Source Code 1994 March/Source_Code_CD-ROM_Walnut_Creek_March_1994.iso/compsrcs/games/vmsnet/mqix/part02

Internet Message Format | 1992-04-07 | 29KB

Path: uunet!wupost!waikato.ac.nz!ccc_rex
From: [e-mail]
Newsgroups: vmsnet.sources.games
Subject: MQIX 2/2 (mulit-user QIX)
Message-ID: <[e-mail]>
Date: 9 Apr 92 15:15:54 +1200
Organization: University of Waikato, Hamilton, New Zealand
Lines: 999

-+-+-+-+-+-+-+-+ START OF PART 2 -+-+-+-+-+-+-+-+
X`09.ascii`09<esc>'<'`09`09; enter ANSI mode
X`09.ascii`09<esc>'(B'`09`09; select ascii character set
X`09.ascii`09<esc>'`5B2J'`09`09; erase entire screen
X`09.ascii`09<esc>'`5B1;1H'`09`09; jump to top left corner
X`09.ascii`09<10>`09`09`09; linefeed
X.if ne $$SOCCER
X`09.ascii`09<esc>'#3                 SOCCER' ; double-height top half
X`09.ascii`09<13><10>
X`09.ascii`09<esc>'#4                 SOCCER' ; double-height bottom half
X.endc
X.if ne $$MQIX
X`09.ascii`09<esc>'#3                 MULTI QIX' ; double-height top half
X`09.ascii`09<13><10>
X`09.ascii`09<esc>'#4                 MULTI QIX' ; double-height bottom half
X.endc
X`09.ascii`09<13><10><10>
X`09.ascii`09<esc>'#6        Thank you for playing'
X`09.ascii`09<13><10><10>
Xtext_len = . - text
X`09.align`09long
Xtext_end_game:
X`09.long`092
X`09.long`09text
X`09.address 10$
X10$:`09.long`09text_len
X
Xtext = .
X`09.ascii`09<13><10><10>
X`09.ascii`09'Game aborted because master '
X`09.ascii`09'player'
X`09.ascii`09' quitted'<13><10><10>
Xtext_len = . - text
X`09.align`09long
Xtext_abort:
X`09.long`092
X`09.long`09text
X`09.address 10$
X10$:`09.long`09text_len
X
Xtext = .
X`09.ascii`09<esc> 'Y' <31+24> <31+1>`09; col 1, row 24
X`09.ascii`09<esc> 'G'`09`09`09; exit graphics
X`09.ascii`09<7> ' Please wait for next game ...'
X`09.ascii`09<esc> 'F'`09`09`09; enter graphics
Xtext_len = . - text
X`09.align`09long
Xtext_wait:
X`09.long`092
X`09.long`09text
X`09.address 10$
X10$:`09.long`09text_len
X
X`09.align`09long
Xusername_jpi:
X`09.word`0912, jpi$_username
X`09.address username_buf
X`09.address username_siz
X`09.long`090
X
X`09.align`09long
Xstart_wait:
X`09.long`09-10000000*5, -1`09`09; wait 5 seconds
Xsecond_1:
X`09.long`09-10000000*1, -1`09`09; wait 1 second
Xsecond_2:
X`09.long`09-10000000*2, -1`09`09; wait 2 seconds
X
X.if ne $$SOCCER
Xupdate_wait:
X`09.long`09-100000*40, -1`09`09; wait 40/100 ths of a second
X.endc
X
X.if ne $$MQIX
Xupdate_wait:
X`09.long`09-100000*30, -1`09`09; wait 30/100 ths of a second
X.endc
X
Xcheck_wait:
X`09.long`09-10000000*5, -1`09`09; wait 5 seconds for checking
Xvalid_move:
X`09.long`09`5EB101110100`09`09; valid moves are 2,4,6,8 and 5!!
Xstart_direction:
X.if ne $$MQIX
X`09.byte`092, 8, 2, 8, 2, 8, 6, 4`09; initial move directions for snake
X.endc
X;.if ne $$TANK
X;`09.byte`096, 4, 4, 6, 2, 8, 6, 4`09;  for tank
X;.endc
X`09.align`09long
Xadd_head_par:
X`09.long`091`09`09`09; parameter list to Pascal routine
X`09.address move`09`09`09; each players move
Xupdate_par:
X`09.long`092
X`09.address outbuf
X`09.address screen_len
Xupdate_par2:`09`09`09; if we have died, then there is no head
X`09.long`092`09`09; to change to a diamond, so write screen
X`09.address screen_buf`09; update directly from global memory.
