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If you could choose one extra colour for the ZX Spectrum??The post "Im not trying to start a flame war......" by Ewgf got me thinking. The ZX spectrum had 8 colours. 15 if you count the bright as separate …
... you'd have 64, 128 or 256.[/QUOTE]
... you have 3 x 3 x 3 = 27 colours). The Spectrum only ... bright, resulting in 2 x 2 x 2 x 2 = 16 colours.
... pre-defined palette of colours hard-coded into the ... couldn't easily introduce colours such as brown or ... -
Screen resolutions and the Speccy's limits?What list of screen resolutions/palettes could the ZX Spectrum feasibly produce on a standard PAL TV if RAM, ULA or other space constraints is not a …
... /> 96 x 96
96 x 128
96 x 160
96 x 192
128 x 64
128 x 96
128 x 128 ...
128 x ... -
Screen resolutions and the Speccy's limits?What list of screen resolutions/palettes could the ZX Spectrum feasibly produce on a standard PAL TV if RAM, ULA or other space constraints is not a …
... /> 96 x 96
96 x 128
96 x 160
96 x 192
128 x 64
128 x 96
128 x 128 ...
128 x ... -
New version emulator ZEsarUX-2.1Hi I have uploaded a new version of my ZX80/81/Spectrum/Z88 emulator on http://sourceforge.net/projects/zesarux/ Changes are: Added Cocoa…
... video driver for Mac OS X version. You no longer ... palette, Radastan Mode: 128x96, 16 colours per pixel. Also new modes 16 colours per ... Load"
Fixed Z88 colours
Fixed Z88 blinking frequency ... or rom mapped on Spectrum 128 models, and "seg0", "seg1", ... -
The Programmers Development System (PDS)Hi everybody, I recall this system has been mentioned several times on WoS forums. Last time was, I think, when those sources from Maz Spork (Buggy …
... X/Y flip, sprite priority etc. Each character consists of 16 colours defined ... is 61 (four palettes * 15 colours + background colour) although some ... />
dc.l stack+4*128 ; SP AFTER RESET
dc ... AFTER RESET
org 96
dc.l rte ... -
ZX Uno programming competition[b]Rules[/b] - The game tematic is free. The languaje can be english or spanish. - You must use Radastan video mode in the game as principal. - …
... br /> [code];Picture viewer for Radastan mode (128x96x16)
;To ... 128x96 with a palette of 16 colours
; - Save ...
ld b,96
BucPintaScans push ... ldir
ld bc,-128
add hl,bc ... -
Spectrum 128 Graphics - A missed opportunity?The Spectrum 128 is my favourite model of the Spectrum - the pinnacle of the Sinclair miracle before it was hijacked by Amstrad. But I can't help thi…
The Spectrum 128 is my favourite model of ... one of 4 colours out of the palette of 16
16 colours (8 bright, 8 normal)
colours out of the palette of 16, or with ... have seen on the Spectrum 128? -
Machine Code Sprites Example Code Using Char Based SystemBelow is my WIP code to do smooth screen wrapping sprites using char positions and offsets, as opposed to writing direct to a line (0-191) and shifti…
... /> DEFB 0,128,192, 96, 32, 32, 16, 16
DEFB 16, 16, 32, 32 ... ; On Entry:
; C Contains X (0-31)
; B Contains ... ; BC preserved
; Example X=20,Y=10 (This address ... -
IM2 Machine Code Sprites Example Code Using Char Based SystemFurther to my earlier post, here are sprites running using char method with IM2 driving it Note, for 48k spectrum using TASM [code] ; ***********…
... ; On Entry:
; C Contains X (0-31)
; B Contains ... ; BC preserved
; Example X=20,Y=10 (This address ... /> DEFB 0,128,192, 96, 32, 32, 16, 16
DEFB 16, 16, 32, 32 ... -
Smooth Screen Scrolling RoutineHi everyone, this is a follow up to the thread on smooth screen scrolling. As promised here is the code for the routine. It's pretty long and fairl…
... being 4 x 2 chars. This gives 16 screens to ... 72,64,128,128,128,128
DEFB 15,112,128,0,96,128,0, ... DEFB 0,0,128,64,32,16,8,4,4,2 ... B2 DEFB 128,128,128,128,64,64,64,32,32,16,8,4 ... ,4,4,8,16,32,64,128,0,0
* divisible by 16 then the row is completed ... -
New Functions for Sinclair BasicA total of 52 new functions can be added to Sinclair BASIC; 26 numeric functions (A-Z) and 26 string functions (A$-Z$). Owing to the internal structu…
... FN A(x,y)=(128 AND INT (x/128)+INT (y/128)=2)+(64 AND ... INT (FN V(x,128 ... )/64)+INT (FN V(x,128)/64)=2)+ (32 ... (FN V(FN V(x,128),64),32),16),8)/4)+INT (FN ... $>64 AND CODE l$96 AND CODE u$ -
Problem with rotating procedureHi folks! I wrote a proc in z80 asm, based on: x' = x * cos (z) - y * sin (z) y' = x * sin (z) + y * cos (z) I used a precalculated table of sin a…
... asm, based on:
x' = x * cos (z) - y * sin (z ... ,a
ld a,96
ld hl,(yr)
db 16,16,16,16,16,16,16,16
db 17,17,17 ... 128,64,32,16,8,4,2,1
db 128,64,32,16 ... -
Vector font in BASiCHi guys) Some fifteen years ago I saw a quite short BASIC prog that could simulate a vector font with size/ thickness/ italicization params. I remem…
... $="STAR": LET y=159: LET x=16: LET o=1: LET t ... LET a$="E": LET y=16: LET x=48: LET t=4 ... LET a$="I": LET y=96: LET x=176: LET l=4 ... a$="E": LET y=128: LET x=240: GO SUB 9000
x=96: LET t=4: LET h ... XX XX": LET y=16: LET x=5: GO SUB 9000< ... -
line routineWondered if anyone can help me out. I have been programming a 3d graphics library for the spectrum, in Machine code. The line routine that I have i…
... ******************************************************************
; Plot pixel at (x,y) coordinate.
