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Language CDC PPU COMPASS
| Date: | 04/12/06 |
| Author: | Paul Koning |
| URL: | http://www.equallogic.com |
| Comments: | 0 |
| Info: | n/a |
| Score: |  (2.30 in 50 votes) |
ident bot,ppfw
title bot -- 99 bottles of beer
comment 99 bottles of beer on the wall.
*** bot -- 99 bottles of beer on the wall
*
* cdc peripheral processor code version.
*
* 04.02.15. paul koning. ni1d@arrl.net
*
* dedicated to the controlfreaks group.
*
periph
sst rds
opl xtext compmac
base m
ch equ chds display channel number
ref equ 0 number of refreshes + 1 before scroll
rr equ 30d refresh delay in ms
lh equ 24 height of a line
charmod equ 7001 character mode (medium chars)
ymax equ 660
**** direct location assignments -
bc equ 20 bottle count
rd equ 21 refresh delay (in ms)
rf equ 22 refresh count
tp equ 23 text pointer
xc equ 24 x - coordinate
yc equ 25 y - coordinate
ly equ 26 line y
lyh equ 27
ms equ 30
yt equ 31 y for top of scroll
yth equ 32
name micro 1,, bot
org ppfw
rjm prs initialize vars, obtain console eq/ch
main1 ldc ref
std rf set refresh count per iteration
main2 ldc 99d
std bc set initial bottle count
dcn ch+40
fnc charmod,ch left screen, medium size character mode
acn ch
ldd yt
std ly set current y to top of scoll y
ldd yth
std lyh
main3 rjm crlf
njn main4 if this line not visible
ldd bc
zjn main00 if no bottles left
rjm bot *nn bottles*
ldn l.ofb1
oam ofb1,ch * of beer on the wall,*
main4 rjm crlf
njn main5 if this line not visible
ldd bc
rjm bot *nn bottles*
ldn l.ofb2
oam ofb2,ch *of beer.*
main5 rjm crlf
njn main6 if this line not visible
ldn l.pass
oam pass,ch *take one down, pass it around, *
main6 sod bc
main00 zjn main0 if no more
rjm crlf
njn main7 if this line not visible
ldd bc
rjm bot *nn bottles*
ldn l.ofb1
oam ofb3,ch * of beer on the wall.*
main7 rjm crlf
ljm main3 do the next few lines
main0 rjm crlf
njn main8 if this line not visible
ldn l.nobot
oam nobot,ch *no more bottles of beer on the wall*
main8 rjm dss display system status
rjm delay delay and check for move/drop
sod rf count refreshes
pjn main10 if not time to scroll yet
ldc ref
std rf reload refresh count
ldd lyh
njn main9 if last line y off-screen
ldd ly
lmc ymax-lh
zjn main10 if last line at top of screen
main9 aod yt advance scroll
shn -12d
rad yth
main10 ljm main2
*
title move down a line
**
* exit (a) = 0 if line in range, non-0 otherwise
crlfy ldn 1
crlf subr
ldd lyh
shn 12d
add ly
sbn lh
std ly
shn -12d
std lyh
njn crlfx
ldd ly
adc -ymax
pjn crlfy
ldd ly
adc 7000
oan ch
ldc 6010
oan ch
ldn 0
ujn crlfx
*
title output bottle count
**
* entry (a) = count of bottles
bot subr
lmn 1
zjn bot1
lmn 1
std t0 save the value
ldn 0
std t1 initialize tens
bot2 ldd t0
sbn 10d
mjn bot3
std t0
aod t1 advance tens
ujn bot2
bot3 ldd t1 get tens
njn bot4 ten or more
ldd t0
adc 2r 0
ujn bot5 send *nn bottles*
bot4 shn 6
add t0
adc 2r00
bot5 stm botl
ldn l.botl
oam botl,ch *nn bottles*
ujn botx
bot1 ldn l.botl
oam botl1,ch *one bottle*
ljm botx
*
title delay between refreshes
**
* delay 30 ms, while checking for drop and storage move
delay subr
ldn rr
std rd ms to delay
ldc rtcl
crd cm get system time
ldd cm+4 get current ms
std ms
del1 rjm pss check for storage move
del2 ldc rtcl
crd cm
ldd cm+4
lmd ms
zjn del1 if millisecond not elapsed yet
sod rd
njn del1 if 30 ms not up yet
dcn ch+40
fnc 7020,ch select input
acn ch
ian ch
lmn 1rd check for *d* to drop
zjn del9
ljm delayx
del9 dcn ch+40 leave channel inactive
del10 rjm dds drop display
dpp monitor dppm drop pp
ljm ppr exit to pp resident
*
dss space 4
** dss - display system status.
* calls sys.
dss subr entry/exit
ldc 6000 set x-coordinate
std xc
dcn ch+40 make sure console channel inactive
rjm sys
ujn dssx
comdsys space 4
opl xtext comdsys
opl xtext comddsp
opl xtext compcua
*
title initialization
prs subr entry/exit
rjm cua check user access
zjn prs1 if access allowed
ldc prsa dayfile message *illegal control card.*
rjm dfm
monitor abtm abort job
ljm ppr exit to pp resident
prs1 pause
ldd fl
zjn prs3 if fl = 0
ldd cm+1
zjn prs2 if error flag not set
ljm dpp drop pp
prs2 std cm+2 set cm request
monitor rstm request 0 fl
ujn prs1
prs3 rjm rds request display
ldm /comddsp/ddsb
lmn ch
njn prs4 if not expected channel number
std yth initialize scroll position
ldn lh
std yt
ljm prsx
prs4 ljm del10
prsa data c*illegal control card.*
*
title strings
len macro s
l._s equ *-s
endm
botl1 data h*one bottle*
botl data h*xx bottles*
len botl
*
ofb1 data h* of beer on the wall,*
len ofb1
ofb2 data h* of beer.*
len ofb2
pass data h* take one down, pass it around,*
len pass
ofb3 data h* of beer on the wall.*
nobot data h*no more bottles of beer on the wall.*
len nobot
end
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