X`09.address screen_len
X
X`09.psect`09$rwbuf`09wrt, noexe, noshr, pic, page
X
Xmbxname_len = 16
Xmbxname:`09`09`09; room to hold the physical mbx name
X`09.blkb`09mbxname_len
Xmbxname_descr:
X`09.word`09mbxname_len, 0
X`09.long`09mbxname
Xmbxiosb:
X`09.long`090,0
Xmbxbuf_siz = 32
Xmbxbuf:
X`09.blkb`09mbxbuf_siz
X
Xdibbuf:
X`09.blkb`09dib$k_length
X
X`09.align`09long
Xttiosb:
X`09.long`090,0
X
Xsave_bit:`09.long
X
Xttmode:`09`09.blkq
Xttmode_save:`09.blkq
X
Xttbuf_siz = 128
Xttbuf:
X`09.blkb`09ttbuf_siz
X`09.align`09page
X
X.if ne $$MQIX
Xtrans_table:
X`09.blkb`09256`09`09; converts your number to diamond
X.endc
X
Xoutbuf_siz = 2048
Xoutbuf::
X`09.blkb`09outbuf_siz
X
Xmap_range:
X`09.address share_data
X`09.address share_data+<512*3>
Xret_range:
X`09.long`090, 0
X
X
X`09.psect`09$sharedata wrt, noexe, shr, pic, page
Xshare_data:
X
Xgame_count:
X`09.long`09`09`09; count of number of games played
Xmaster_flag:
X`09.long`09`09`09; = 1 if we are master snake
Xabort:
X`09.long`09`09`09; = 1 if all snakes should abort
Xplayer_bits:
X`09.long`09`09`09; bit set if that snake is playing
Xplayers:
X`09.long`09`09`09; bit set if that snake is reserved
Xother_players:
X`09.long`09`09`09; used by master snake to wait for other
X`09`09`09`09; snakes to indicate operation completed
Xmove_count:
X`09.long`09`09`09; incremented every move.  Used for detecting
X`09`09`09`09; other snakes hanging the game
Xgame_going:
X`09.long`09`09`09; <> 0 if a game is going
Xyou_just_died:
X`09.long`09`09`09; bit I set if snake I just died
Xseed:
X`09.long`09`09`09; random number seed
Xstart_position:
X`09.blkl`09snake`09`09; position of starting (1-8)
X;
X;`09`095
X;    1`09+---------------+  3
X;`09`7C`09`09`7C
X;`09`7C`09`09`7C
X;    7`09`7C`09`09`7C  8
X;`09`7C`09`09`7C
X;`09`7C`09`09`7C
X;    4`09+---------------+  2
X;`09`096
X;
Xscore:
X`09.blkl`09snake`09`09; players' score
Xn_games:
X`09.blkl`09snake`09`09; # of games each player has played
Xwins:
X`09.blkl`09snake`09`09; # of wins for each player
Xplayer_pos:
X`09.blkl`09snake`09`09; starting position of each snake
X`09.align`09quad
Xmove:
X.if ne $$SOCCER
X`09.blkw`09snake`09`09; each players move (word)
X.endc
X.if ne $$MQIX
X`09.blkb`09snake`09`09; each players move (word)
X`09.blkb`09snake`09`09; we had some problems overwritting name
X.endc
Xname_size = 32
Xname:
X`09.blkb`09name_size * snake ; each snakes name (32 chars long)
X. = . + 512 - < . - share_data >
X`09.align`09long
Xscreen_len:
X`09.long`09`09`09; # chars to be output
Xscreen_buf:
X`09.blkb`092048`09`09; buffer containing screen update
X. = . + <512*6> - < . - share_data >
X
X
X`09.psect`09$rwdata`09wrt, noexe, noshr, pic, long
X
Xttchan:
X`09.word
Xmbxchan:
X`09.word
Xdata_ready:
X`09.word
Xmaster:
X`09.word`09`09`09; = 1 if we are master snake
Xcontrol_c_flag:
X`09.word`09`09`09; non zero if `5EC typed
Xdead:
X`09.word`09`09`09; bit I set if snake I just died
X`09.align`09long
Xcluster_2:
X`09.long
Xcluster_3:
X`09.long
Xplayer:
X`09.long
Xplayer_efn:`09`09`09; my player efn in cluster 2
X`09.long
Xcurrent_players:
X`09.long
Xchars_left:`09`09`09; # of chars left in buffer
X`09.long
Xchar_pointer:
X`09.long`09`09`09; address of next character
Xlast_move_count:
X`09.long
Xusername_buf:
X`09.ascii`09'            '`09;`09.blkb`0912
Xusername_siz:
X`09.long
X
Xoutbuf_qio:
X`09$qio`09func=io$_writevblk!io$m_noformat,-
X`09`09p1=outbuf
Xoutput_qio:
X`09$qio`09func=io$_writevblk!io$m_noformat
X
Xread_qio:
X`09$qio`09func=io$_readvblk!io$m_noecho, -
X`09`09iosb=ttiosb, efn=flag$v_io, -
X`09`09p1=ttbuf, p2=1, -`09`09; read 1 char with wait
X`09`09p4=term_blk`09`09`09; say no terminators
X
X;`09$qio`09func=io$_readvblk!io$m_timed!io$m_noecho, - ; !io$m_nofiltr,-
X;`09`09iosb=ttiosb,-
X;`09`09p1=ttbuf, p2=ttbuf_siz, p3=0`09; wait time = 0
X
Xterm_blk:
X`09.long`090, 0`09`09; no terminators
X
Xexit_block:`09`09`09; exit handler block
X`09.long
X`09.address snake_exit
X`09.long`091`09`09; 1 argument
X`09.address 10$
X10$:`09.long`09`09`09; exit reason
X
X
X`09.psect`09$$code`09nowrt, exe, shr, pic, long
X
X`09.entry`09-
XTTINIT, `5Em<>
X;+
X; Create a mailbox.  Assign a channel to terminal with an associated mailbox
V.
