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 LD2 &val,&adr
&lab lcla &count
 lda #&val
&count seta 1
.loop
 sta &adr(&count)
&count seta &count+1
 aif &count>c:&adr,.done
 ago ^loop
.done
 mend
 macro
&lab MV4 &src,&adr
&lab lcla &count
 lda &src
&count seta 1
.loop1
 sta &adr(&count)
&count seta &count+1
 aif &count>c:&adr,.part2
 ago ^loop1
.part2
 lda &src+2
&count seta 1
.loop2
 sta &adr(&count)+2
&count seta &count+1
 aif &count>c:&adr,.done
 ago ^loop2
.done
 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 asl2 &a
&lab asl &a
 asl &a
 mend
 macro
&lab iny2
&lab iny
 iny
 mend
 macro
&lab and2 &arg1,&arg2,&dest
&lab anop
 lclc &char
&char amid &arg1,1,1
 aif "&char"="@",.at1
 lda &arg1
 ago .add
.at1
&char amid &arg1,2,1
 aif "&char"="x",.x1
 aif "&char"="X",.x1
 aif "&char"="y",.y1
 aif "&char"="Y",.y1
 ago .add
.x1
 txa
 ago .add
.y1
 tya
.add
 and &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 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 jeq &loc
&lab bne *+5
 jmp &loc
 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