gno/bin/gsh/M/dir.mac

 MACRO
&lab ph4 &parm
 lclc &char
 lclc &char1
 lclc &char2
&lab anop
&char amid &parm,1,1
 aif "&char"="#",.immediate
 aif "&char"="@",.at
 aif s:longa=1,.chk1
 rep #%00100000
.chk1
 aif "&char"<>"{",.chk2
&char amid &parm,l:&parm,1
 aif "&char"<>"}",.error
&parm amid &parm,2,l:&parm-2
 ldy #2
 lda (&parm),y
 pha
 lda (&parm)
 pha
 ago .shorten
.chk2
 aif "&char"<>"[",.absolute
 ldy #2
 lda &parm,y
 pha
 lda &parm
 pha
 ago .shorten
.absolute
 lda &parm+2
 pha
 lda &parm
 pha
 ago .shorten
.at
&char1 amid &parm,2,1
&char2 setc &char1
 ph&char1
 aif l:&parm<3,.chk2a
&char2 amid &parm,3,1
.chk2a
 ph&char2
 ago .shorten
.immediate
&parm amid &parm,2,l:&parm-1
 pea +(&parm)|-16
 pea &parm
 ago .done
.shorten
 aif s:longa=1,.done
 sep #%00100000
.done
 mexit
.error
 mnote "Missing closing '}'",16
 mend
 MACRO
&lab READ_VARIABLE &a1
&lab p16 $10B,&a1
 mend
 MACRO
&lab Str &string
&lab dc i1'L:&string'
 dc c"&string"
 mend
 MACRO
&lab p16 &a1,&a2
&lab jsl $E100A8
 dc i2'&a1'
 dc i4'&a2'
 mend
 MACRO
&lab long &stat
&lab anop
 lcla &t
 lcla &len
 lclc &ch
&t seta 0
&len seta l:&stat
.a
 aif &len=0,.b
&ch amid &stat,&len,1
 aif ("&ch"="x").or.("&ch"="y").or.("&ch"="i"),.i
 aif ("&ch"="a").or.("&ch"="m"),.m
.c
&len seta &len-1
 ago ^a
.i
 longi on
&t seta &t+16
 ago ^c
.m
 longa on
&t seta &t+32
 ago ^c
.b
 aif &t=0,.d
 rep #&t
.d
 mend
 MACRO
&lab short &stat
&lab anop
 lcla &t
 lcla &len
 lclc &ch
&t seta 0
&len seta l:&stat
.a
 aif &len=0,.b
&ch amid &stat,&len,1
 aif ("&ch"="x").or.("&ch"="y").or.("&ch"="i"),.i
 aif ("&ch"="a").or.("&ch"="m"),.m
.c
&len seta &len-1
 ago ^a
.i
 longi off
&t seta &t+16
 ago ^c
.m
 longa off
&t seta &t+32
 ago ^c
.b
 aif &t=0,.d
 sep #&t
.d
 mend
 MACRO
&lab subroutine &parms,&work
&lab anop
 aif c:&work,.a
 lclc &work
&work setc 0
.a
 gbla &totallen
 gbla &worklen
&worklen seta &work
&totallen seta 0
 aif c:&parms=0,.e
 lclc &len
 lclc &p
 lcla &i
&i seta c:&parms
.b
&p setc &parms(&i)
&len amid &p,2,1
 aif "&len"=":",.c
&len amid &p,1,2
&p amid &p,4,l:&p-3
 ago .d
.c
&len amid &p,1,1
&p amid &p,3,l:&p-2
.d
&p equ &totallen+3+&work
&totallen seta &totallen+&len
&i seta &i-1
 aif &i,^b
.e
 tsc
 sec
 sbc #&work
 tcs
 inc a
 phd
 tcd
 phb
 phk
 plb
 mend
 MACRO
&lab return &r
&lab anop
 lclc &len
 aif c:&r,.a
 lclc &r
&r setc 0
&len setc 0
 ago .h
.a
&len amid &r,2,1
 aif "&len"=":",.b
&len amid &r,1,2
&r amid &r,4,l:&r-3
 ago .c
.b
&len amid &r,1,1
&r amid &r,3,l:&r-2
.c
 aif &len<>2,.d
 ldy &r
 ago .h
.d
 aif &len<>4,.e
 ldx &r+2
 ldy &r
 ago .h
.e
 aif &len<>10,.g
 ldy #&r
 ldx #^&r
 ago .h
.g
 mnote 'Not a valid return length',16
 mexit
.h
 aif &totallen=0,.i
 lda &worklen+1
 sta &worklen+&totallen+1
 lda &worklen
 sta &worklen+&totallen
.i
 plb
 pld
 tsc
 clc
 adc #&worklen+&totallen
 tcs
 aif &len=0,.j
 tya
.j
 rtl
 mend
 macro
&lab inc2 &a
&lab inc &a
 inc &a
 mend
 MACRO
&lab if2 &var,&rel,&val,&label
&lab ago .skip
 ble
 bgt
.skip
 lclc &char1