X;-
X.if ne 0
X`09$crembx_s`09chan=mbxchan, promsk=#`5ExFF00
X`09bsbw`09`09error
X`09$getchn_s`09chan=mbxchan, pribuf=dibbuf_descr
X`09bsbw`09`09error
X`09$fao_s`09`09ctrstr=mbxcnv, outbuf=mbxname_descr,-
X`09`09`09outlen=mbxname_descr, p1=dibbuf+dib$w_unit
X.endc
X`09$assign_s`09devnam=ttname_descr, chan=ttchan
X;`09`09`09mbxnam=mbxname_descr
X`09bsbw`09error
X`09movw`09ttchan, outbuf_qio+qio$_chan`09`09;store channel #
X`09movw`09ttchan, output_qio+qio$_chan`09`09;store channel #
X`09movw`09ttchan, read_qio+qio$_chan`09`09;store channel #
X`09$qiow_s`09func=#io$_setmode!io$m_ctrlcast, chan=ttchan,-
X`09`09p1=control_c
X`09ret
X
X.if ne 0
X`09$qiow_s func=#io$_sensemode, chan=ttchan, -
X`09`09iosb=ttiosb, p1=ttmode`09; get terminal characteristics
X`09bsbw`09error
X`09movzwl`09ttiosb, r0
X`09bsbw`09error
X`09movq`09ttmode, ttmode_save
X`09bbss`09#tt$v_escape, ttmode+4, 80$`09; want escape mode
X80$:`09$qiow_s func=#io$_setmode, chan=ttchan, p1=ttmode
X`09ret
X.endc
X
X`09.entry`09-
XTT1CHAR,`09`5Em<>
X`09clrb`09ttbuf
X`09$qiow_s`09func=#io$_readvblk!io$m_timed!io$m_noecho!io$m_nofiltr,-
X`09`09chan=ttchan, iosb=ttiosb,-
X`09`09p1=ttbuf, p2=#1, p3=#0`09; wait time = 0
X`09cvtbl`09ttbuf, r0
X`09cmpb`09r0, #13`09`09`09; is it <CR> ?
X`09bneq`09100$
X`09clrb`09data_ready
X100$:`09ret
X
XTTREAD::
X;`09blbs`09control_c_flag, 10$
X
X`09tstl`09ttiosb`09`09`09; did we read any characters ?
X`09`09`09`09`09; has read completed ?
X`09beql`09100$`09`09`09; br if no
X`09movzbl`09ttbuf, r2`09`09; get character before next read
X`09$qio_g`09read_qio`09 `09; start read of another character
X;
X;`09$qiow_s`09func=#io$_writevblk,chan=ttchan,-`09; debug write
X;`09`09p1=ttbuf, p2=ttiosb+2, p4=#`5Ex1000
X
X`09movl`09r2, r0`09`09`09; copy character back into r0
X`09cmpb`09r0, #`5EA/a/`09`09; is it lowercase
X`09bgeq`0950$`09`09`09; br if yes
X80$:
X`09cmpb`09r0, #`5EA/ /
X`09beql`0990$
X`09cmpb`09r0, #`5EA/5/
X`09beql`0990$
X`09rsb
X90$:
X`09movb`09#`5EX80, r0
X`09rsb
X50$:
X`09bicb2`09#`5EX20, r0`09`09; make into uppercase
X`09brb`0980$`09`09`09; go check for "5", " "
X100$:
X`09clrl`09r0
X`09rsb
X
X
X`09.entry`09-
XMBXREAD,`09`5Em<>
X;+
X; This is an AST routine which executes when the mailbox record has been rea
Vd.
