-
Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... on plane 128. SP1 supports 256 sprite planes with sprites located ... "gfx_playerColour[]" array from the draw plot function in display.c where ... -
another c64 vs. Speccy site...[url]http://c64vsspectrum.com/[/url] 25 years and we are still brawling.. ;)
... " layout of screen memory, eg 256 bytes represent a column - hence ... the same 256-byte column, as gfx data only takes 192 bytes ... -
another c64 vs. Speccy site...[url]http://c64vsspectrum.com/[/url] 25 years and we are still brawling.. ;)
[QUOTE=TVzombie;236123]192 bytes raster, 48 bytes attributes, ... need more time to step 256 bytes per column rather than ... -
help sought with first foray into machine code - pixel scrolldownI have started to code my first machine code program, a simple roadrace game. I've based it around the pixel scrolldown routine in 40 Best Machine Co…
... backwards down the display file 192 times (that figure is loaded ... by an amount other than 256 to go back to the ... -
help sought with first foray into machine code - pixel scrolldownI have started to code my first machine code program, a simple roadrace game. I've based it around the pixel scrolldown routine in 40 Best Machine Co…
... line end
ld c,192 ;count no. of lines to ... up is 7 lots of 256 up the display file
256 up the display file
Speccy sound on tv show - againRemember the spectrum loading noise in two CSI shows? Well, fuzzix on c.s.s. has found what seems to be another clip of Speccy goodness: [url]http:/…
... .bytemark.co.uk/speccy_wire/plot.rb]a second Ruby ... script to plot the data in the ... show the bits at offset 256...767 and so on). ... vm.bytemark.co.uk/speccy_wire/plot.gif]plot.gif[/url].
< ... br /> On that plot I noticed some diagonal bands ...Disappearing/appearing effectI remember doing a small routine in BASIC which could be used to cover the attributes section randomly, until all 704 characters were filled with the…
... program I did is "Random Plot" - also on that page ... That could be modified to "plot" attribute squares instead. It's ... y=INT (r/256): LET x=r-y*256: PLOT x,y: ... about following the "Random plot not so random" thread ... area and the slow PLOT command wouldn't be ...Disappearing/appearing effectI remember doing a small routine in BASIC which could be used to cover the attributes section randomly, until all 704 characters were filled with the…
[QUOTE=BloodBaz;257184]
How wide would the bits need to be to do a pixel version of this routine?
I guess:
No. of pixels = 256x192 = 49152 = 1.5 * 2^15, therefore, your internal state would have to be at least 15 bits long.
[/ ...St. Michael Micromasters: Computer GamesHi, The [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=2000988"]St. Michael Micromasters: Computer Games[/URL] book doesn't currently have a…
[CODE]
100 rem slalom
110 gosub 1000:let bl=1:gosub 2000
120 data 48,48,24,252,27,48,31,248
130 data 128,241,255,255,143,129,129,1
140 border 7:paper 7:ink 0:cls
150 let w=30:let d=21:let g=10:let j=7
...New oneliners for 2008[INDENT][INDENT][INDENT]Here's my attempt at a first-person-perspective 3d game in one line of BASIC. It's called 'wormhole', and you've got to get t…
... had it's own seperate PLOT command, and three DRAW commands ... draw onto all of the 192 lines.
We of course ...Safari probs in a Mac.A friend of mine gets kicked out of Yahoo mail (Safari/Mac) for no apparent reason but gets this error message. Any idea what the problem might be? …
... .print.framework.Print 5.2 (192.4)
/System/Library/Frameworks ...
Memory Module: DIMM0/J11, 256 MB, DDR SDRAM, PC3200U-30330 ...
Memory Module: DIMM1/J12, 256 MB, DDR SDRAM, PC3200U-30330 ...Head over Heels on the C64Dunno if this' a good place to bring this up :D I've been comparing Head over Heels versions and the C64 version is way inferior, everytime there's…
... only speeded up using a 256 Byte LookUp table. I know ... . If you actually have to plot individual pixels then yes, it ...Any BBC aware Specchums out there?After the UK101 and VIC20 emulators I've moved my sights onto emulating a BBC computer. This emulator will be different though in that it will be a Z…
... MOS) calls. For example PLOT 69,500,600 is converted ... DRAW is just a different PLOT number. Therefore [I]all ... BBC has 32 rows (256 line), the Spectrum/Timex/ ... be to get basic PLOT/DRAW and LOAD/SAVE ... emulator might have to 'plot' characters anyway to support ...Retro-X Alpha availableChanges from WIP 7 (Alpha 3) to Alpha 4 ( 1.5.08 - 14.5.08 ). Requested by and help by - in brackets. Bugfixes: * Viewer: o File list not displaye…
... think it is possible to PLOT up to 619 256x192 Spectrum ... 191
c=a&192+(a&7)3
RGB on speccy ?hi, just a question : are you aware of scene demo trying emulate rgb ? i was a bit ill last few days so laying in bad i come with a (stupid ?) idea.…
... basic idea was (256/4)x(192/4 or 192/3) screen with ... to emulate hi-color in 256 color 320x400 VGA mode.Screen access in assemblerI am again troubled by the unusal screen design of the Spectrum. :) If I want to do something with, say, a 16x16 bit block of the screen (in the sam…
... you'll align table on 256 bytes boundary and make it ... 512 bytes long, with 256 LSB first (192 actual and 64 dummy ... values) and 256 HSB next, you ...Screen access in assemblerI am again troubled by the unusal screen design of the Spectrum. :) If I want to do something with, say, a 16x16 bit block of the screen (in the sam…
... you'll align table on 256 bytes boundary and make it ... 512 bytes long, with 256 LSB first (192 actual and [B]64 ... dummy values[/B]) and 256 HSB ...Small BasicFor all those people who ask "where's the equivalent of Sinclair BASIC for today's generation", I give you (a link to) [url=http://msdn.microsoft.com…
... have had that with a 256 x 192 graphics window and colors ...Skool Daze disassemblyWhile developing [url="http://pyskool.wordpress.com/"]Pyskool[/url], I've also been putting together a disassembly of Skool Daze and Back to Skool, m…
... allowed for 256); in Back to Skool, the skool was 192 character ... flipped in memory (using a 256-byte "mirror" lookup table) to ...A scrolling starfield - help needed!I have been messing on my speccy again recently and tried to do a scrolling (parallax - maybe) starfield. I know how to scroll using machine code but…
... di
ld b,192; 192 lines in the ZX screen ...
