mirror of https://github.com/GnoConsortium/gno.git
176 lines
2.6 KiB
NASM
176 lines
2.6 KiB
NASM
*************************************************************************
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*
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* The GNO Shell Project
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*
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* Developed by:
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* Jawaid Bazyar
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* Tim Meekins
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*
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**************************************************************************
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*
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* ORCA.ASM
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* By Tim Meekins
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*
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* Builtin commands for Orca compiling/editing, etc.
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*
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**************************************************************************
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keep o/orca
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mcopy m/orca.mac
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**************************************************************************
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*
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* EDIT: builtin command
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* syntax: edit [pathname]
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*
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* Invokes an editor and edits a file.
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*
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**************************************************************************
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edit START
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waitstatus equ 0
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pid equ waitstatus+4
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editfile equ pid+2
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outpath equ editfile+4
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errcode equ outpath+4
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space equ errcode+2
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subroutine (4:argv,2:argc),space
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stz errcode
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lda argc
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cmp #2
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beq ok
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bcc toofew
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ldx #^err2
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lda #err2
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jmp error
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toofew ldx #^err1
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lda #err1
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error jsr errputs
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lda #2
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sta errcode
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jmp done
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ok lock mutex
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ldy #6 ;argv[1] -> ep.inputPath
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lda [argv],y
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pha
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ldy #4
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lda [argv],y
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pha
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jsr c2gsstr ;make it a GS/OS filename
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sta ep_inputPath
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stx ep_inputPath+2
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jsl alloc256
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sta outpath
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stx outpath+2
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sta ep_outputPath
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stx ep_outputPath+2
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lda #256
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sta [outpath]
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ExpandPath ep
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bcc ok2
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ldx #^err3
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lda #err3
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jsr errputs
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lda #-1
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sta errcode
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ldx outpath+2
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lda outpath
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jsl free256
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ph4 ep_inputpath
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jsl nullfree
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unlock mutex
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jmp done
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ok2 ph4 ep_inputpath
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jsl nullfree
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ldy #2
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lda [outpath],y
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xba
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sta [outpath],y
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add4 outpath,#3,gl ;gl.sfile
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; convert ':'s to '/'s
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lda [outpath],y
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xba
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tax
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ldy #4
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short a
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conv lda [outpath],y
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cmp #':'
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bne next
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lda #'/'
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sta [outpath],y
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next iny
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dex
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bne conv
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long a
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Set_LInfo gl ;now set up the environment
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ph4 #editorvar
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jsl getenv
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sta editfile
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stx editfile+2
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ora editfile+2
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bne gotedit
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ph4 #defedit
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jsr p2cstr
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sta editfile
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stx editfile+2
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gotedit unlock mutex
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pei (editfile+2)
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pei (editfile)
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ph2 #0 ;tells execute we're called by system
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jsl execute
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sta errcode
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ldx outpath+2
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lda outpath
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jsl free256
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pei (editfile+2)
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pei (editfile)
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jsl nullfree
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done return 2:errcode
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err1 dc c'edit: no filename specified',h'0d00'
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err2 dc c'edit: only one filename allowed',h'0d00'
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err3 dc c'edit: invalid path name',h'0d00'
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mutex key
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gl dc i4'0'
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dc i4'nullparm'
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dc i4'nullparm'
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dc i4'nullparm'
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dc i1'8'
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dc i1'0'
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dc i1'0'
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dc i1'0'
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dc i4'0'
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dc i4'$8000000'
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dc i4'0'
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ep dc i2'2'
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ep_inputPath dc i4'0'
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ep_outputPath dc i4'0'
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nullparm dc i2'0'
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editorvar dc c'editor',h'00'
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defedit str '4/editor'
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END
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