X; The record itself is a status message which is assumed to say that
X; unsolicited data is available at the terminal
X;-
X`09blbc`09mbxiosb, 100$`09`09; on error, dont re-que read
X;`09we could have SS$_CANCEL or SS$_ABORT from the $CANCEL in the
X;`09exit handler
X`09movb`09#1, data_ready`09`09; indicate data is there
X`09bsbw`09queue_mbxread`09`09; queue another read request
X100$:
X`09ret
X
XQUEUE_MBXREAD:
X`09$qio_s`09efn=#2, func=#io$_readvblk, chan=mbxchan, iosb=mbxiosb,-
X`09`09astadr=mbxread,-
X`09`09p1=mbxbuf, p2=#mbxbuf_siz
X`09blbc`09r0, 100$
X`09rsb
X100$:
X`09bsbw`09error
X`09rsb
X
XTTWRITE::
X;+
X;`09bsbw`09ttwrite
X;`09r3 contains length of buffer to write
X;`09the buffer is outbuf
X;-
X`09movl`09r3, outbuf_qio+qio$_p2`09`09; store length of buffer
X`09$qiow_g`09outbuf_qio
X`09blbc`09r0, 100$
X`09rsb
X100$:
X`09bsbw`09error
X`09rsb
X
X
X`09.entry`09-
Xsnake_screen, `5Em<r2,r3,r4,r5>
X;+
X;`09CALL SNAKE_SCREEN( array, length )
X;`09BYTE ARRAY( LENGTH )
X;`09copies string to update screen into shared memory
X;-
X`09movl`09@8(ap), r0`09`09; get length
X`09movl`09r0, screen_len`09`09; store length
X`09movc3`09r0, @4(ap), screen_buf`09; copy text
X`09ret
X
X`09.entry`09-
Xsnake_write, `5Em<r2,r3>
X;+
X;`09CALL SNAKE_WRITE( array, length )
X;`09BYTE ARRAY( LENGTH )
X;`09writes buffer to terminal in noformat mode
X;-
X`09movl`094(ap), r3`09`09`09; get address
X`09movl`09@8(ap), r2`09`09`09; get length
X50$:
X`09movl`09r2, r0`09`09`09`09; copy length
X`09cmpw`09r0, #512`09`09`09; is it too big
X`09bleq`0980$`09`09`09`09; br if not
X`09movl`09#512, r0
X80$:
X`09movl`09r3, output_qio+qio$_p1`09`09; store address of buffer
X`09movl`09r0, output_qio+qio$_p2`09`09; store length of buffer
X`09addl2`09r0, r3`09`09`09`09; update address
X`09subl2`09r0, r2`09`09`09`09; update length
X`09$qiow_g`09output_qio
X`09blbc`09r0, 100$
X`09tstl`09r2`09`09`09`09; anything else to write ?
X`09bgtr`0950$`09`09`09`09; br if yes
X`09ret
X100$:
X`09bsbw`09error
X`09ret
X
X`09.entry`09-
Xsnake_dead, `5Em<>
X;+
X;`09CALL SNAKE_DEAD( player # )
X;-
X`09subl3`09#1, @4(ap), r0`09`09`09; get # of snake who died
X`09bbss`09r0, you_just_died, 100$`09`09; set flag saying he died
X100$:`09ret
X
X
X
XCANCELTYPEAHEAD::
X`09tstw`09ttchan`09`09; check channel is open
X`09beql`09100$
X`09$qiow_s`09func=#io$_readvblk!io$m_purge!io$m_timed,-
X`09`09chan=ttchan, -
X`09`09p1=ttbuf, p2=1, p3=0`09; do read with 0 length buffer (p2)
X100$:`09ret`09`09`09`09; return with status in r0
X
XERROR:
X`09blbs`09r0, 100$
X`09pushl`09r0
X`09calls`09#1, G`5Elib$signal
X100$:
X`09rsb
X
X`09.entry`09-
Xcontrol_c, `5Em<>
X`09movb`09#1, control_c_flag
X`09ret
X
X
X`09.page
X`09.entry`09-
XSNAKE_INIT, `5Em<r2,r3,r4,r5>`09`09`09`09; snake game
X;+
X;`09I = SNAKE_INIT( player # , game )
X;`09returns I = 1 if you are master snake.
X;`09returns your player # as a integer
X;`09returns game = 1 if there is a game in progress
X;-
X
X`09calls`09#0, ttinit`09`09`09; open terminal
X;
X`09$ascefc_s efn=#64, name=snake_desc_2`09; associate event flag cluster
X`09bsbw`09error
X;
X;`09$open`09fab=snake_fab`09`09`09; open section file
X;`09bsbw`09error
X
X`09$deltva_s inadr=map_range`09`09; delete memory were global
X`09bsbw`09error`09`09`09`09;  memory will be mapped
X`09$crmpsc_s inadr=map_range, flags=#sec$m_gbl!sec$m_wrt!sec$m_pagfil,-
X`09`09gsdnam=snake_map_name, - ; chan=snake_fab+fab$l_stv,`20
X`09`09pagcnt=#4
X`09bsbw`09error
X`09cmpl`09r0, #ss$_created`09`09; are we first to map section
X`09bneq`0950$`09`09`09`09; no
X`09movab`09share_data+4, r3
X`09movc5`09#0, (r3), #0, #512-4, (r3)`09; clear everything except count
X`09$clref_s efn=#flag$v_game+64`09`09; say not game
X`09movl`09#39814571, seed`09`09`09; init random n.g. seed
X`09movl`09#snake, r0`09`09`09; 8 snakes
X20$:
X`09movl`09r0, start_position-4`5Br0`5D`09; init start position
X`09sobgtr`09r0, 20$
X50$:
X`09blbc`09abort, 60$`09`09`09; if not abort --> 60$
X`09callg`09text_abort, snake_write
X`09$exit_s #1
X60$:
X;`09$qio_g`09read_qio`09 `09; start read of another character
X;`09the above line shifted into SNAKE_START
X
X;`09bsbw`09queue_mbxread`09`09`09; start terminal read
X;
X`09bbss`09#0, master_flag, 100$`09`09; see if a master snake exists
X`09`09`09; this should be interlocked on a multi-processor
X;+
X; We will have to be the master snake
X;-
X`09movb`09#1, master`09`09`09; indicate we are master snake
X`09$setef_s efn=#7`09`09`09`09; set for first call
X100$:
X;
X`09clrl`09r1`09`09`09`09; start at player 0 (bit0=1)
X150$:
X`09bbcs`09r1, players, 200$`09`09; see if this snake is free
X`09incl`09r1`09`09`09`09; go to next snake
X`09cmpl`09r1, #snake`09`09`09; have we checked all snakes?
