-
Oh so BRIGHT!What is the SLOWEST way to change the attribute area to BRIGHT? It has to be legit! No meaningless instructions or doing stuff for the sake of it. …
... FOR y = 0 TO 23
20 FOR x = 0 TO 31
0; AT y-22,x; PAPER ... -
Oh so BRIGHT!What is the SLOWEST way to change the attribute area to BRIGHT? It has to be legit! No meaningless instructions or doing stuff for the sake of it. …
... y=INT(RND*24)
20 LET x=INT(RND*32 ... y>21 THEN PRINT #0;AT y-22,x; PAPER ... -
Oh so BRIGHT!What is the SLOWEST way to change the attribute area to BRIGHT? It has to be legit! No meaningless instructions or doing stuff for the sake of it. …
... Y Co-ordinate: "; y
20 IF y23 THEN GO TO ... y>21 THEN PRINT #0; AT y-22,x; PAPER ... -
Oh so BRIGHT!What is the SLOWEST way to change the attribute area to BRIGHT? It has to be legit! No meaningless instructions or doing stuff for the sake of it. …
... br /> 10 LET boxposx=0: LET boxposy=0
11 LET ... 1;0,boxbigy: DRAW BRIGHT 1;-boxbigx,0: DRAW BRIGHT 1;0,- ... 0: DRAW 0,boxbigy: DRAW -boxbigx,0: DRAW 0,-boxbigy
17 BRIGHT 0: OVER 0 ...
19 REM start point of floodfilling
20 ... -
Oh so BRIGHT!What is the SLOWEST way to change the attribute area to BRIGHT? It has to be legit! No meaningless instructions or doing stuff for the sake of it. …
... ]10 FOR f=0 TO 175
20 FOR g=0 TO 255 ... -
Bwah ha ha ha!!! This is a joke, right??[url]http://cgi.ebay.co.uk/star-wars-rare-zx-spectrum-vintage-game-48-128k-7_W0QQitemZ120046497025QQihZ002QQcategoryZ112866QQssPageNameZWDVWQQrdZ1QQc…
... it usually went for ?15-?20 boxed with manuals. Suddenly one ... most bids were by new 0 rated members. So I looked ... -
Ways to use double buffering in basicI was meddling with woody's print stream code where you can print characters at any pixel location on screen. I was playing with 12 sprites, very ann…
... REM Ramdisk double buffer
20 LET port=23675
30 ... i= 1 TO 20
2100 FOR j= 0 TO 20
2110 ... CLS
2120 PRINT AT 0,j ... CLS
2220 PRINT AT 0,j;"Hello, world"
2230 ... -
Ways to use double buffering in basicI was meddling with woody's print stream code where you can print characters at any pixel location on screen. I was playing with 12 sprites, very ann…
... /> [code]
10 rem ***********************
20 rem * dbuf2.bas *
30 ... /> 1250 let points=0
1260 let yb=0
1270 let ... $=chr$ 17+chr$ 6+chr$ 20+chr$ 1+s$
1290 ... 3400
3230 let y=20:let x=pos
3300 ... -
Spectrum +2a Keyboard bug?If anyone has a Working +2a... I bought a +2a for Christmas 1986 with an 80 Column thermal printer from Dixons. It was bundled with a tape supposed…
... 's, and bridged them with 0.1uF caps. Helped an awful ... not be a big enough delay.
Or you could ... -
Recursive functionsA while ago Phil demonstrated a nice example of recursiveness in a DEF FN function. Sadly it doesn't appear to be online anymore and I have difficult…
... number of discs"; n
20 let s=1: let e ...
1000 if n = 0 then return
1010 let ... -
Speccy Film/TV License that bears the least similarity to its sourceI was thinking earlier today about the computer game version of [i]Jaws[/i] that was published in 1989 or thereabouts and has pretty much nothing to …
... /> 10 BORDER 0: PAPER 0: INK 7: CLS
20 PRINT "Bob says ... -
Looking for 'Your Computer' gravity simulation type inHi, In one of the old Your Computer mags, in the type in progs section near the back, there was a Speccy program which simulated interaction between…
... /> 10 REM Input Data
20 CLS : PRINT "MODEL UNIVERSE": PRINT ... =";g
50 LET dt=0.1: LET a1=a1*PI ... -
Looking for 'Your Computer' gravity simulation type inHi, In one of the old Your Computer mags, in the type in progs section near the back, there was a Speccy program which simulated interaction between…
... /> [code]
30 LET m1=20: LET v1=5: LET a1 ... =30: LET x1=20: LET y1=20: LET m2=10: LET ... /> 10 REM Input Data
20 CLS : PRINT "MODEL UNIVERSE": PRINT ... =";g
50 LET dt=0.1: LET a1=a1*PI ... -
Urgent Help needed to fix this: calling all machine code gurusI am currently trying to write tutorials on the amazing Orfeus music composer by Proxima which allows you to do multi channel music through the beepe…
... de,hl
jr l8c0f ; (-20)
l8c23: ld hl,l8d59 ... de,hl
jr l8c26 ; (-20)
l8c3a: ld hl,l8d82 ... de,hl
jr l8c3d ; (-20)
l8c51: xor a
LABEL1:
DEFW 0
LABEL2:
DEFB 0
adc a ... -
Manic Miner paintingsAnyone seen these? [url]http://www.digitalretro.org/[/url] Nifty, if pricey.
