A2osX/BIN/CSH.S.txt
2021-04-10 19:17:40 +02:00

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NEW
AUTO 3,1
.LIST OFF
.OP 65C02
.OR $2000
.TF bin/csh
*--------------------------------------
.INB inc/macros.i
.INB inc/a2osx.i
.INB inc/mli.i
.INB inc/mli.e.i
*--------------------------------------
CSH.E.SYNTAX .EQ $C0
CSH.E.STACKERR .EQ $C2
CSH.E.SOVERFLW .EQ $C3
*E.NOWHILE .EQ $C4
*E.NOFOR .EQ $C5
*E.NOIF .EQ $C6
CSH.E.UNEXPEOF .EQ $C8
CSH.E.UNDEF .EQ $C9
CSH.E.INVDIR .EQ $CA
*
CSH.E.NOVERFLW .EQ $D0
CSH.E.TMISMATCH .EQ $D1
CSH.E.OOM .EQ $D2
CSH.E.DUP .EQ $D3
*--------------------------------------
* Zero Page Segment, up to 32 bytes
*--------------------------------------
.DUMMY
.OR ZPBIN
ZS.START
ZPCSHCode .BS 2
ZPCSHConst .BS 2
ZPCSHData .BS 2
ZPCSHStack .BS 2
ZPVarID .BS 2
ZPVarDef .EQ *
ZPVarType .BS 1
ZPVarQual .BS 1
ZPVarSizeOf .BS 2
ZPVarDataPtr .BS 2
ZPInputBufPtr .BS 2
bFastCall .BS 1
bCompil .BS 1
hDefine .BS 1
hInclude .BS 1
ZPPtr1 .BS 2
ZPPtr2 .BS 2
ZPPtr3 .BS 2
ArgIndex .BS 1
ZS.END .ED
*--------------------------------------
* File Header (16 Bytes)
*--------------------------------------
CS.START cld
jmp (.1,x)
.DA #$61 6502,Level 1 (65c02)
.DA #1 BIN Layout Version 1
.DA #0 S.PS.F.EVENT
.DA #0
.DA CS.END-CS.START Code Size (without Constants)
.DA DS.END-DS.START Data SegmentSize
.DA #64 Stack Size
.DA #ZS.END-ZS.START Zero Page Size
.DA 0
*--------------------------------------
* Relocation Table
*--------------------------------------
.1 .DA CS.INIT
.DA CS.RUN
.DA CS.DOEVENT
.DA CS.QUIT
L.MSG.GREETINGS .DA MSG.GREETINGS
L.MSG.USAGE .DA MSG.USAGE
L.MSG.ECHOCRLF .DA MSG.ECHOCRLF
L.MSG.DEBUG .DA MSG.DEBUG
L.MSG.ERR .DA MSG.ERR
L.ENV.INCLUDE .DA ENV.INCLUDE
L.CSH.BOPS .DA CSH.BOPS
J.CSH.BOPS .DA CSH.BOPS.ADD
.DA CSH.BOPS.SUB
.DA CSH.BOPS.MUL
.DA CSH.BOPS.DIV
.DA CSH.BOPS.MOD
.DA CSH.BOPS.SHL
.DA CSH.BOPS.SHR
.DA CSH.BOPS.L
.DA CSH.BOPS.G
.DA CSH.BOPS.LE
.DA CSH.BOPS.GE
.DA CSH.BOPS.EQ
.DA CSH.BOPS.NE
.DA CSH.BOPS.AND
.DA CSH.BOPS.OR
.DA CSH.BOPS.EOR
.DA CSH.BOPS.LAND
.DA CSH.BOPS.LOR
J.CSH.BOPS.ADDt .DA CSH.TMISMATCH
.DA CSH.BOPS.ADDi8
.DA CSH.BOPS.ADDi16
.DA CSH.BOPS.ADDi32
.DA CSH.BOPS.ADDu8
.DA CSH.BOPS.ADDu16
.DA CSH.BOPS.ADDu32
.DA CSH.BOPS.ADDf
J.CSH.BOPS.SUBt .DA CSH.TMISMATCH
.DA CSH.BOPS.SUBi8
.DA CSH.BOPS.SUBi16
.DA CSH.BOPS.SUBi32
.DA CSH.BOPS.SUBu8
.DA CSH.BOPS.SUBu16
.DA CSH.BOPS.SUBu32
.DA CSH.BOPS.SUBf
J.CSH.BOPS.SHLt .DA CSH.TMISMATCH
.DA CSH.BOPS.SHL8
.DA CSH.BOPS.SHL16
.DA CSH.BOPS.SHL32
.DA CSH.BOPS.SHL8
.DA CSH.BOPS.SHL16
.DA CSH.BOPS.SHL32
.DA CSH.TMISMATCH
L.CSH.FN .DA CSH.FN
L.CSH.DIRS .DA CSH.DIRS
L.CSH.KW .DA CSH.KW
L.CSH.MTYPES .DA CSH.MTYPES
L.CSH.TYPES .DA CSH.TYPES
L.CSH.FTYPES .DA CSH.FTYPES
J.CSH.DIRS .DA CSH.DIR.DEFINE
.DA CSH.DIR.INCLUDE
J.CSH.KW .DA CSH.IF
.DA CSH.WHILE
.DA CSH.ELSE
.DA CSH.DO
