gno/lib/libc/sys/trap.mac

266 lines
3.4 KiB
Plaintext

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 return2
&lab anop
.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
tya
.j
rtl
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
&l ret &r
&l 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+2
sta &worklen+&totallen+2
lda &worklen+1
sta &worklen+&totallen+1
.i
pld
tsc
clc
adc #&worklen+&totallen
tcs
aif &len=0,.j
tya
.j
rtl
mend
macro
&l sub &parms,&work
&l 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+4+&work
&totallen seta &totallen+&len
&i seta &i-1
aif &i,^b
.e
tsc
aif &work=0,.f
sec
sbc #&work
tcs
.f
phd
tcd
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 assertVersion &vers
&lab anop
*
* We currently have this check disabled for performance reasons (as
* discussed on the gno-devel mailing list). -- gdr
*
* lda >_kernDisableVersionCheck
* cmp #0
* bne ~&SYSCNT
* pea &vers
*jsl _kernMinVersion
*~&SYSCNT anop
mend