mirror of
https://github.com/A2osX/A2osX.git
synced 2024-11-29 17:50:18 +00:00
654 lines
13 KiB
Plaintext
654 lines
13 KiB
Plaintext
NEW
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AUTO 3,1
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.LIST OFF
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.OP 65C02
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.OR $2000
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.TF bin/csh
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*--------------------------------------
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.INB inc/macros.i
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.INB inc/a2osx.i
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.INB inc/mli.i
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.INB inc/mli.e.i
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*--------------------------------------
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CSH.T.VOID .EQ 0
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CSH.T.UCHAR .EQ 1
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CSH.T.SCHAR .EQ 2
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CSH.T.UINT .EQ 3
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CSH.T.SINT .EQ 4
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CSH.T.ULONG .EQ 5
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CSH.T.SLONG .EQ 6
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CSH.T.FLOAT .EQ 7
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CSH.T.VARIADIC .EQ $FF
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*--------------------------------------
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CSH.Q.POINTER .EQ %01000000
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CSH.Q.PPOINTER .EQ %10000000
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CSH.Q.PPPOINTER .EQ %11000000
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CSH.Q.PCONST .EQ %00100000
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CSH.Q.CONST .EQ %00010000
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CSH.Q.FUNC .EQ %00001000
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*--------------------------------------
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* Zero Page Segment, up to 32 bytes
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*--------------------------------------
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.DUMMY
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.OR ZPBIN
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ZS.START
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ZPCSHCode .BS 2
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ZPCSHConst .BS 2
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ZPCSHData .BS 2
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ZPCSHStack .BS 2
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ZPVarID .BS 2
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ZPVarDef .EQ *
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ZPVarType .BS 1
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ZPVarQual .BS 1
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ZPVarSizeOf .BS 2
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ZPVarDataPtr .BS 2
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ZPInputBufPtr .BS 2
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bFastCall .BS 1
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bCompil .BS 1
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hDefine .BS 1
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hInclude .BS 1
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ZPPtr1 .BS 2
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ZPPtr2 .BS 2
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ZPPtr3 .BS 2
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ArgIndex .BS 1
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ZS.END .ED
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*--------------------------------------
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* File Header (16 Bytes)
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*--------------------------------------
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CS.START cld
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jmp (.1,x)
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.DA #$61 6502,Level 1 (65c02)
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.DA #1 BIN Layout Version 1
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.DA #0 S.PS.F.EVENT
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.DA #0
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.DA CS.END-CS.START Code Size (without Constants)
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.DA DS.END-DS.START Data SegmentSize
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.DA #64 Stack Size
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.DA #ZS.END-ZS.START Zero Page Size
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.DA 0
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*--------------------------------------
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* Relocation Table
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*--------------------------------------
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.1 .DA CS.INIT
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.DA CS.RUN
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.DA CS.DOEVENT
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.DA CS.QUIT
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L.MSG.GREETINGS .DA MSG.GREETINGS
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L.MSG.USAGE .DA MSG.USAGE
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L.MSG.ECHOCRLF .DA MSG.ECHOCRLF
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L.MSG.DEBUG .DA MSG.DEBUG
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L.MSG.ERR .DA MSG.ERR
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L.ENV.INCLUDE .DA ENV.INCLUDE
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L.CSH.BOPS .DA CSH.BOPS
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J.CSH.BOPS .DA CSH.BOPS.MUL
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.DA CSH.BOPS.DIV
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.DA CSH.BOPS.MOD
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.DA CSH.BOPS.ADD
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.DA CSH.BOPS.SUB
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.DA CSH.BOPS.SHL
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.DA CSH.BOPS.SHR
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.DA CSH.BOPS.L
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.DA CSH.BOPS.LE
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.DA CSH.BOPS.G
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.DA CSH.BOPS.GE
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.DA CSH.BOPS.EQ
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.DA CSH.BOPS.NE
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.DA CSH.BOPS.AND
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.DA CSH.BOPS.OR
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.DA CSH.BOPS.EOR
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.DA CSH.BOPS.LAND
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.DA CSH.BOPS.LOR
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L.CSH.FN .DA CSH.FN
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L.CSH.DIRS .DA CSH.DIRS
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L.CSH.KW .DA CSH.KW
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L.CSH.MTYPES .DA CSH.MTYPES
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L.CSH.TYPES .DA CSH.TYPES
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L.CSH.FTYPES .DA CSH.FTYPES
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J.CSH.DIRS .DA CSH.DIR.DEFINE
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.DA CSH.DIR.INCLUDE
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J.CSH.KW .DA CSH.IF
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.DA CSH.WHILE
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.DA CSH.ELSE
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.DA CSH.DO
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.DA CSH.FOR
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.DA CSH.SWITCH
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.DA CSH.CASE
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.DA CSH.BREAK
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.DA CSH.CONTINUE
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.DA CSH.SIZEOF
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*--------------------------------------
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.DA CSH.TYPEDEF
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.DA CSH.STRUCT