X`09blss`09150$`09`09`09`09; no --> 150$
X`09mnegl`09#1, r1`09`09`09`09; player = -1 means none
X200$:
X`09movl`09r1, player`09`09`09; store my snake number (0-7)
X`09movl`09player, @4(ap)`09`09`09;  and return it
X500$:
X`09movzbl`09game_going, @8(ap)`09`09; return game going flag
X
X`09movl`09r1, r3
X`09blss`09600$`09`09`09`09; no snakes available
X`09$getjpi_s itmlst=username_jpi`09`09; get our username
X`09mull2`09#name_size, r3`09`09`09; get offset to start of name
X`09movc5`09username_siz, username_buf, #`5Ea/ /, #name_size, name(r3)
X`09`09`09`09`09`09; copy username
X600$:
X`09$dclexh_s desblk=exit_block`09`09; declare exit handler
X`09bsbw`09error
X;+
X;`09init translation table for converting all ascii chars for your
X;`09snake to a diamond
X;-
X`09movab`09trans_table, r3
X`09clrl`09r4
X700$:
X`09movb`09r4, (r3)+`09`09`09; store byte
X`09aoblss`09#256, r4, 700$
X`09movl`09player, r0`09`09`09; get our player #
X`09blss`09800$`09`09`09`09; br if no players available
X`09movb`09#`5EA/`60/, trans_table+`5EA/1/+`5EX80(r0)`09; convert us to diamo
Vnd
X`09movab`09trans_table+128, r3
X`09movb`09#`5EA/1/, `5EA/a/(r3)
X`09movb`09#`5EA/2/, `5EA/b/(r3)
X`09movb`09#`5EA/3/, `5EA/c/(r3)
X`09movb`09#`5EA/4/, `5EA/d/(r3)
X`09movb`09#`5EA/5/, `5EA/e/(r3)
X`09movb`09#`5EA/6/, `5EA/f/(r3)
X`09movb`09#`5EA/7/, `5EA/g/(r3)
X`09movb`09#`5EA/8/, `5EA/h/(r3)
X`09movb`09#`5EA/ /, trans_table+`5EA/a/+`5EX80(r0)`09; convert us to space
X800$:
X
X`09movzbl`09master, r0`09`09`09; return master snake status
X`09ret
X
Xmaster_wait:
X;+
X; master snake has to wait some time for other snakes to start playing
X; called from SNAKE_START
X;-
X`09incl`09game_count`09`09`09; say another game being played
X220$:`09clrb`09player_bits`09`09`09; no other players
X`09bbss`09player, player_bits, 400$`09; say I am playing
X400$:
X`09$clref_s efn=#flag$v_synch+64
X
X.if ne $$MQIX
X;+
X;`09randomise starting positions
X;-
X`09moval`09start_position, r4`09`09; starting position numbers
X`09movl`09#1, r2`09`09`09`09; snake index (start at 1)
X500$:
X`09pushal`09seed`09`09`09`09; random number seed
X`09calls`09#1, G`5Emth$random`09`09; random real in r0
X`09addl3`09#1, r2, r3`09`09`09; snake + 1
X`09cvtlf`09r3, r3`09`09`09`09; as real
X`09mulf2`09r3, r0`09`09`09`09; get snake to change pos with
X`09cvtfl`09r0, r0
X`09movl`09(r4)`5Br0`5D, r1`09`09`09; swap these positions
X`09movl`09(r4)`5Br2`5D, (r4)`5Br0`5D
X`09movl`09r1, (r4)`5Br2`5D
X`09aobleq`09#7, r2, 500$
X;
X`09moval`09start_position, r4
X`09movab`09move, r3
X`09movl`09#snake, r2`09`09`09; number of snakes
X600$:
X`09movl`09(r4)+, r0`09`09`09; get start position (1-8)
X`09movb`09start_direction-1`5Br0`5D, (r3)+`09; copy start direction
X`09sobgtr`09r2, 600$
X.endc
X
X.if ne $$SOCCER
X`09movab`09move, r3
X`09clrq`09(r3)+`09`09`09`09; no move to start with
X`09clrq`09(r3)+
X.endc
X;
X`09$setimr_s efn=#flag$v_game+64,-`20
X`09`09`09daytim=second_1`09`09; wait a time for other snakes
X`09$waitfr_s efn=#flag$v_game+64`09`09; say that a game is going
X`09movb`09#1, game_going`09`09`09; say game going
X`09$clref_s efn=#flag$v_endofgame+64`09; say not end of game
X`09$setef_s efn=#7`09`09`09`09; sets event flag for first
X`09`09`09`09`09`09;  call to snake_wait
X`09$setimr_s efn=#flag$v_synch+64,-`09`09
X`09`09`09 daytim=start_wait
X`09$waitfr_s efn=#flag$v_synch+64
X`09; this allows other snakes to set bit saying they are playing
X
X`09rsb
X
X`09.entry`09-
XSNAKE_START, `5Em<r2,r3,r4>
X;+
X;`09CALL SNAKE_START( PLAYERS , START_POSITION )
X;`09INTEGER PLAYERS, START_POSITION(8)
X;`09waits 5? seconds for other players to run game
X;`09The master snake is assumed to have waited some additional time
X;`09Returns PLAYERS, bit I <> 0 if that player is active
X;`09START_POSITION(I) is the starting location of snake I, (1-8)
X;-
X`09$cancel_s chan=ttchan`09`09`09; cancel the outstanding read
X
X`09blbc`09master, 500$`09`09`09; are we master snake ?
