mirror of
https://github.com/DoctorWkt/unix-jun72.git
synced 2026-02-01 22:43:27 +00:00
22 lines
481 B
Plaintext
22 lines
481 B
Plaintext
bne 1f / if not, branch
|
|
mov $511,rcsr(r1) / set control bits for receiver
|
|
mov $511,tcsr(r1) / set control bits for transmitter
|
|
movb $210,tty+4(r1) / put 210 in tty table word 3 / set flags
|
|
1:
|
|
incb (r5) / inc first byte of tty buffer
|
|
tst (sp)+
|
|
tst u.ttyp / is there a process control tty
|
|
bne 1f / yes, then branch
|
|
mov r5,u.ttyp / no, make this tty the process control tty
|
|
br 1f / return
|
|
|
|
ccvt:
|
|
sub $28.,r1
|
|
asl r1 / 0%4
|
|
asl r1
|
|
mov tty+6(r1),r5
|
|
decb (r5)
|
|
1:
|
|
jmp sret
|
|
|