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old PC with Monocrome Monitor Out.So as discussed in the Carboot sale thread, I have brought and old Apricot Xi. It takes a monochrome monitor via a 9 pin D connector. Now I don't ha…
... /> 4 horizontal sync
5 vertical sync
6 frame ground ... kHz; the frequency of the Vertical Sync Pulses, 72 Hz. The ... -
Difficult to find upper RAM fault.I've recently repaired an issue 3B 48K Spectrum that had a tricky to diagnose upper RAM fault, so I thought I'd post a report of what I found here. …
... black display with thin red vertical lines.
Next, the ... .png[/IMG]
The vertical white markers show the times ... -
What's wrong with this code ?OK, working my way through Jonathan Cauldwells 'How To' tome and I can't get the following to run in either spin or basin. ( iused the assembler in b…
... remember, x is the vertical coord!
ld a ... remember, x is the vertical coord!
ld a ... ld a,(plx) ; player vertical coord.
rst 16 ; ... set vertical position of player.
... -
emulators which support H/V scroll bars?You know, for years I've been using Fuse with a pokey little 4" window and moaning about it because the resize arrows didn't (appear to) work, then I…
... less of it and a vertical scroll bar appears at the ... -
No video in Spectrum 128k +2A Grey[B][COLOR="red"]EDIT: 26-05-2012 = Thread topic edited[/COLOR][/B] Hi everyone, Recently i won a Spectrum 128k +2A Grey at ebay UK. The Spectrum …
... frequency i have some blue vertical lines but not very perfect ... -
Deceiving gamesWhat games you had good expectations. Games which yourself hope to have been better the more you played, but simply doesnt evolved. The first which …
... to be a kind of vertical [I]Defender-cross-SpyHunter[/I ... -
4116 replaced by 4164 - "Noisy" paper?After I replaced my 4116's with 4164's and hooked them up to +5V, disconnected -5V and +12V, I have what looks like vertical lines in the paper, like…
... , I have what looks like vertical lines in the paper, like ... -
Spectrum 48K help neededI hav got an old Specrtum 48K issue 3. When I plug-in power connector it doesn't show the home screen (c) Sinclair.... From about 50 times trying to …
... . Mostly I have white-black vertical bars.
How can I ... -
New recoloured game -Curro JimenezAs promised, here's my new project that brings colour to a monochrome game Apart from adding colour I retouched graphics a little (check tents and c…
... later levels which use smooth vertical scrolling. I did what I ... -
ZX81 back porch fix using LM1881Hello! Has anyone here did the back porch fix for ZX81 using LM1881? I did it this weekend and instead of clear black on white i got black on dark g…
... picture has a lot vertical aftifacts (darker/ligher vertical lines). Probably from ... -
BIFROST* Advanced Programming - part 1In BIFROST*, it's much easier to just make changes in the tile map and let the engine automatically draw & animate everything in multicolor for you. …
... /> int lin[NUM_TILES]; // hi-res vertical tile position
int col ... /> int dlin[NUM_TILES]; // hi-res vertical tile movement
int dcol ... -
BIFROST* Advanced Programming - part 2This second demo shows animated and moving tiles together, and also how to implement collision detection. This knowledge should be enough to implemen…
... /> int lin[NUM_TILES]; // hi-res vertical tile position
int col ...