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*--------------------------------------
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J.CSH.MTYPES .DA CSH.CONST
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.DA CSH.SIGNED
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.DA CSH.UNSIGNED
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.DA CSH.SHORT
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J.CSH.TYPES .DA CSH.VOID
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.DA CSH.CHAR
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.DA CSH.INT
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.DA CSH.LONG
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.DA CSH.FLOAT
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J.CSH.UTYPES .DA CSH.UCHAR
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.DA CSH.UINT
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.DA CSH.ULONG
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J.CSH.STYPES .DA CSH.SCHAR
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.DA CSH.SINT
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.DA CSH.SLONG
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J.CSH.KW.END .DA CSH.IF.END
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.DA CSH.WHILE.END
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*--------------------------------------
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J.CSH.EXEC .DA EXEC.log
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.DA EXEC.sqr
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.DA EXEC.exp
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.DA EXEC.cos
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.DA EXEC.sin
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.DA EXEC.tan
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.DA EXEC.atan
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.DA EXEC.getchar
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.DA EXEC.puts
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.DA EXEC.execl
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.DA EXEC.printf
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.DA EXEC.putenv
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.DA EXEC.setenv
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.DA EXEC.getenv
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.DA EXEC.unsetenv
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.DA EXEC.MD5
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.DA EXEC.malloc
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.DA 0
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*--------------------------------------
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* Called once at process creation
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* Put code for loading LIB here
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*--------------------------------------
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CS.INIT clc
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CS.INIT.RTS rts
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*--------------------------------------
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* Called until exit with CS
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* if RUN exits with CC, RN entered again
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*--------------------------------------
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CS.RUN >PUSHW L.MSG.GREETINGS
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>PUSHW A2osX.KVER
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>PUSHBI 2
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>SYSCALL PrintF
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bcs CS.INIT.RTS
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jsr CS.RUN.ARGS
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bcs CS.INIT.RTS
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jsr CSH.Init
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bcs CS.INIT.RTS
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.1 >SLEEP
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>LDA.G bDebug
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bpl .2
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jsr PrintDebugMsg
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.2 >LDA.G bTrace
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bpl .3
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>LDYA ZPInputBufPtr
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jsr PrintTraceMsg
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.3 jsr CSH.Run
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bcc .1
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cmp #MLI.E.EOF
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beq .8
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pha
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jsr PrintErrMsg
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pla
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sec
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rts
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.8 lda #0 Exit Code = Success
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sec
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rts
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*--------------------------------------
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CS.RUN.ARGS inc ArgIndex
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lda ArgIndex
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>SYSCALL ArgV
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bcs .7
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>STYA ZPPtr1
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lda (ZPPtr1)
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cmp #'-'
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bne .4
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ldy #1
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lda (ZPPtr1),y
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ldx #OptionVars-OptionList-1
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.1 cmp OptionList,x
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beq .2
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dex
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bpl .1
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bra .90
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.2 ldy OptionVars,x
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lda #$ff
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sta (pData),y
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bra CS.RUN.ARGS
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.4 >LDA.G hFileBuf
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bne .90
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>LDYA ZPPtr1
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jsr CS.RUN.LoadFile
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bcs .9
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>STYA ZPInputBufPtr
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txa
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>STA.G hFileBuf
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bra CS.RUN.ARGS
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.7 >LDA.G hFileBuf
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beq .90
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clc
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.9 rts
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.90 >PUSHW L.MSG.USAGE
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>PUSHBI 0
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>SYSCALL PrintF
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lda #E.SYN
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sec QUIT Process
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rts
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*--------------------------------------
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CS.RUN.LoadFile >SYSCALL LoadTxtFile
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bcs .9
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phx
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txa
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>SYSCALL GetMemPtr
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plx
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.9 rts
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*--------------------------------------
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CS.DOEVENT sec
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rts
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*--------------------------------------
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CS.QUIT jsr CSH.Quit