X`09bsbw`09master_wait
X`09brb`09800$
X200$:
X`09$exit_s #1`09`09`09`09; game aborted so stop
X500$:
X`09$waitfr_s efn=#flag$v_game+64`09`09; wait until a game starts
X`09blbs`09abort, 200$`09`09`09; if game stopped --> 200$
X`09bbss`09player, player_bits, 600$`09; say I am playing
X600$:`09$waitfr_s efn=#flag$v_synch+64`09`09; synchronise
X`09blbs`09abort, 200$`09`09`09; if game stopped --> 200$
X800$:
X`09movzbl`09player_bits, r4`09`09`09; get player bits
X`09ashl`09#flag$v_done, r4, other_players ; used by master snake
X`09movl`09r4, @4(ap)`09`09`09; store player bits
X`09clrl`09chars_left`09`09`09; cancel type ahead
X`09clrb`09data_ready`09`09`09; make us do a read
X;;`09calls`09#0, canceltypeahead
X`09$qio_g`09read_qio`09 `09; start read of another character
X
X.if ne $$MQIX
X;`09return starting positions
X`09moval`09start_position, r0`09`09; address of new positions
X`09movl`098(ap), r2`09`09`09; address of where to put them
X`09movl`09#snake, r1`09`09`09; number of snakes
X910$:
X`09movl`09(r0)+, (r2)+
X`09sobgtr`09r1, 910$
X.endc
X
X;`09init starting directions
X`09movaw`09move, r2`09`09`09; address of where to put them
X`09movl`09#snake, r1`09`09`09; number of snakes
X900$:
X.if ne $$MQIX
X`09movb`09#`5EA/9/, (r2)+`09`09`09; 9 = invalid move
X.endc
X
X.if ne $$SOCCER
X`09movw`09#5, (r2)+`09`09`09; 5 = stop
X.endc
X
X`09sobgtr`09r1, 900$
X
X`09mnegl`09#1, last_move_count`09`09; invalidate last counter
X
X`09ret
X
X
XSNAKE_WAIT::
X;+
X;`09BSBW SNAKE_WAIT
X; `09wait until we are told to read players command(s)
X;-
X`09blbs`09master, 200$`09`09`09; are we master snake ?
X`09$waitfr_s efn=#flag$v_read+64`09`09; if not then wait for flag
X`09rsb
X200$:`09; master snake waits and then sets flag for all players
X`09$cantim_s reqidt=#check_timer`09`09; cancel checking timer
X`09$waitfr_s efn=#7`09`09`09; wait for previous timer
X`09$setimr_s efn=#8, daytim=check_wait, -
X`09`09astadr=check_ast, reqidt=#check_timer ; set off checking timer
X`09$setimr_s efn=#7, daytim=update_wait
X`09$clref_s efn=#flag$v_update+64`09`09; clear next flag to wait on
X`09movl`09#flag$v_done+64, r2`09`09; clear each players done flag
X`09$clref_s efn=r2`09`09`09`09; player 0
X`09incl`09r2
X`09$clref_s efn=r2
X`09incl`09r2
X`09$clref_s efn=r2
X`09incl`09r2
X`09$clref_s efn=r2
X`09incl`09r2
X`09$clref_s efn=r2
X`09incl`09r2
X`09$clref_s efn=r2
X`09incl`09r2
X`09$clref_s efn=r2
X`09incl`09r2
X`09$clref_s efn=r2`09`09`09`09; player 7
X;
X`09$clref_s efn=#flag$v_synch+64
X`09$setef_s efn=#flag$v_read+64`09`09; tell everybody to do read
X`09rsb
X
X
XSNAKE_READ::
X;+
X;`09BSBW SNAKE_READ
X;`09read all users moves and store them into the byte array MOVES(*)
X;-
X`09bsbw`09ttread`09`09`09`09; read users commands, if any
X`09movl`09player, r1`09`09`09; get our player number
X
X.if ne $$SOCCER
X`09tstw`09r0`09`09`09`09; anything typed ?
X`09beql`0910$`09`09`09`09; br if no
X`09movw`09r0, move`5Br1`5D`09`09`09; store our move
X.endc
X
X.if ne $$MQIX
X`09tstb`09r0`09`09`09`09; anything typed ?
