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larsbrinkhofflarsbrinkhoff
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NSWIT - New Switch.
Terminal concentrator and network switch for the S-1 project.
1 parent 1489766 commit 9c189dc

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‎build/misc.tcl

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@@ -1346,6 +1346,16 @@ palx "mits.b;" "bootil" {
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respond "Start of temporary data storage?" "150000\r"
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}
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# NSWIT, new switch.
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cwd "chsncp"
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palx "chsncp;" "nswit" {
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expect "System "
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respond "?" "L11\r"
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}
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palx "chsncp;" "aswitc"
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palx "chsncp;" "bswitc"
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# ITS universal file.
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cwd "decsys"
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macro10 "sits.unv" "sits.mac"

‎src/chsncp/aswitc.pal

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.title PALX program to assemble HWC switch
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palx===1 ; so the incl files know who they're under
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.macro .globl ; null global macro
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.endm
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.macro .csect
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.endm
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.macro .enabl
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.endm
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.macro .mcall type
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.macro type
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.endm
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.endm
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r0==%0
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r1==%1
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r2==%2
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r3==%3
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r4==%4
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r5==%5
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sp==%6
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pc==%7
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.macro crash code
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bpt
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.endm
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.macro .block name,sname
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name'.ln == 0
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.iif df .mglbl, .globl name'.ln
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.macro name thing,bytes
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.if df thing'.ln
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.iif df .mglbl, .globl sname'.'bytes
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sname'.'bytes == name'.ln
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name'.ln == name'.ln + thing'.ln
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.iff
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.iif df .mglbl, .globl sname'.'thing
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sname'.'thing == name'.ln
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name'.ln == name'.ln + <bytes>
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.endc
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.endm
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.endm
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.insrt mglbl
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.insrt blocks
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.insrt tables
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.insrt kernel
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.insrt switch
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.insrt chario
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.irp high,\.
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.print /Highest location = high
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/
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.endr
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.end init

‎src/chsncp/blocks.pal

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.sbttl TS Data Bases
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.if ndf palx ; only define this under macro-11
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.macro .block name,sname
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name'.ln = 0
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.iif df .mglbl, .globl name'.ln
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.macro name thing,bytes
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.if df thing'.ln
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.iif df .mglbl, .globl sname'.'bytes
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sname'.'bytes = name'.ln
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name'.ln = name'.ln + thing'.ln
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.iff
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.iif df .mglbl, .globl sname'.'thing
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sname'.'thing = name'.ln
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name'.ln = name'.ln + <bytes>
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.endc
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.endm
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.endm
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.endc
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.macro $exit
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trap 3
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.endm
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.macro $task
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trap 2
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.endm
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.macro $wait
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trap 4
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.endm
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.macro $rsum
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trap 5
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.endm
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.macro $susp
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trap 7
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.endm
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.macro $mask
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trap 8.
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.endm
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.enabl lc
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.list
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; These data blocks are for the traffic controller
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; to control tasks and stuff
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; TCB - Task Control Block
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.block tcb,tc
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tcb urg,16. ;reg save area
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tcb jid,2 ;job ID, as indx into joblst gives addr(TCB)
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tcb ste,2 ;stack warn limit
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tcb stk,100. ;stack area for task
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tcb gar,2 ;stack guard work for pop check
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tcb nxt,2 ;chain to next task blk
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tcb wqu,2 ;ptr to wait queue to use (on wait call)
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tcb stt,2 ;status of task
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tcb use,2 ;PS for task
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tcb wat,2 ;wait code: >0 for timer, <0 for wakeup
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tcb wtm,2 ;time spent in wait queue
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tcb chg,2 ;ptr to accounting word
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; BUF - IO Buffer Block
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.block buf,bf
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buf tsk,2 ;task id to wake up (if any)
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buf brk,2 ;character to wake task on
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buf wct,2 ;nbr of chars before waking task
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buf siz,2 ;size of buffer in bytes
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buf cnt,2 ;nbr of chars in buffer
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buf fst,2 ;ptr to before first char in buf
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buf lst,2 ;ptr to before last chr in buf (=FST if none)
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buf ben,2 ;ptr to end of buffer
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buf adr,2 ;addr of device
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buf hdl,2 ;adr of output handler
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buf inp,2 ; source of stuff
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buf dta,2 ;data block ptr for special device info
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buf flg,2 ;control flags
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buf bfp,2 ;holder for entire buffer area
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.page
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.list

‎src/chsncp/bswitc.pal

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.title PALX program to assemble HWC switch
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palx===1 ; so the incl files know who they're under
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.macro .globl ; null global macro
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.endm
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.macro .csect
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.endm
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.macro .enabl
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.endm
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.macro .mcall type
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.macro type
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.endm
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.endm
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r0==%0
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r1==%1
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r2==%2
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r3==%3
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r4==%4
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r5==%5
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sp==%6
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pc==%7
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.macro crash code
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bpt
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.endm
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.macro .block name,sname
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name'.ln == 0
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.iif df .mglbl, .globl name'.ln
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.macro name thing,bytes
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.if df thing'.ln
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.iif df .mglbl, .globl sname'.'bytes
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sname'.'bytes == name'.ln
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name'.ln == name'.ln + thing'.ln
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.iff
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.iif df .mglbl, .globl sname'.'thing
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sname'.'thing == name'.ln
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name'.ln == name'.ln + <bytes>
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.endc
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.endm
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.endm
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.insrt mglbl
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.insrt blocks
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.insrt tables
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.insrt kernel
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.insrt switch
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.insrt nchari
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.irp high,\.
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.print /Highest location = high
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/
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.endr
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.end init

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