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clc
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rts
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*--------------------------------------
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PrintErrMsg lda hDefine
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beq .10
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>LDYA.G CSH.SaveDefine
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>STYA ZPInputBufPtr
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.10 lda hInclude
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beq .11
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bra .12
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.11 >LDA.G hFileBuf
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.12 >SYSCALL GetMemPtr
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>STYA ZPPtr1
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stz ZPPtr2
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stz ZPPtr2+1 Line counter
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.1 inc ZPPtr2
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bne .2
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inc ZPPtr2+1
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.2 >LDYA ZPPtr1
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>STYA ZPPtr3 save line start
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.20 lda (ZPPtr1)
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beq .4 EoF
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inc ZPPtr1
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bne .3
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inc ZPPtr1+1
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.3 cmp #C.CR
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bne .20 Scan until EoL
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ldx ZPPtr1
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cpx ZPInputBufPtr
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lda ZPPtr1+1
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sbc ZPInputBufPtr+1
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bcc .1 not this line....
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.4 >LDA.G bTrace
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bmi .5
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jsr PrintTraceMsg.3
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.5 lda ZPPtr3
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cmp ZPInputBufPtr
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bne .6
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lda ZPPtr3+1
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cmp ZPInputBufPtr+1
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beq .8
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.6 >PUSHBI '-'
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ldy #S.PS.hStdErr
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lda (pPS),y
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>SYSCALL FPutC
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inc ZPPtr3
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bne .5
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inc ZPPtr3+1
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bra .5
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.8 ldy #S.PS.hStdErr
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lda (pPS),y
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>PUSHA
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>PUSHW L.MSG.ERR
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>PUSHW ZPPtr2 Line counter
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>PUSHBI 2
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>SYSCALL FPrintF
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rts
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*--------------------------------------
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PrintDebugMsg >LDYA pStack
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>STYA ZPPtr2
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>PUSHW L.MSG.DEBUG
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>PUSHW ZPPtr2
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>PUSHBI 2
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>SYSCALL PrintF
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rts
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*--------------------------------------
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PrintTraceMsg >STYA ZPPtr3
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PrintTraceMsg.3 >PUSHBI '>'
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ldy #S.PS.hStdErr
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lda (pPS),y
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>SYSCALL FPutC
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ldy #$ff
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.1 iny
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lda (ZPPtr3),y
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beq .8
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cmp #C.CR
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beq .8
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phy
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>PUSHA
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ldy #S.PS.hStdErr
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lda (pPS),y
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>SYSCALL FPutC
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ply
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bra .1
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.8 ldy #S.PS.hStdErr
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lda (pPS),y
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>PUSHA
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>PUSHW L.MSG.ECHOCRLF
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>PUSHBI 0
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>SYSCALL FPrintF
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rts
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*--------------------------------------
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.INB usr/src/bin/csh.s.core
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.INB usr/src/bin/csh.s.dir
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.INB usr/src/bin/csh.s.kw
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.INB usr/src/bin/csh.s.exp
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.INB usr/src/bin/csh.s.exec
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*--------------------------------------
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CS.END
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*--------------------------------------
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* Initialized DATA
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*--------------------------------------
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MSG.GREETINGS .AZ "\r\nCSH-Shell %d.%d\r\n\r\n"
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MSG.USAGE .AS "Usage : CSH <option> file\r\n"
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.AS " -D : Debug Mode\r\n"
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.AS " -T : Trace On"
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MSG.ECHOCRLF .AZ "\r\n"
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MSG.DEBUG .AZ "pStack=%H"
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MSG.ERR .AZ "^\r\nLine #%D:"
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*--------------------------------------
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ENV.INCLUDE .AZ "INCLUDE"
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*--------------------------------------
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OptionList .AS "DdTt"
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OptionVars .DA #bDebug,#bDebug,#bTrace,#bTrace
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*--------------------------------------
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*--------------------------------------
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CSH.OPChars .AS "!~+-*/%=&|^<>"
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CSH.OPChars.Cnt .EQ *-CSH.OPChars
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*--------------------------------------
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* Pre Operators: + - ! ~ ++ --
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*--------------------------------------
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CSH.PREOPS >PSTR "+"
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>PSTR "-"
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>PSTR "!"