ld de,256; de=256,hl=src
...
ld de,256; de=256,hl=dest
ex ... copy line from location "(7*256)-32" = +1760 more than ... A; effectively multiply result by 256
; ...A scrolling starfield - help needed!I have been messing on my speccy again recently and tried to do a scrolling (parallax - maybe) starfield. I know how to scroll using machine code but…
... scrolling starfield with parallax. Uses plot/erase star method (not ... br />
CALL PLOTSTAR ; plot the stars initially
POP ... give offset to screenbase (16384/256)
LD H,A ; ... ,A; effectively multiply result by 256
;which ...Difference in emulator screen sizes and coloursSeeing as Greencard's gone out drinking... I've done a comparison between Spectaculator and ZXSpin. ZXSpin's full screen with border is taller than S…
... retrace.
Then the 192 screen+border lines are displayed ... that a frame is (64+192+56)*224=69888 T states ... screen line to start with 256 screen pixels, then border, then ...Please help me complete this lil'programI'm editing Basic programs that were saved in Timex TOS discs, and every load command starts with LOAD *"filename". If I want to go through these pr…
... ]9997 LET s=PEEK 23635+256*PEEK 23636: LET e=PEEK ... 23627+256*PEEK 23628: CLS :
PRINT AT 0,0;"Working...": PLOT ... =PEEK 23627+256*PEEK 23628: FOR f=s TO e: PLOT x ...Best way to store vector images in Sinclair BASIC?Let's forget for a moment that Sinclair BASIC is slow. If I have a picture made entirely of vector images, what would be the best way to store that d…
... you don't need to plot starting point for every line ... Y can never go beyond 192, you can use 193+ numbers ... ][dx]...
(px,py = plot y,x) (dx,dy=draw ... the stream, then you can plot again to draw a new ...Sinclair BASIC compiler for PC?Boriel's compiler is very powerful but it isn't meant for Sinclair BASIC, and the old compilers in the archive have their limitations: BASIC listing …
... 006,012,024,048,096,192,128,000
DEFB ... 124,198,222,222,222,192,124,000
DEFB ... 000
DEFB 060,102,192,192,192,102,060,000
...
DEFB 060,102,192,192,206,102,062,000
poke uinteger 23606,@Fontdata-256
Print "Test"
...DATA BIN - How to read the contentOkay I hit a snag with my Image to ZX Spec program that the plot/draw command eats too much memory. So I want to use DATA BIN to insert converted jp…
... bytes long (32bytes wide and 192 pixels height) followed by 768 ... what you've done with PLOT and DRAW...).DATA BIN - How to read the contentOkay I hit a snag with my Image to ZX Spec program that the plot/draw command eats too much memory. So I want to use DATA BIN to insert converted jp…
... bytes long (32bytes wide and 192 pixels height) followed by 768 ... what you've done with PLOT and DRAW...).[/QUOTE]
Draw (x1,y1) to (x2, y2)?I was never very good at math. :( Given the above variables, what should I do to draw a line between the two pixels? How do I calculate the values fo…
... Sinclair BASIC:
[code]PLOT x1, y1
DRAW x2 ... does the magic:
30 PLOT x1, y1: DRAW OVER 1 ... x1 = INT (RND*256): LET x2 = INT (RND*256)
110 LET ...Best way to store vector images in Sinclair BASIC?Let's forget for a moment that Sinclair BASIC is slow. If I have a picture made entirely of vector images, what would be the best way to store that d…
... X=-255..255 and Y=-192..192. As a result, you ... internally. Byte 1 = Command (PLOT, DRAW) etc and extra DRAW ... {COMMAND + parameters} where each COMMAND (PLOT, DRAW, STOP) takes a known ... requirements.
Relative Plot and Absolute Draw: [B]PLOTR ...Rainbow Generator for 48K Spectrum using PUSHThis is what I came up with from [B]gasman[/B]'s suggestions. It's stable in ZXSpin and ZX32 simulating a 48K Speccy. Anyone like to try it on the …
... ,x; #4; "some text";. All 256 characters can be redefined. USR ... new data area).
; PRINT, PLOT, CIRCLE and DRAW now function ... equ 0x5c36 ; start of font - 256
chans equ 0x5c4f ; start ...
