FLAG
*  PASS 1 - THAT'S ALL TO DO
*  PASS 2 - CLOSE FILE
*--------------------------------
TFEND  ASL TF.FLAG  TEST AND CLEAR FLAG SIMULTANEOUSLY
       BCC .1       ...TF NOT ACTIVE, DO NOTHING
       LDA PASS
       BNE CLOSE.FILES   ...PASS 2
.1     RTS
*--------------------------------
CLOSE.FILES
       LDY #PQ.CLS
       .HS 2C
FP     LDY #PQ.FP
       LDA #0
       STA PATHNAME
*--------------------------------
*      ISSUE DOS COMMAND WITH FILE NAME
*      (Y)=QUOTE OFFSET FOR COMMAND
*
*      SAVES AND RESTORES CHARACTER POINTER
*      SO THAT FILE NAME CAN BE USED AGAIN.
*--------------------------------
ISSUE.DOS.COMMAND
       LDX #$7F     SAVE WBUF (0-127)
.1     LDA WBUF,X
       STA SCI.LINBUF,X
       DEX
       BPL .1
.2     INX          COPY PATHNAME INTO WBUF (5...)
       LDA PATHNAME,X
       STA WBUF+5,X
       BNE .2
       TAX          X=0
.3     INX          COPY COMMAND INTO WBUF (0...)
       INY
       LDA PQTS-1,Y
       STA WBUF-1,X
       BPL .3
       STX SCI.STATE    ALLOW DEFERRED COMMANDS
       JSR PASS.CMD.TO.PRODOS
       LDX #$7F     RESTORE WBUF (0-127)
.4     LDA SCI.LINBUF,X
       STA WBUF,X
       DEX
       BPL .4
       RTS
*--------------------------------
SAVE.PATHNAME
       LDX #0
.1     CPX #49
       BCS .2
       JSR GNNB
       BCC .3
.2     LDA #0
.3     STA PATHNAME,X
       INX
       BCC .1
       RTS
*--------------------------------
PQTS   .EQ *
PQ.CLS .EQ *-PQTS
       .AT /CLOSE/
PQ.OPN .EQ *-PQTS
       .AT /OPEN /
PQ.WRT .EQ *-PQTS
       .AT /WRITE/
PQ.LOD .EQ *-PQTS
       .AT /LOAD /
PQ.FP  .EQ *-PQTS
       .AS /-BASIC.SYSTEM/
       .HS 00FF
*--------------------------------------
MAN
SAVE usr/src/scmasm.30/scmasm.s.disk
LOAD usr/src/scmasm.30/scmasm.s
ASM