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>PSTR "~"
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*--------------------------------------
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* Post Operators: ++ --
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*--------------------------------------
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CSH.POSTOPS >PSTR "++"
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>PSTR "--"
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.HS 00
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*--------------------------------------
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* Assignment Operators: = += -= *= /= %= <<= >>= &= ^= |=
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*--------------------------------------
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CSH.AOPS >PSTR "="
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>PSTR "+="
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>PSTR "-="
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>PSTR "*="
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>PSTR "/="
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>PSTR "%="
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>PSTR "<<="
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>PSTR ">>="
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>PSTR "&="
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>PSTR "^="
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>PSTR "!="
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.HS 00
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*-- Binary ---- H to L precedence -----
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* Arithmetic Operators: * / %
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* Arithmetic Operators: + -
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* Shift Operators: << >>
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* Relational Operators: < > >= < >= == !=
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* Bitwise Operators: & | ^ ~
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* Logical Operators: && ||
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*--------------------------------------
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CSH.BOPS >PSTR "*"
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>PSTR "/"
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>PSTR "%"
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>PSTR "+"
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>PSTR "-"
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>PSTR "<<"
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>PSTR ">>"
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>PSTR "<"
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>PSTR "<="
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>PSTR ">"
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>PSTR ">="
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>PSTR "=="
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>PSTR "!="
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>PSTR "&"
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>PSTR "|"
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>PSTR "^"
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>PSTR "&&"
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>PSTR "||"
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.HS 00
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*--------------------------------------
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CSH.Type2FPU .DA #FPU.wMUL,#FPU.iMUL,#FPU.uMUL,#FPU.lMUL,FPU.fMUL
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*--------------------------------------
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* Reserved Directives:
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*--------------------------------------
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CSH.DIRS >PSTR "define"
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>PSTR "include"
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.HS 00
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*--------------------------------------
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* Reserved Keywords:
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*--------------------------------------
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CSH.KW >PSTR "if"
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>PSTR "while"
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>PSTR "else"
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>PSTR "do"
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>PSTR "for"
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>PSTR "switch"
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>PSTR "case"
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>PSTR "break"
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>PSTR "continue"
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>PSTR "sizeof"
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>PSTR "typedef"
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>PSTR "struct"
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CSH.MTYPES >PSTR "const" ALL
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>PSTR "signed" char,int,long
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>PSTR "unsigned" char,int,long
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>PSTR "short" int
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CSH.TYPES >PSTR "void"
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>PSTR "char"
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>PSTR "int"