.DA CSH.FOR
.DA CSH.SWITCH
.DA CSH.CASE
.DA CSH.BREAK
.DA CSH.CONTINUE
.DA CSH.SIZEOF
*--------------------------------------
.DA CSH.TYPEDEF
.DA CSH.STRUCT
*--------------------------------------
J.CSH.MTYPES .DA CSH.CONST
.DA CSH.SIGNED
.DA CSH.UNSIGNED
.DA CSH.SHORT
J.CSH.TYPES .DA CSH.VOID
.DA CSH.CHAR
.DA CSH.INT
.DA CSH.LONG
.DA CSH.FLOAT
J.CSH.UTYPES .DA CSH.UCHAR
.DA CSH.UINT
.DA CSH.ULONG
J.CSH.STYPES .DA CSH.SCHAR
.DA CSH.SINT
.DA CSH.SLONG
J.CSH.KW.END .DA CSH.IF.END
.DA CSH.WHILE.END
*--------------------------------------
J.CSH.EXEC .DA EXEC.log
.DA EXEC.sqr
.DA EXEC.exp
.DA EXEC.cos
.DA EXEC.sin
.DA EXEC.tan
.DA EXEC.atan
.DA EXEC.getchar
.DA EXEC.puts
.DA EXEC.execl
.DA EXEC.printf
.DA EXEC.putenv
.DA EXEC.setenv
.DA EXEC.getenv
.DA EXEC.unsetenv
.DA EXEC.MD5
.DA EXEC.malloc
.DA 0
*--------------------------------------
* Called once at process creation
* Put code for loading LIB here
*--------------------------------------
CS.INIT clc
CS.INIT.RTS rts
*--------------------------------------
* Called until exit with CS
* if RUN exits with CC, RN entered again
*--------------------------------------
CS.RUN >PUSHW L.MSG.GREETINGS
>PUSHW A2osX.KVER
>PUSHBI 2
>SYSCALL PrintF
bcs CS.INIT.RTS
jsr CS.RUN.ARGS
bcs CS.INIT.RTS
jsr CSH.Init
bcs CS.INIT.RTS
.1 >SLEEP
>LDA.G bDebug
bpl .2
jsr PrintDebugMsg
.2 >LDA.G bTrace
bpl .3
>LDYA ZPInputBufPtr
jsr PrintTraceMsg
.3 jsr CSH.Run
bcc .1
cmp #MLI.E.EOF
beq .8
pha
jsr PrintErrMsg
pla
sec
rts
.8 lda #0 Exit Code = Success
sec
rts
*--------------------------------------
CS.RUN.ARGS inc ArgIndex
lda ArgIndex
>SYSCALL ArgV
bcs .7
>STYA ZPPtr1
lda (ZPPtr1)
cmp #'-'
bne .4
ldy #1
lda (ZPPtr1),y
ldx #OptionVars-OptionList-1
.1 cmp OptionList,x
beq .2
dex
bpl .1
bra .90
.2 ldy OptionVars,x
lda #$ff
sta (pData),y
bra CS.RUN.ARGS
.4 >LDA.G hFileBuf
bne .90
>LDYA ZPPtr1
jsr CS.RUN.LoadFile
bcs .9
>STYA ZPInputBufPtr
txa
>STA.G hFileBuf
bra CS.RUN.ARGS
.7 >LDA.G hFileBuf
beq .90
clc
.9 rts
.90 >PUSHW L.MSG.USAGE
>PUSHBI 0
>SYSCALL PrintF
lda #E.SYN
sec QUIT Process
rts
*--------------------------------------
CS.RUN.LoadFile >SYSCALL LoadTxtFile
bcs .9
phx
txa
>SYSCALL GetMemPtr
plx
.9 rts
*--------------------------------------
CS.DOEVENT sec
rts
*--------------------------------------
CS.QUIT jsr CSH.Quit
clc
rts
*--------------------------------------
PrintErrMsg lda hDefine
beq .10
>LDYA.G CSH.SaveDefine
>STYA ZPInputBufPtr
.10 lda hInclude
beq .11
bra .12
.11 >LDA.G hFileBuf
.12 >SYSCALL GetMemPtr
>STYA ZPPtr1
stz ZPPtr2
stz ZPPtr2+1 Line counter
.1 inc ZPPtr2
bne .2
inc ZPPtr2+1
.2 >LDYA ZPPtr1
>STYA ZPPtr3 save line start
.20 lda (ZPPtr1)
beq .4 EoF
inc ZPPtr1
bne .3
inc ZPPtr1+1
.3 cmp #C.CR
bne .20 Scan until EoL
ldx ZPPtr1
cpx ZPInputBufPtr
lda ZPPtr1+1
sbc ZPInputBufPtr+1
bcc .1 not this line....
