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mirror of https://github.com/DoctorWkt/unix-jun72.git synced 2026-04-17 16:44:38 +00:00

- e09 03 cleaned up

This commit is contained in:
tim.newsham
2008-04-25 03:11:34 +00:00
parent 269bc7ba18
commit 66902f7129

View File

@@ -1,55 +1,57 @@
asl r0 / 0%8
jsr r0,starxmt
jmp retisp
xmttoz
mov r0,—(sp)
mov 2(sp),:O / O%2+6
sub $5,rO
asl r0
asl ro / 09622
jsr r0,starxmt
mov (sp)+,20
rts rO
starxmt:
mov (sp),r1 / 0%8 r1 contains Bxtty number _ _
movb tty+3(r1),r1 / place contents of 4th byte of tty
/ buf in r1 (cc,cf,cl offset)
cmpb cc+1(r1),$10. / is char count for tty output greater
/ than or equal to 10
bbl 1f / yes N N
mov r1,0f / no, make offset an arg of wakeup
inc Of / increment arg of wakeup
jsr rO,wakeup; runq+2; 0:.. / wakeup process identified
/ by wlist
1: / entry specified by argument in O:
mov (sp),r1 / O%B / r1 contains Bxtty number
asr r1
asr r1
asr r1 / OZ1 r1 contalns tty number
tstb toutt+3(r1) / is tout entry for tty output e 0
bne 1f / no, return to calling routine
mov (sp),r2 / yes, place (Bxtty number) lnto r2
tstb tcsr(r2) / does tt 's tcsr register = O (ls ready
/ mt e 0{
bge 1f / yes, return to calling routine _ "
movb tty+2(r2),r1 / no, place third byte of tty buf
/ into r1 (char left over after lf)
clrb tty+2(r2) / clear third byte
tst r1 / is third byte = 0
bne 3f / no, r1 contains a non nul character “
movb tty+3(r2),O£ / yes, make byte 4 arg of getc
inc Of / increment arg to make it tty output list of
/ clist
jsr r0,getc; 0:.. / obtain next character ln cllst for tty
/ out and place in r1
br 1f / if no entry in cllst to be output, return to
/ calling routine
3:
bic $!177,r1 / zero out blts 7-1§ of r1
movb partab(r1),r3 / move partab entry (identified by
/ r1) into r3
bge 3f / if entry 1s greater than or equal to 0 (digit
/ 2, far left digit : 0) branch
bisb 200,r1 / lf entry is less than O add 128 to ASC11
/ code for char to be output
asl r0 / 0%8
jsr r0,starxmt
jmp retisp
xmtto:
mov r0,-(sp)
mov 2(sp),rO / 0%2+6
sub $6,r0
asl r0
asl r0 / 0%8
jsr r0,starxmt
mov (sp)+,r0
rts r0
starxmt:
mov (sp),r1 / 0%8 r1 contains 8xtty number
movb tty+3(r1),r1 / place contents of 4th byte of "tty"
/ buf in r1 (cc,cf,cl offset)
cmpb cc+1(r1),$10. / is char count for tty output greater
/ than or equal to 10
bbl 1f / yes
mov r1,0f / no, make offset an arg of "wakeup"
inc 0f / increment arg of wakeup
jsr r0,wakeup; runq+2; 0:.. / wakeup process identified
/ by wlist
1: / entry specified by argument in 0:
mov (sp),r1 / O%8 / r1 contains tty number
asr r1
asr r1
asr r1 / 0%1 r1 contalns tty number
tstb toutt+3(r1) / is tout entry for tty output = 0
bne 1f / no, return to calling routine
mov (sp),r2 / yes, place (8xtty number) into r2
tstb tcsr(r2) / does tty's tcsr register = O (is ready
/ bit = 0)
bge 1f / yes, return to calling routine
movb tty+2(r2),r1 / no, place third byte of "tty" buf
/ into r1 (char left over after lf)
clrb tty+2(r2) / clear third byte
tst r1 / is third byte = 0
bne 3f / no, r1 contains a non nul character
movb tty+3(r2),Of / yes, make byte 4 arg of "getc"
inc 0f / increment arg to make it tty output list of
/ clist
jsr r0,getc; 0:.. / obtain next character ln clist for tty
/ out and place in r1
br 1f / if no entry in clist to be output, return to
/ calling routine
3:
bic $!177,r1 / zero out blts 7-15 of r1
movb partab(r1),r3 / move "partab" entry (identified by
/ r1) into r3
bge 3f / if entry 1s greater than or equal to 0 (digit
/ 2, far left digit = 0) branch
bisb 200,r1 / if entry is less than 0 add 128 to ASC11
/ code for char to be output