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nxu/zenochat.tal

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zeno network programs
2024-02-27 14:47:56 -05:00
( zenochat.tal )
( )
( USAGE: uxnemu zenochat.rom ADDR PORT NICK )
( )
( COMMANDS DESCRIPTION )
( /help show help message )
( /names list the current people in the chat )
( /rename NICK change nickname to NICK )
( /quit exit the program )
( )
( DETAILS )
( - max nickname is 8 characters long, not including null )
( - no history, no scrolling )
( - no direct messages, yet )
( )
( MESSAGES )
( - 27 visible lines, 80 chars per line )
( - 5 chars: time "12:34" )
( - 1 char: space )
( - 8 chars: username "theodore" )
( - 1 char: space )
( - 65 chars: message line )
( )
( HISTORY LINE )
( - each history line is 80 bytes )
( - 1 byte: flags, 0x80 is-system, 0x01 is-continued )
( - 2 bytes: padding )
( - 2 bytes: hour [0-23] and minute [0-59] )
( - 9 bytes: nickname + null terminator; empty means system )
( - 66 bytes: text + null terminator )
( - window dimensions: 30 rows by 80 columns )
( - 27 visible lines; 65 text columns )
( )
( USER LIST )
( - 9 bytes, nickname + null terminator )
|00 @System [ &vect $2 &expansion $2 &title $2 &metadata $2 &r $2 &g $2 &b $2 &dbg $1 &st $1 ]
|10 @Console [ &vect $2 &r $1 &pad $4 &type $1 &w $1 &e $1 ]
|20 @Screen [ &vect $2 &w $2 &h $2 &auto $1 &pad $1 &x $2 &y $2 &addr $2 &px $1 &sprite $1 ]
|80 @Controller [ &vect $2 &button $1 &key $1 &fn $1 ]
|90 @Mouse [ &vect $2 &x $2 &y $2 &state $1 &pad $3 &scrollx $2 &scrolly $2 ]
|a0 @File1 [ &vect $2 &ok $2 &stat $2 &del $1 &append $1 &name $2 &len $2 &r $2 &w $2 ]
|b0 @File2 [ &vect $2 &ok $2 &stat $2 &del $1 &append $1 &name $2 &len $2 &r $2 &w $2 ]
|c0 @DateTime [ &year $2 &month $1 &day $1 &hr $1 &min $1 &sec $1 &dotw $1 &doty $2 &dst $1 ]
|0000
@pos $2
@dirty $1
@last-sec $1
|0100
( system settings )
#0280 .Screen/w DEO2
#0168 .Screen/h DEO2
#27ff .System/r DEO2
#039b .System/g DEO2
#1107 .System/b DEO2
( zero page )
#01 .dirty STZ
;input .pos STZ2
( vectors )
;on-refresh .Screen/vect DEO2
;on-key .Controller/vect DEO2
;read-args .Console/vect DEO2
BRK
@usage "usage: 20 "zenochat.rom 20 "chat.server.net 20 "9999 20 "nick 0a 00
@usage-and-exit ( -> BRK )
;usage emit #01 .System/st DEO BRK
@read-arg ( -> BRK )
.Console/r DEI .pos LDZ2 STA
.pos LDZ2k INC2 ROT STZ2 BRK
@save-arg ( dst* maxlen* -> )
#00 .pos LDZ2 STA
.pos LDZ2 ;input SUB2
LTH2 ?usage-and-exit
;input emit #0a18 DEO
;input SWP2 copy
;input .pos STZ2 JMP2r
@read-args ( -> BRK )
.Console/type DEI #00 EQU ?usage-and-exit
.Console/type DEI #01 EQU ?usage-and-exit
.Console/type DEI #02 EQU ?read-arg
( state is 3 or 4 )
;addr LDA #00 EQU ?&addr
;port LDA #00 EQU ?&port
;nick LDA #00 EQU ?&nick
!usage-and-exit
&addr ;addr #00ff save-arg BRK