X`09beql`0910$
X`09blss`095$
X`09movb`09r0, move`5Br1`5D`09`09`09; store our move
X`09brb`0910$
X5$:
X`09bisb2`09r0, move`5Br1`5D`09`09`09; r0 = `5EX80 (set parity bit)
X.endc
X
X10$:
X`09addl3`09#flag$v_done+64, player, r1
X`09$setef_s efn=r1`09`09`09`09; say that read is complete
X900$:
X`09blbc`09master, 1000$
X`09$wfland_s efn=#64, mask=other_players`09; wait for all players to read
X`09incl`09move_count`09`09`09; onto next move
X`09$clref_s efn=#flag$v_read+64`09`09; clear next flag to wait on
X`09$setef_s efn=#flag$v_update+64`09`09; tell everybody to update
X`09brb`091050$
X1000$:
X`09$waitfr_s efn=#flag$v_update+64`09`09; wait for all reads to complete
X`09blbs`09master_flag, 1050$`09`09; check for master snake OK
X`09movl`09player, r1`09`09`09; get our player number
X`09clrb`09move(r1)`09`09`09; store our move ( quit )
X1050$:
X`09rsb
X
X
X`09.entry`09-
XSNAKE_PLAY, `5Em<r2,r3,r4,r5,r6,r7,r8,r9,r10,r11>
X;+
X;`09called once at the start of the game.
X;`09I then call the Pascal routine ADD_HEAD to perform the moves.
X;-
X`09blbs`09master, 1000$`09`09; master snake does all the work
X100$:
X`09bsbw`09snake_wait
X`09bsbw`09snake_read
X`09$waitfr_s efn=#flag$v_synch+64`09; wait until screen update there
X`09bsbw`09snake_update`09`09; update screen
X`09brb`09100$
X
X900$:
X`09clrb`09game_going`09`09; tell other snakes games finished
X`09$setef_s efn=#flag$v_synch+64`09; wake other snakes up
X`09bsbb`09snake_update`09`09; write out last move
X`09ret
X
X1000$:`09; master snake moves every snake
X`09bsbw`09snake_wait
X`09bsbw`09snake_read
X`09callg`09add_head_par, L`5Eadd_head ; call Pascal routine
X`09`09`09`09`09; returns 1 if game still going
X`09blbc`09r0, 900$`09`09; game has ended --> 900$
X`09$setef_s efn=#flag$v_synch+64`09; wake other snakes up
X`09bsbb`09snake_update`09`09; update our screen
X`09brb`091000$
X
X
X`09.enable local_block
X500$:
X`09$exit_s #1`09`09`09; game aborted, so exit image
X
Xsnake_update::
X`09blbs`09abort, 500$
X`09blbs`09dead, 80$`09`09; if we are dead, then no head
X
X.if ne $$SOCCER
X`09movc3`09screen_len, screen_buf, outbuf`09; copy update string
X.endc
X
X.if ne $$MQIX
X;`09replace your snake head with a diamond symbol
X`09movl`09screen_len, r0`09`09; get length of output string
X`09movtc`09r0, screen_buf, #`5EA/ /, trans_table, r0, outbuf
X.endc
X
X;`09movl`09player, r2`09`09; get my snake number
X;`09addw2`09#`5EA/1/+`5EX80, r2`09`09; get number with parity bit set
X;`09locc`09r2, screen_len, outbuf
X;`09beql`0950$`09`09`09; could not find it !!!
X;`09movb`09#`5EA/`60/, (r1)`09`09; change to diamond
X50$:
X`09callg`09update_par, snake_write
X`09blbc`09game_going, 100$`09; bit clear if game has finished
X`09bbsc`09player, you_just_died, 60$ ; see if we just died
X`09rsb
X60$:`09movb`09#1, dead`09`09; say we are dead
X`09callg`09text_wait, snake_write`09; tell them to wait for next game_exit,
X`09rsb
X80$:`09; dont copy buffer if no head to update because we are dead
X`09callg`09update_par2, snake_write
X`09blbc`09game_going, 100$
X`09rsb
X100$:
X`09$setimr_s efn=#6, daytim=second_1`09; so we can see last move
X`09$waitfr_s efn=#6
X`09ret`09`09`09`09; return from SNAKE_PLAY if end game
X`09.disable local_block
X
X
X`09.entry`09-
XCHECK_AST, `5Em<r2,r3,r4>
X;+
X;`09called when check_timer expires (2 seconds)
X;`09we should only get here if one of the other snakes has aborted
X;`09or `5ES ed  .  Force the snake out of the game.