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>PSTR "long"
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>PSTR "float"
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.HS 00
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*--------------------------------------
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CSH.FTYPES >PSTR "fastcall"
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* .HS 00
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*--------------------------------------
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CSH.TYPESIZE .HS 0001010202040405
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*--------------------------------------
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CSH.FN
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* float cos ( float x );
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>PSTR "log"
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.DA #CSH.T.FLOAT returned value
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.DA #CSH.T.FLOAT
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.DA #0
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>PSTR "sqr"
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.DA #CSH.T.FLOAT returned value
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.DA #CSH.T.FLOAT
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.DA #0
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>PSTR "exp"
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.DA #CSH.T.FLOAT returned value
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.DA #CSH.T.FLOAT
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.DA #0
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>PSTR "cos"
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.DA #CSH.T.FLOAT returned value
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.DA #CSH.T.FLOAT
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.DA #0
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>PSTR "sin"
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.DA #CSH.T.FLOAT returned value
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.DA #CSH.T.FLOAT
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.DA #0
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>PSTR "tan"
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.DA #CSH.T.FLOAT returned value
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.DA #CSH.T.FLOAT
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.DA #0
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>PSTR "atan"
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.DA #CSH.T.FLOAT returned value
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.DA #CSH.T.FLOAT
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.DA #0
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* char getchar ( void );
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>PSTR "getchar"
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.DA #CSH.T.UCHAR returned value
|
||
.DA #0
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* int puts ( const char * str );
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||
>PSTR "puts"
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.DA #CSH.T.SINT returned value
|
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.DA #CSH.Q.CONST+CSH.Q.POINTER+CSH.T.UCHAR
|
||
.DA #0
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* int execl(const char* cmdline, short int flags);
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||
>PSTR "execl"
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.DA #CSH.T.SINT returned value
|
||
.DA #CSH.Q.CONST+CSH.Q.POINTER+CSH.T.UCHAR
|
||
.DA #CSH.T.UCHAR
|
||
.DA #0
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||
* int printf ( const char * format, ... );
|
||
>PSTR "printf"
|
||
.DA #CSH.T.SINT returned value
|
||
.DA #CSH.Q.CONST+CSH.Q.POINTER+CSH.T.UCHAR
|
||
.DA #CSH.T.VARIADIC
|
||
.DA #0
|
||
* int putenv(const char *string);
|
||
>PSTR "putenv"
|
||
.DA #CSH.T.SINT returned value
|
||
.DA #CSH.Q.CONST+CSH.Q.POINTER+CSH.T.UCHAR
|
||
.DA #0
|
||
* int setenv(const char *name, const char *value);
|
||
>PSTR "setenv"
|
||
.DA #CSH.T.SINT returned value
|
||
.DA #CSH.Q.CONST+CSH.Q.POINTER+CSH.T.UCHAR
|
||
.DA #CSH.Q.CONST+CSH.Q.POINTER+CSH.T.UCHAR
|
||
.DA #0
|
||
* char *getenv(const char *name, char *value);
|
||
>PSTR "getenv"
|
||
.DA #CSH.Q.POINTER+CSH.T.UCHAR
|
||
.DA #CSH.Q.CONST+CSH.Q.POINTER+CSH.T.UCHAR
|
||
.DA #CSH.Q.POINTER+CSH.T.UCHAR
|
||
.DA #0
|
||
* int unsetenv(const char *name);
|
||
>PSTR "unsetenv"
|
||
.DA #CSH.T.SINT returned value
|
||
.DA #CSH.Q.CONST+CSH.Q.POINTER+CSH.T.UCHAR
|
||
.DA #0
|
||
* void md5 (const char* str, char* digest);
|
||
>PSTR "md5"
|
||
.DA #CSH.T.VOID
|
||
.DA #CSH.Q.CONST+CSH.Q.POINTER+CSH.T.UCHAR
|
||
.DA #CSH.Q.POINTER+CSH.T.UCHAR
|
||
.DA #0
|
||
* void * malloc ( int size );
|
||
>PSTR "malloc"
|
||
.DA #CSH.Q.POINTER+CSH.T.VOID returned value
|
||
.DA #CSH.T.SINT
|
||
.DA #0
|
||
*--------------------------------------
|
||
.DA #0
|
||
*--------------------------------------
|
||
.DUMMY
|
||
.OR 0
|
||
DS.START
|
||
PathBuf .BS 65
|
||
|
||
hFileBuf .BS 1
|
||
|
||
CSH.BufPtrSave .BS 2
|
||
|
||
CSH.CmdSave .BS 1
|
||
CSH.LookupOpt .BS 1
|
||
|
||
CSH.hDefines .BS 1
|
||
CSH.hSymbols .BS 1
|
||
CSH.hTags .BS 1
|
||
|
||
CSH.hCode .BS 1
|
||
CSH.CodePtr .BS 2
|
||
|
||
CSH.hConst .BS 1
|
||
CSH.ConstPtr .BS 2
|
||
|
||
CSH.hData .BS 1
|
||
CSH.DataPtr .BS 2
|
||
|
||
CSH.hStack .BS 1
|
||
CSH.StackPtr .BS 1
|
||
|
||
CSH.SaveInclude .BS 2
|
||
CSH.SaveDefine .BS 2
|
||
|
||
CSH.VarDef .BS 6
|
||
|
||
bDebug .BS 1
|
||
bTrace .BS 1
|
||
DS.END .ED
|
||
*--------------------------------------
|
||
MAN
|
||
SAVE usr/src/bin/csh.s
|
||
ASM
|