int dlin; // hi-res vertical tile movement
int px ... -
BIFROST* Advanced Programming - part 3This new demo demonstrates the BIFROST* built-in sprite support that I mentioned before. In BIFROST*, "sprite tiles" are 2 special tiles that BIFROS…
... /> int linEnemy, linPlayer; // hi-res vertical tile position
int colEnemy ... /> int dlinEnemy, dlinPlayer; // hi-res vertical sprite movement
int dcolEnemy ... -
Work out attribute location in MCHow do I go about writing a MC routine which calculates the attribute address from a set of PRINT co-ordinates. I know you in basic you multiply the…
... in basic you multiply the vertical co-ord by 32 add ... -
Interview with Steve Wetherill (Odin)Hi you all!!! Here is the interview done to STEVE WETHERILL (Nodes of Yesod, Robin of The Wood, Arc of Yesod, Heartland... ?Odin!) and published at […
... have had time to add vertical jumping and platforms to Heartland ... -
BIFROST* Advanced Programming - part 4In previous posts I demonstrated how to move multicolor tiles up and down smoothly by a single pixel, and sideways by an entire char (8 pixels). Thi…
... /> int lin[NUM_TILES]; // hi-res vertical tile position
int hrc ... /> int dlin[NUM_TILES]; // hi-res vertical tile movement
int dhrc ... -
TESTROM3 - utility/rom for test your ZXHere is TESTROM3 utility as 16kB ROM file + flasher for install this rom to divide eeprom (or mapram mode). Work also on ZX Spectrum without ROM and …
... can see in first videoram vertical lines with roll effect.
BIFROST* Advanced Programming - part 5In my [URL="http://www.worldofspectrum.org/forums/showthread.php?t=40437"]previous post[/URL] I demonstrated how to move multicolor images smoothly i…
... /> int linPlayer; // hi-res vertical tile position
int hrcPlayer ... int dirPlayer; // hi-res vertical sprite movement
int ... />
// update player vertical position (up/down stairs)
Just bought a Spectrum+. Doesn't work. Red bars on screen.Hi all, Something of a noob here. Having recently been on holiday, I came across a Spectrum+ in a box, with a collection of games in a shop, and, af…
... get an alternating pattern of vertical red bars - it switches between ...Very weird +2 problem.After two days, I'm still fighting this grey +2. Symptoms: When I first got it, there were stray pixels on the screen, and stray lines and colours. …
... replaced by black and white vertical stripes, one character wide.
BIFROST* Advanced Programming - part 6The purpose of this demo is somewhat different from previous ones. Instead of teaching a new technique, the main goal here is to demonstrate how much…
... int linPlayer; // hi-res vertical tile position
int hrcPlayer ... int dirPlayer; // hi-res vertical sprite movement
int ... [NUM_ENEMIES]; // hi-res vertical tile position
int ..."Knightmare", new game by ClimacusYes! The day has come. Climacus has already published via Bytemaniacos web site his new game. After successing with Speccy Bros and RetroInvaders, re…
... conversion from a MSX classic vertical shooter called "Knightmare", released in ...The great 128k ConversionWell, I am not sure if it is going to be great. Hopefully it will! This evening, I set about getting my Issue 6A Spectrum Plus working. I suspecte…
... about the electrolytics. There were vertical bars moving horizontally across the ...Is the 128K heatsink's TV out modulator kit repairable?I have a 128K+ Spectrum that is working absolutely fine and is giving out the perfect picture from its RGB out socket (with the right cable ofcourse)…
... satisfactory.... it has two distorted vertical bands and there are clicks ...My 48K Speccy has died.Hi fellow WoSer's! Wondering if you could help me with my rubber key 48k Spectrum, which died on me this afternoon. It is one I prevoiusly fixed up j…
... black paper area with red vertical lines which have dashes in ... border, black paper with the vertical lines. Tried several times reseting ...DivIDE on +3Hi guys! I need some help with my DivIDE interface. It?s a standard DivIDE from Ebay, no Plus. It works quite well, but actually I have three proble…
... not recognized. I use a vertical 2 x CF card adapter ...QL composite question...Hello guys, I have two QLs, both in excellent condition with new membranes, capacitors, all plastic caps for the slots etc... Although I've made th…
Correction of +2 hardware errorsThis is a collection of various pieces of information picked up from various places, including a lot from this forum. I have edited it and reworded i…
... TEA2000).
TR5 provides the vertical Sync. (V.Sync.) output on ...