 lclc &char2
&char1 amid &var,1,1
&char2 amid &var,2,1
 aif "&char1"="@",.index
 lda &var
.cmp
 cmp &val
 ago .branch
.index
 aif "&char2"="x",.x1
 aif "&char2"="X",.x1
 aif "&char2"="y",.y1
 aif "&char2"="Y",.y1
 ago ^cmp
.x1
 cpx &val
 ago .branch
.y1
 cpy &val
.branch
&char1 amid &rel,1,1
 aif "&char1"="@",.done
 b&rel &label
.done
 mend
 MACRO
&lab bgt &loc
&lab beq *+4
 bcs &loc
 mend
 MACRO
&lab ble &loc
&lab bcc &loc
 beq &loc
 mend
 MACRO
&lab sub2 &arg1,&arg2,&dest
 lclc &char
&lab sec
&char amid &arg1,1,1
 aif "&char"="@",.at1
 lda &arg1
 ago .sub
.at1
&char amid &arg1,2,1
 aif "&char"="x",.x1
 aif "&char"="X",.x1
 aif "&char"="y",.y1
 aif "&char"="Y",.y1
 ago .sub
.x1
 txa
 ago .sub
.y1
 tya
.sub
 sbc &arg2
&char amid &dest,1,1
 aif "&char"="@",.at2
 sta &dest
 ago .b
.at2
&char amid &dest,2,1
 aif "&char"="x",.x2
 aif "&char"="X",.x2
 aif "&char"="y",.y2
 aif "&char"="Y",.y2
 ago .b
.x2
 tax
 ago .b
.y2
 tay
.b
 mend
 MACRO
&lab WriteCString &a1
&lab ph4 &a1
 Tool $200c
 mend
 MACRO
&lab tool &a1
&lab ldx #&a1
 jsl $e10000
 mend
 MACRO
&lab add4 &arg1,&arg2,&dest
&lab anop
 lclc &ch
&ch amid &arg2,1,1
 clc
 lda &arg1
 adc &arg2
 sta &dest
 lda &arg1+2
 aif "&ch"="#",.a
 adc &arg2+2
 ago .b
.a
 adc &arg2|-16
.b
 sta &dest+2
 mend
 MACRO
&lab GetPrefix &a1
&lab gsos $200A,&a1
 mend
 MACRO
&lab gsos &a1,&a2
&lab jsl $E100A8
 dc i2'&a1'
 dc i4'&a2'
 mend
 MACRO
&lab unlock &a1
&lab stz &a1
 MEND
 MACRO
&lab key
&lab dc i2'0'
 MEND
 MACRO
&lab lock &a1
&lab lda #1
 tsb &a1
 beq *+6
 cop $7F
 bra *-7
 MEND
 macro
&lab ErrWriteCString &a1
&lab ph4 &a1
 Tool $210c
 mend
 MACRO
&lab GetFileInfo &a1
&lab gsos $2006,&a1
 mend
 MACRO
&lab ERROR &a1
&lab p16 $105,&a1
 mend
 MACRO
&lab SetPrefix &a1
&lab gsos $2009,&a1
 mend
 MACRO
&lab Dec2Int &a1,&a2
&lab pha
 ph4 &a1(1)
 ph2 &a1(2)
 ph2 &a1(3)
 Tool $280b
 pl2 &a2
 mend
 MACRO
&lab ph2 &parm
 lclc &char
&lab anop
 aif c:&parm=0,.done
&char amid &parm,1,1
 aif "&char"="#",.immediate
 aif "&char"="@",.at
 aif s:longa=1,.chk
 rep #%00100000
.chk
 aif "&char"<>"{",.absolute
&char amid &parm,l:&parm,1
 aif "&char"<>"}",.error
&parm amid &parm,2,l:&parm-2
 lda (&parm)
 pha
 ago .shorten
.absolute
 lda &parm
 pha
 ago .shorten
.immediate
&parm amid &parm,2,l:&parm-1
 pea &parm
 ago .done
.at
&char amid &parm,2,1
 ph&char
.shorten
 aif s:longa=1,.done
 sep #%00100000
.done
 mexit
.error
 mnote "Missing closing '}'",16
 mend
 MACRO
&lab pl2 &parm
 lclc &char
&lab anop
 aif s:longa=1,.start
 rep #%00100000
.start
&char amid &parm,1,1
 aif "&char"="@",.at
 aif "&char"<>"{",.absolute
&char amid &parm,l:&parm,1
 aif "&char"<>"}",.error
&parm amid &parm,2,l:&parm-2
 pla
 sta (&parm)
 ago .shorten
.absolute
 pla
 sta &parm
 ago .shorten
.at
&char amid &parm,2,1
 pl&char
.shorten
 aif s:longa=1,.done
 sep #%00100000
.done
 mexit
.error
 mnote "Missing Closing '}'",16
 mend
 MACRO
&lab jeq &loc
&lab bne *+5
 jmp &loc
 mend
 macro
&lab inx4
&lab inx
 inx
 inx
 inx
 mend