&port ;port #0005 save-arg BRK
&nick ;nick #000f save-arg
.Console/type DEI #04 NEQ ?usage-and-exit
;read-stdin .Console/vect DEO2
BRK
@read-stdin ( -> BRK ) BRK
@start-client ( -> BRK ) BRK
@update-clock ( -> )
LITr -last-sec STHkr LDZ ( ls^ [zp^] )
.DateTime/sec DEI DUP STHr STZ ( ls^ s^ ; zp<-s )
NEQ .dirty STZ JMP2r ( ; dirty<-s!=ls )
@on-refresh ( -> BRK )
update-clock
.dirty LDZ ?&refresh BRK
&refresh
redraw
#00 .dirty STZ BRK
@on-key ( -> BRK )
.Controller/key DEI
DUP #0d EQU ?&enter
DUP #08 EQU ?&backspace
DUP #20 LTH ?&skip
DUP #7f GTH ?&skip
.pos LDZ2 STA
.pos LDZ2 INC2 .pos STZ2
#00 .pos LDZ2 STA redraw BRK
&enter POP send-msg redraw BRK
&skip POP BRK
&backspace
;input .pos LDZ2 EQU2 ?&skip
POP
.pos LDZ2 #0001 SUB2 .pos STZ2
#00 .pos LDZ2 STA #0028 #015c #4b clear-line redraw BRK
@clear-line ( x* y* len^ -> )
#00 SWP SUB STH ( x* y* [-len^] )
.Screen/y DEO2 .Screen/x DEO2 ( [-len^] )
&loop ( [-i^] )
#03 #20 draw-char ( [-i^] )
.Screen/x DEI2k ( dev^ x* [-i^] )
#0008 ADD2 ROT DEO2 ( [-i^] ; dev<-x+8 )
INCr STHkr ?&loop ( [-i+1^] )
POPr JMP2r ( )
@send-msg
( ;input .pos LDZ2 #010e DEO POP2 POP2 )
!clear-input
@clear-input ( -> )
#0028 #015c #4b clear-line
#0000 ;input STA2
;input .pos STZ2 JMP2r
( TODO: write to intermediary buffers, then write to final topbar buffer )
( this will allow us to handle "long" strings better, e.g. hostnames )
( also consider reorder fields, put people before address )
( write clock last unconditionally with leading space + glyph )
@gui
&topbar
20 15 20 "z "e "n "o "c "h "a "t 20
20 02 20
&username
"c "a "r "o "l "i "n "e 20
20 03 20
&users
"1 "2 "9 20 "p "e "o "p "l "e 20
20 1d 20
&server
( 2001:0db8:85a3:0000:0000:8a2e:0370:7334 - 39 characters long )
( fe80::3210:b3ff:fe77:c5c6/64 )
( 123.156.189.123 - 15 characters long )
"1 "2 "3 ". "1 "5 "6 ". "1 "8 "9 ". "1 "2 "3 20 "1 "9 "9 "9 "9 20 20 20 20 20 20
20 0f 20
&hour
"2 "2 ":
&minute
"0 "3 ":
&second
"0 "9
20 00
&separator
cd cd cd cd cd cd cd cd cd cd cd cd cd cd cd cd
cd cd cd cd cd cd cd cd cd cd cd cd cd cd cd cd
cd cd cd cd cd cd cd cd cd cd cd cd cd cd cd cd
cd cd cd cd cd cd cd cd cd cd cd cd cd cd cd cd
cd cd cd cd cd cd cd cd cd cd cd cd cd cd cd cd
00
&time1 "21:58 20 00
&u1 "alice 20 00
&msg1 "Isn't 20 "this 20 "whole 20 "thing 20 "kind 20 "of 20 "weird? 00
&time2 "21:59 20 00
&u2 "bob 20 00
&msg2 "Nah. 00
&info1 20 c4 c4 20 "013 20 "has 20 "connected 20 c4 c4 00
&time3 "22:02 20 00
&u3 "caroline 20 00
&msg3 "Well, 20 "I 20 "do 20 "think 20 "it's 20 "pretty 20 "wild... 00
&info2 20 c4 c4 20 "013 20 "is 20 "now 20 "called 20 "danny 20 c4 c4 00
&say "Say: 20 00
&edit "This 20 "is 20 "a 20 "test. 00
@draw-str-at ( tint^ s* x* y* -> )
.Screen/y DEO2 .Screen/x DEO2 !draw-str
@two-digit-copy ( n^ s* -> )