; The ( ...
.db 16,16,16,16,16,16,16,16
.db ... /> .db 96,96,96,96,96,96,96,96
.db 128,128,128,128Fire Ruby - More HelpI cant pass the spikes in the fire ruby by lawrence creighton, can someone please help? [ This Message was edited by: welsh_brawler on 2003-08-08 21…
... bed....
Message 96
{16}{6}It's a Very ... gunpowder.
Message 128
{16}{5}It also has a ... 35
MESSAGE 96
DONE
X BED AT 12 ...T.I.M. - A New Interlace - Demo for DOWNLOADHere's something that's been in the works for quite a while ( mostly in my head ) and recently I've aquired assistance to help it come to fruition. …
... generate the different colours. With careful choices, some colours are flicker free ... consider a 30 byte wide x 96 vertical pixel display, with blank ... even rows so that only 96 vertical pixels needs to be ... anonymous on 2004-04-06 16:53 ]IM2 Machine Code Sprites Example Code Using Char Based SystemFurther to my earlier post, here are sprites running using char method with IM2 driving it Note, for 48k spectrum using TASM [code] ; ***********…
... ; On Entry:
; C Contains X (0-31)
; B Contains ... ; BC preserved
; Example X=20,Y=10 (This address ... /> DEFB 0,128,192, 96, 32, 32, 16, 16
DEFB 16, 16, 32, 32 ...IM2 Machine Code Sprites Example Code Using Char Based SystemFurther to my earlier post, here are sprites running using char method with IM2 driving it Note, for 48k spectrum using TASM [code] ; ***********…
... ; On Entry:
; C Contains X (0-31)
; B Contains ... ; BC preserved
; Example X=20,Y=10 (This address ... /> DEFB 0,128,192, 96, 32, 32, 16, 16
DEFB 16, 16, 32, 32 ...Pixel LimitIF Y3<192 THEN : LET x2=INT (128+X*A*SIN A): LET y2=INT (Y3): DRAW INK
[quote]
On 2004-11-16 21:44, dalmudlee wrote:
< ... /P
1730 LET Y3=96+Y*A*COS A
DMA interface for ZX Spectrum[url]http://velesoft.speccy.cz/data-gear.htm[/url] This is internal DATA-GEAR interface for any 8-bit computer with Z80CPU. Use Direct Memory Access…
... your 800kb for the speccy 128 is about right given a ... can help lcd convert retro X for sam coupe atom lite ... 5&6 to add 16 colours to mode 3 screen what ... base addresses for another three 16 colour paletes for use in ...New colors / switchable color palette with regular ULA ?Hello. This may be an ignorant question but I just thought about it today and wanted to post it here to get some opinions. OK, so, today, while goin…
... saturation. You can get colours outside the usual RGB ... output the standard 15 colours. Anything you do globally ... to do enhanced colours is with the 128 (or +2, ... instead you could have 16 colours chosen from 64. Bright ... instead you had a 16 x 6 bit lookup table ...Sinclair Research Limited - An Alternate Reality.So, we all know that Sinclair Research went down the tubes because of a lack of focus on the core product, computers. We know that Clive wasted it on…
I just wish the Spectrum 128 had been given some new ... with four colours per 8 x 8 square, and maybe 16 colours too, plus ... or more colours.
By all accounts the Commodore 128 was ... the C64, but the Spectrum 128 was basically the 48K but ...Sinclair Research Limited - An Alternate Reality.So, we all know that Sinclair Research went down the tubes because of a lack of focus on the core product, computers. We know that Clive wasted it on…
... with four colours per 8 x 8 square, and maybe 16 colours too, plus ... or more colours.
By all accounts the Commodore 128 was ... the C64, but the Spectrum 128 was basically the 48K but ... />
I agree the Speccy 128 needed more, but I dispute ...Screen resolutions and the Speccy's limits?What list of screen resolutions/palettes could the ZX Spectrum feasibly produce on a standard PAL TV if RAM, ULA or other space constraints is not a …
... really do 256x192 (though some 128 demos kinda do a 256x384 ... modes give you 32 colours, 256 colours or 8 colours plus a separate ... ), a planar 256x192 mode giving 16 colours and no colour clash, a ... of Cesar's variations on Radastan mode), and of course the ...How to stop a flickering character erasure?I'm trying to figure out how to build a moving sprite. Eventually it will be made up of several UDG's. However its early days yet so I'm experimentin…
... features like sprites, tilemaps, 256-colours-per-pixel and 14MHz (processor ... CLEAR : TILE DIM 18,0,16,16: TILE BANK 17
1020 ... : NEXT i
1030 TILE 16,11 AT 0,0 TO ... BIN 11000011," ",
1040 LET %x=7: LET %y=5: LET ... =0
1050 PROC char(%xSpectrum vs Vic 20 - cast your vote (please!)As I mentioned earlier this week, the Spectrum goes head to head with the Commodore Vic 20 in this week's round of the Micro Mart 'computer world cup…
... AY chip of the Spectrum 128. The Vic 20
displayed ...
64). Both machines had 16 colours: the Spectrum could only display ...