... /> My first PC (386 SX 20 with a whole 1MB expandable ... to 4MB) had windows 3.0 on it which was imediately ... -
Spectrum Basic InterpreterHello. I started this days a strange project: an interpreter of the Spectrum Basic that can run in a Spectrum. Here is a very preliminar version: […
... /M 3 SID - Version 3.0
NEXT MSZE PC END ... .............Hel
5CD3: 6C 6F 20 77 6F 72 6C 64 ... 48 65 6C 6C 6F 20 77 6F 72 6C 64 ... -
SCART Lead and C= 1940 MonitorHi, I've decided to make a SCART lead for my +3 I've been doing a lot of searching on the internet and forums but I'm a little confused as some peop…
...
ORANGE Composite sync 4 - 20 Video in
GREEN RGB ... drain pin 1 down to 0.84V and prevent the auto ... -
Bug in CONTINUE?I've found this anomaly in Spectrum Basic, but I don't remember have seen it in lists of ROM bugs: 10 FOR i=1 to 3 20 PRINT i 30 IF i=2 then PRINT a…
... /> 10 GO TO 100
20 IF 1 THEN PRINT "P ... /> 110 POKE 23618, 20
120 POKE 23619, 0
130 POKE ...
C Nonsense in BASIC, 20:1
The problem ... -
I'm in need of help hereI've been using the 'COMB' and 'TRANSFER' programs on Lerm's Utility D package to convert copy-protected (Speedlock, Alcatraz etc) 48k games onto +3 …
... ,237,121,33,0,128,17,0,192,1,0,64,237,176 ... / Start Address to load)
0 16 49152
1 17 ... /> 3 19 49152
4 20 49152
5 16 16384 ... -
Mame-esque Frontend For Emulators?Hi All Other than GamebaseZX that doesn't seem to be updated very often, has anyone thought of creating a new frontend for the emulators which could…
... .
Ver 0.36 is pretty good for >20 year oldies. -
ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…
... you plan to page in 0-16k of the dock permanently ... would have code starting at 0 in the DOCK. A cartridge ... screen mode without a massive delay loop that would suck the ... -
Who knows how to program a "pathfinder"?Hi all. I like to play games like "Colour Lines" and I think, I will create a version of this game for the SAM Coupe. It looks easy - until this "dam…
... pathfinder with Dykstra algorithm
20 DIM a$(9,9): REM ...
500 PRINT AT 10,0;
510 FOR f=1 ... -
Noob to Z80 needing +3 helpI'm quite new to z80 programming, but i'm attempting to write some kind of windowing system that will run alongside BASIC on my +3 with Kempston mous…
... USR 32768, "move", a, 100, 20
[/code]
*move a, 100, 20
[/code]
... flag:
defb 0 ; flag has default 0 value
text ... a quote
defb 0 ; I like to ... ROM 3 and RAM 0, and somehow replicate ... -
Tranferring a game back to +3 disk?Hi, Haven't been on here for ages, but got my Spectrum down from the loft recently, due to a house move in the next few months. I'd forgotten, but so…
... Robocop 2.dsk]
Head 0, 42 tracks:
250Kbps ... 9 sectors, 512 bytes:
0:0 193 198[d] 194[d ... 8192 bytes:
1:0 193[dc,d]
2 ... ]
19:0 193[dc,d]
20:0 193[dc,d ... 72 73
40:0
41:0 [/code]
Robocop ... -
Autorun BASIC programsIs it possible to write a basic program which will autorun after typing in LOAD ""? Thanks
... length of line)
20 POKE 23659,0 : REM no low screen ... -
Autorun BASIC programsIs it possible to write a basic program which will autorun after typing in LOAD ""? Thanks
... length of line)
20 POKE 23659,0 : REM no low screen ... length of line)
20 POKE 23659,0: REM no low screen ... -
Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …
... LET L=0: LET R=0:LET U=0:LET D=0: REM UP ... ,LEFT, RIGHT DOWN NOT PRESSED
20 ... -1+R: REM UNDO BIT 0
90 LET L=A ... -
Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …
... LET L=0: LET R=0:LET U=0:LET D=0: REM UP ... ,LEFT, RIGHT DOWN NOT PRESSED
20 ... -1+R: REM UNDO BIT 0
90 LET L=A ... -
Little BASIC gameTry to make all standard BASIC-errors and tell us how you did it. Not allowed i.e. : PRINT USR 1362 D - Break cont-repeats but ok 10 GO TO 10 RU…
... exist[/B]
FORMAT "";0
[B]i Invalid ... [/B]
FORMAT "p";0
[B]j Invalid ... SAVE ! "a" 1,60000
20 load ! "a" 50000,60000
10 LET a$="2"
20 FOR i=1 to 2000 ... -
I/O contention model questionHi everyone, Sorry for my poor english. Together with a friend we are working on ZX Spectrum 48k implemented in FPGA. We have found bug in the Spect…
... :
Cycle # Delay
------- -----
14335 6 ... 14341) no delay if A14=1,A15=0 or iorq ... +mreq=00
14336 5 ( " " ) no delay ... if A14=1,A15=0 or iorq+mreq ...