.4 >LDA.G bTrace
bmi .5
jsr PrintTraceMsg.3
.5 lda ZPPtr3
cmp ZPInputBufPtr
bne .6
lda ZPPtr3+1
cmp ZPInputBufPtr+1
beq .8
.6 >PUSHBI '-'
ldy #S.PS.hStdErr
lda (pPS),y
>SYSCALL FPutC
inc ZPPtr3
bne .5
inc ZPPtr3+1
bra .5
.8 ldy #S.PS.hStdErr
lda (pPS),y
>PUSHA
>PUSHW L.MSG.ERR
>PUSHW ZPPtr2 Line counter
>PUSHBI 2
>SYSCALL FPrintF
rts
*--------------------------------------
PrintDebugMsg >LDYA pStack
>STYA ZPPtr2
>PUSHW L.MSG.DEBUG
>PUSHW ZPPtr2
>PUSHBI 2
>SYSCALL PrintF
rts
*--------------------------------------
PrintTraceMsg >STYA ZPPtr3
PrintTraceMsg.3 >PUSHBI '>'
ldy #S.PS.hStdErr
lda (pPS),y
>SYSCALL FPutC
ldy #$ff
.1 iny
lda (ZPPtr3),y
beq .8
cmp #C.CR
beq .8
phy
>PUSHA
ldy #S.PS.hStdErr
lda (pPS),y
>SYSCALL FPutC
ply
bra .1
.8 ldy #S.PS.hStdErr
lda (pPS),y
>PUSHA
>PUSHW L.MSG.ECHOCRLF
>PUSHBI 0
>SYSCALL FPrintF
rts
*--------------------------------------
.INB usr/src/bin/csh.s.core
.INB usr/src/bin/csh.s.dir
.INB usr/src/bin/csh.s.kw
.INB usr/src/bin/csh.s.exp
.INB usr/src/bin/csh.s.exec
*--------------------------------------
CS.END
*--------------------------------------
* Initialized DATA
*--------------------------------------
MSG.GREETINGS .AZ "\r\nCSH-Shell %d.%d\r\n\r\n"
MSG.USAGE .AS "Usage : CSH <option> file\r\n"
.AS " -D : Debug Mode\r\n"
.AS " -T : Trace On"
MSG.ECHOCRLF .AZ "\r\n"
MSG.DEBUG .AZ "pStack=%H"
MSG.ERR .AZ "^\r\nLine #%D:"
*--------------------------------------
ENV.INCLUDE .AZ "INCLUDE"
*--------------------------------------
OptionList .AS "DdTt"
OptionVars .DA #bDebug,#bDebug,#bTrace,#bTrace
*--------------------------------------
*--------------------------------------
CSH.T.VOID .EQ 0
CSH.T.SCHAR .EQ 1
CSH.T.SINT .EQ 2
CSH.T.SLONG .EQ 3
CSH.T.FLOAT .EQ 4
CSH.T.UCHAR .EQ 5
CSH.T.UINT .EQ 6
CSH.T.ULONG .EQ 7
CSH.T.VARIADIC .EQ $FF
*--------------------------------------
CSH.Q.POINTER .EQ %01000000
CSH.Q.PPOINTER .EQ %10000000
CSH.Q.PPPOINTER .EQ %11000000
CSH.Q.PCONST .EQ %00100000
CSH.Q.CONST .EQ %00010000
CSH.Q.FUNC .EQ %00001000
*--------------------------------------
CSH.OPChars .AS "!~+-*/%=&|^<>"
CSH.OPChars.Cnt .EQ *-CSH.OPChars
*--------------------------------------
* Pre Operators: + - ! ~ ++ --
*--------------------------------------
CSH.PREOPS >PSTR "+"
>PSTR "-"
>PSTR "!"