STH2 DUP #0a DIVk MUL SUB ( n^ n%10^ [s*] )
LIT "0 ADD STH2kr INC2 STA ( n^ [s*] ; s+1<-asc[n%10] )
#0a DIV LIT "0 ADD STH2r STA ( ; s<-asc[n/10] )
JMP2r ( )
@redraw ( -> )
.DateTime/hr DEI ;gui/hour two-digit-copy
.DateTime/min DEI ;gui/minute two-digit-copy
.DateTime/sec DEI ;gui/second two-digit-copy
#06 ;gui/topbar #0000 #0000 draw-str-at
#03 ;gui/time1 #0000 #000c draw-str-at
#02 ;gui/u1 #0030 #000c draw-str-at
#03 ;gui/msg1 #0078 #000c draw-str-at
#03 ;gui/time2 #0000 #0018 draw-str-at
#02 ;gui/u2 #0030 #0018 draw-str-at
#03 ;gui/msg2 #0078 #0018 draw-str-at
#01 ;gui/info1 #0000 #0024 draw-str-at
#03 ;gui/time3 #0000 #0030 draw-str-at
#02 ;gui/u3 #0030 #0030 draw-str-at
#03 ;gui/msg3 #0078 #0030 draw-str-at
#01 ;gui/info2 #0000 #003c draw-str-at
#03 ;gui/edit #0078 #0048 draw-str-at
#03 ;gui/edit #0078 #0054 draw-str-at
#03 ;gui/edit #0078 #0060 draw-str-at
#03 ;gui/edit #0078 #006c draw-str-at
#03 ;gui/edit #0078 #0078 draw-str-at
#03 ;gui/edit #0078 #0084 draw-str-at
#03 ;gui/edit #0078 #0090 draw-str-at
#03 ;gui/edit #0078 #009c draw-str-at
#03 ;gui/edit #0078 #00a8 draw-str-at
#03 ;gui/edit #0078 #00b4 draw-str-at
#03 ;gui/edit #0078 #00c0 draw-str-at
#03 ;gui/edit #0078 #00cc draw-str-at
#03 ;gui/edit #0078 #00d8 draw-str-at
#03 ;gui/edit #0078 #00e4 draw-str-at
#03 ;gui/edit #0078 #00f0 draw-str-at
#03 ;gui/edit #0078 #00fc draw-str-at
#03 ;gui/edit #0078 #0108 draw-str-at
#03 ;gui/edit #0078 #0114 draw-str-at
#03 ;gui/edit #0078 #0120 draw-str-at
#03 ;gui/edit #0078 #012c draw-str-at
#03 ;gui/edit #0078 #0138 draw-str-at
#03 ;gui/edit #0078 #0144 draw-str-at
#01 ;gui/separator #0000 #0150 draw-str-at
#01 ;gui/say #0000 #015c draw-str-at
#03 ;input #0028 #015c draw-str-at
#08 #20 draw-char ( cursor )
JMP2r
@draw-lit #0000 DIV
@draw-str ( tint^ s* -> )
STH2 ( tint^ [s*] )
&loop DUP STH2kr LDA DUP ?&ok ( tint^ tint^ c^ [pos*] )
POP POP2 POP2r JMP2r ( )
&ok draw-char INC2r ( tint^ [pos+1*] )
.Screen/x DEI2k #0008 ADD2 ( tint^ s/x^ x+8* [pos+1*] )
ROT DEO2 !&loop ( tint^ [pos+1*] )
@draw-char ( tint^ c^ -> )
SWP STH ( c^ [tint^] )
#00 SWP #40 SFT2 ;cp437 ADD2 ( addr* [tint^] )
.Screen/addr DEO2k ( addr* s/a^ [tint^] )
STHkr .Screen/sprite DEO ( addr* s/a^ [tint^] )
.Screen/y DEI2k #0004 ADD2 ROT DEO2 ( addr* s/a^ [tint^] )
STH #0004 ADD2 STHr DEO2 ( [tint^] )
STHr .Screen/sprite DEO ( )
.Screen/y DEI2k #0004 SUB2 ROT DEO2 ( )
JMP2r ( )
@history-append-msg ( user* msg* -> )
JMP2r
@history-append-sys ( msg* -> )
JMP2r
~zenoutil.tal
( 256 chars x 2 tiles/char x 8 bytes/tile = 4096 bytes )
( second tile only uses top 50% )
@cp437
~cp437.tal
( input and args )
@addr $100
@port $10
@nick $20
@input $1000
( compose buffer )
@compose $51 &limit
( 640x480 resolution means 80 x 40 = 3200 characters )
@history $c80 &start =history &limit =history