X;-
X`09$readef_s efn=#64, state=cluster_2`09; get done flags
X`09extzv`09#flag$v_done, #snake, cluster_2, r2 ; get done flags
X;`09movb`09other_players+1, r3`09`09; get other players
X`09bicw3`09r2, other_players+1, r3`09`09; find players who have not
X`09`09`09`09`09`09; responded
X`09bicw2`09r3, other_players+1`09`09; and say they are dead
X`09clrl`09r2`09`09`09`09; snake 0
X100$:`09bbc`09r2, r3, 200$
X`09clrb`09move(r2)`09`09`09; say snake has quitted
X`09addl3`09#flag$v_done+64, r2, r0`09`09; get event flag
X`09$setef_s efn=r0`09`09`09`09; set event flag so I will
X`09`09`09`09`09`09; wake up on return from here
X200$:`09aoblss`09#snake, r2, 100$`09`09; for all 8 snakes
X
X`09ret
X
X
X`09.entry`09-
XSNAKE_GAME_END, `5Em<>
X;+
X;`09synchronizes the end of the game
X;-
X`09clrb`09dead`09`09`09; we are not dead
X`09blbc`09master, 500$`09`09; if not master snake --> 500$
X`09$clref_s efn=#flag$v_game+64`09; say game not in progress
X`09clrb`09game_going`09`09; and again
X`09$setimr_s efn=#flag$v_endofgame+64, daytim=second_2
X`09clrw`09you_just_died`09`09; reset died flags
X500$:
X`09$waitfr_s efn=#flag$v_endofgame+64 ; wait for end of game
X`09blbs`09abort, 800$`09`09; if we should abort --> 800$
X`09ret
X800$:`09; we must abort. Probably because master snake stopped
X`09$exit_s #1
X
X
X`09.entry`09-
XSNAKE_EXIT, `5Em<r2,r3,r4,r5>
X;+
X;`09called as an exit handler
X;-
X;`09$cancel_s chan=mbxchan`09`09; cancel mailbox read
X
X`09movl`09player, r3`09`09; get my snake number
X`09blss`0980$`09`09`09; we never were playing
X`09clrb`09move(r3)`09`09; make next move a quit
X`09addl3`09#flag$v_done, r3, r2`09; get done bit
X`09bbcc`09r2, other_players, 50$`09; stop master snake from waiting for me
X50$:`09addl2`09#64, r2`09`09`09; make into event flag
X`09$setef_s efn=r2`09`09`09; say input done
X`09bbcc`09r3, players, 60$`09; say this snake available
X60$:
X`09clrl`09score`5Br3`5D`09`09; zero score
X`09clrl`09n_games`5Br3`5D`09`09; zero # of games played
X80$:
X`09blbc`09master, 100$`09`09; are we master snake ?
X`09movb`09#1, abort`09`09; tell all other snakes to abort
X`09clrb`09master_flag`09`09; say no master snake
X`09$setef_s efn=#flag$v_read+64`09; wake everybody up
X`09$setef_s efn=#flag$v_update+64
X`09$setef_s efn=#flag$v_endofgame+64
X`09$setef_s efn=#flag$v_synch+64
X`09$setef_s efn=#flag$v_game+64`09; for people waiting for a game
X100$:
X
X;`09$qiow_s func=#io$_setmode, chan=ttchan, p1=ttmode ;reset terminal
X
X;`09clear screen and put out of graphics mode
X`09callg`09text_end_game, snake_write
X`09blbc`09abort, 200$`09`09; game is not being aborted --> 200$
X`09callg`09text_abort, snake_write
X200$:
X`09$deltva_s inadr=ret_range`09; delete global section
X;`09$dassgn_s chan=snake_fab+fab$l_stv ; deassign channel
X
X`09ret
X
X`09
X`09.entry`09-
XNAME_SET, `5Em<r2,r3,r4,r5>
X;+
X;`09CALL NAME_SET( name )
X;`09set this players name
X;-
X`09mull3`09#name_size, player, r3`09; get our player number (0-7)
X`09addl2`09#13, r3`09`09`09; skip username
X`09movc3`09#name_size-13, @4(ap), name(r3) ; store name in shared memory
X`09ret
X
X`09.entry`09-
XNAME_GET, `5Em<r2,r3,r4,r5>
X;+
X;`09CALL NAME_GET( name , player # )
X;`09returns the name of specified player (1-8)
X;-
X`09subl3`09#1, @8(ap), r1`09`09; get player number (0-7)
X`09mull2`09#name_size, r1`09`09; offset to this players name
X`09movc3`09#name_size, name(r1), @4(ap) ; return players name
X`09ret
X
X`09.entry`09-
XSCORE_SET, `5Em<>
X;+
X;`09CALL SCORE_SET( player #, score , # games , # wins )
X;-
Xplayer_arg = 4
Xscore_arg = 8
Xgames_arg = 12
Xwins_arg = 16
X`09subl3`09#1, @player_arg(ap), r1`09`09; get our player # (0-snake)
X`09movl`09@score_arg(ap), score`5Br1`5D`09; store score
X`09movl`09@games_arg(ap), n_games`5Br1`5D
X`09movl`09@wins_arg(ap), wins`5Br1`5D
X`09ret
X
X`09.entry`09-
XSCORE_GET, `5Em<>
X;+
X;`09CALL SCORE_GET( player , score , # games , # wins )
X;-
X;player_arg = 4
X;score_arg = 8
X;games_arg = 12
X;wins_arg = 16
X`09subl3`09#1, @player_arg(ap), r1`09`09; get player # (0-snake)
X`09movl`09score`5Br1`5D, @score_arg(ap)`09; return score
X`09movl`09n_games`5Br1`5D, @games_arg(ap)`09; return # of games played
X`09movl`09wins`5Br1`5D, @wins_arg(ap)`09`09; return # of wins
X`09ret
X
X`09.entry`09-
Xsnake_game_count, `5Em<>
X;+
X;`09CALL SNAKE_GAME_COUNT( # games )
X;`09returns # of games played (total)
X;-
X`09movl`09game_count, @4(ap)
X`09ret
X
X`09.end
$ CALL UNPACK MQIXM.MAR;13 1312308785
$ v=f$verify(v)
$ EXIT