>PSTR "~"
*--------------------------------------
* Post Operators: ++ --
*--------------------------------------
CSH.POSTOPS >PSTR "++"
>PSTR "--"
.HS 00
*--------------------------------------
* Assignment Operators: = += -= *= /= %= <<= >>= &= ^= |=
*--------------------------------------
CSH.AOPS >PSTR "="
>PSTR "+="
>PSTR "-="
>PSTR "*="
>PSTR "/="
>PSTR "%="
>PSTR "<<="
>PSTR ">>="
>PSTR "&="
>PSTR "^="
>PSTR "!="
.HS 00
*-- Binary ---- H to L precedence -----
* Arithmetic Operators: * / %
* Arithmetic Operators: + -
* Shift Operators: << >>
* Relational Operators: < > >= < >= == !=
* Bitwise Operators: & | ^ ~
* Logical Operators: && ||
*--------------------------------------
CSH.BOPS >PSTR "+"
>PSTR "-"
>PSTR "*"
>PSTR "/"
>PSTR "%"
>PSTR "<<"
>PSTR ">>"
>PSTR "<"
>PSTR ">"
>PSTR "<="
>PSTR ">="
>PSTR "=="
>PSTR "!="
>PSTR "&"
>PSTR "|"
>PSTR "^"
>PSTR "&&"
>PSTR "||"
.HS 00
*--------------------------------------
* Reserved Directives:
*--------------------------------------
CSH.DIRS >PSTR "define"
>PSTR "include"
.HS 00
*--------------------------------------
* Reserved Keywords:
*--------------------------------------
CSH.KW >PSTR "if"
>PSTR "while"
>PSTR "else"
>PSTR "do"
>PSTR "for"
>PSTR "switch"
>PSTR "case"
>PSTR "break"
>PSTR "continue"
>PSTR "sizeof"
>PSTR "typedef"
>PSTR "struct"
CSH.MTYPES >PSTR "const" ALL
>PSTR "signed" char,int,long
>PSTR "unsigned" char,int,long
>PSTR "short" int
CSH.TYPES >PSTR "void"
>PSTR "char"
>PSTR "int"
>PSTR "long"
>PSTR "float"
.HS 00
*--------------------------------------
CSH.FTYPES >PSTR "fastcall"
* .HS 00
*--------------------------------------
CSH.TYPESIZE .HS 0001020405010204
*--------------------------------------
CSH.FN
* float cos ( float x );
>PSTR "log"
.DA #CSH.T.FLOAT returned value
.DA #CSH.T.FLOAT
.DA #0
>PSTR "sqr"
.DA #CSH.T.FLOAT returned value
.DA #CSH.T.FLOAT
.DA #0
>PSTR "exp"
.DA #CSH.T.FLOAT returned value
.DA #CSH.T.FLOAT
.DA #0
>PSTR "cos"
.DA #CSH.T.FLOAT returned value
.DA #CSH.T.FLOAT
.DA #0
>PSTR "sin"
.DA #CSH.T.FLOAT returned value
.DA #CSH.T.FLOAT
.DA #0
>PSTR "tan"
.DA #CSH.T.FLOAT returned value
.DA #CSH.T.FLOAT
.DA #0
>PSTR "atan"
.DA #CSH.T.FLOAT returned value
.DA #CSH.T.FLOAT
.DA #0
* char getchar ( void );
>PSTR "getchar"
.DA #CSH.T.UCHAR returned value
.DA #0
* int puts ( const char * str );
>PSTR "puts"
.DA #CSH.T.SINT returned value
.DA #CSH.Q.CONST+CSH.Q.POINTER+CSH.T.UCHAR
.DA #0
* int execl(const char* cmdline, short int flags);
>PSTR "execl"
.DA #CSH.T.SINT returned value
.DA #CSH.Q.CONST+CSH.Q.POINTER+CSH.T.UCHAR
.DA #CSH.T.UCHAR
.DA #0
* 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