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Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... fired in the tape. Nothing on screen apart from some flickering. Turned ... least kicking up a loading screen) I don't think there ... through bootstrap (black border), synchronisation (blue border) and calibration (red border ... -
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... see if it works outside on the real thing? (There is ... be obvious in the loading screen)[/QUOTE]I recorded to tape ... stays white with thin blue lines; the screen stays black. I don ... -
Finders Keepers+I know a few of you are interested in this project so I thought it was about time I started a proper thread for it rather than just slipping bits int…
... be limited to running 48K machines now, and most ... emulators (including me) so 48K or 128K there is ... just use the 48K version's loading screen? If need ... be, there are some very good artists on ... this forum who'd happily knock up a loading screen ... -
Finders Keepers+I know a few of you are interested in this project so I thought it was about time I started a proper thread for it rather than just slipping bits int…
... be limited to running 48K machines now, and most ... emulators (including me) so 48K or 128K there is ... just use the 48K version's loading screen? If need ... be, there are some very good artists on ... this forum who'd happily knock up a loading screen ... -
Simulate errorshi, i would like to know if its possible to simulate errors on an emulator? Like bad memory or bad ULA. Salut
... have here spectrum 48k issue 4b, on reset the screen goes like this ... like ti simulate the error on an emulaor. -
Some problems with 2 ZX Specturm board'sHi, last week i got some ZX Spectrum stuff. Also 2 ZX Spectrum 48K's, one in the orginal case the anoter one in a DK'tronixs case. Both have problem'…
... i got some better picture on my issue 2 board.
48k board's?
blue fringing on the text).
on IC6 (rightmost 4116 chip) and ... -
Finders Keepers+I know a few of you are interested in this project so I thought it was about time I started a proper thread for it rather than just slipping bits int…
... , you'll get your name on the new FK+ credits roll ... bad taste (in my opinion)) on screen. Everybody who helps out will ... a cut down thanks/credits screen on the 48K version of FK+ due ... -
A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…
... B] is active, the entire screen is [B]bicolor[/B] ... the surrounding character border in blue in my screenshots).
... could directly modify the bitmaps on screen (without attributes), then use ... Whenever you draw a btile on screen, it will stay forever there ... -
A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…
... B]bicolor[/B] graphics everywhere* on screen.
In practice ... B]"btiles"[/B] anywhere on screen (even partially hidden outside ... "btile" sprites anywhere on screen during the upper border, ... ENGINE[/B] works on all standard Spectrum models (48K, 128K, + ... -
Small demo to show my sprite engine for ZX Spectrum 48KThis demo shows 13 sprites moving at 50fps totally flicker free: 12 enemies bouncing in edges and the main character, controllable with OPSA (note S …
... version. The problem with 48k is the flickering, it' ... ) a 40000 cycles flip screen every frame. This is ... sprites in a bigger screen area. I estimate about ... a limit about 20 sprites on screen. The key in the ... between normal a shadow screen at the begining of ... -
Small demo to show my sprite engine for ZX Spectrum 48KThis demo shows 13 sprites moving at 50fps totally flicker free: 12 enemies bouncing in edges and the main character, controllable with OPSA (note S …
... 128k version. The problem with 48k is the flickering, it's ... observed) a 40000 cycles flip screen every frame. This is almost ... a limit about 20 sprites on screen. The key in the 128k ... - each buffer corresponding to a screen third), and basically make your ... -
Pyskool 1.1Pyskool 1.1 has been released. Pyskool is a remake of Microsphere's Skool games written in Python and Pygame. It's designed to be very customisable …
... , you're off screen (similar to the blue room bug in BTS ... to run to get back on screen, after that it behaves normally ... -
New CPU and Spectranet oddity.I have no reason to suspect this problem is due to a fault/poor design of the Spectranet, but understanding what it does at system initialisation may…
... problem with ISSUE3B board Spectrum+ 48K. Replacing the Z80 CMOS CPU ... and black and white stripes on screen with some color blocks (similar ... -
Just brought my first ZX Spectrum+ help please!I need some help please guys! Just brought my first ZX Spectrum +, I never had one of these back in the days so I know nothing about them! All is …
... the ?1982 Sinclair Research Ltd? screen, should I be able to ... ]
I got a 48K+ which was in mint condition ... see the equivalent key press on screen.
Purchase from RWAP ... -
****ing Awesome Spectrum Engine (FASE)This is a new engine (sprites, tiles, map) for all ZX Spectrum machines. The engine set ups a runtime enviroment that leave between 24K and 30K byt…
... 'm very impressed - lots going on on-screen and pretty fast, smooth movement ... in one:
[LIST]
[*]48K. Normally we have about 20 ... the flickering. We use shadow screen, so while we show one ... without floating bus and shadow screen. This is the worst case ... -
Game loopJust working on my first ever Spectrum game, and am struggling to work out what the game-loop should look like. I've got interrupts enabled (mode 2)…
... want to just XOR sprites on screen, it may be acceptable to ... that draws completed graphics to screen one character square at a ... a sound effect using the 48K beeper that spanscross several frames ... , you are not moving sprites on the screen :). You can try to ... -
Ghosts n' Goblins loaderI'm trying to put Ghosts n' Goblins onto a +3 disk but struggling to understand the mc loader. Basic loader [code] ink 7 : clear 25000 : load "" cod…
... />
BTW, I read on some thread that the problem ... because it used some data on ROM to decrypt. As ... some garbage on screen, and then it resets (even in 48k mode). In ... decrypted version (those found on 6 Pak Vol 3 and ... bug seems to be on the loader. -
FBSThis is one of those things that is more like an experiment than a real project. I was trying to do this in BASIC, then realised my BASIC was too ru…
... pixels set on screen and not scrolling them, but having blue ink on blue paper ... be required for the next screen column that is of a ... it if you write it blue on blue before the column of green ... -
Tile routinesHi all, Please does anyone have any examples of tile routines in pure asm to set up maptile screens. I would like to try and understand them and ti…
... colours on the Spectrum:
0 = Black
1 = Blue
screen address. This is the ... HL containing attribute co-ordinates on screen
ld a,(de) ; ... it in the right place on screen[/code]
[ ... -
Tile routinesHi all, Please does anyone have any examples of tile routines in pure asm to set up maptile screens. I would like to try and understand them and ti…
... ld (hl),a ; put on screen
inc h
... HL containing attribute co-ordinates on screen
; *****************
on screen
; *****************
blue ink
tile_3:
... -
New games - should they be 48K or 128K?Here's a question for new games - which machine should they be developed on? If I write a game for the 48K Spectrum, is it appreciated that it will …
... was designed to work in 48K. I guess it's an ... like to write for the 48K, for the challenge of keeping ... I want to do in 48K, but when it comes to ... it would go for full-on screen-paging, sound effects etc. If ... way to do it in 48K.
Mind you, just ... -
New test for finding missing +2A/+3 ULA timing detailsHello, having added the +2A/+3 emulation recently, I want to make sure I got the ULA timing 100% right. We know when the contention pattern starts, …
... red line starts above the blue square?)
141376 + 228 ... />
I have no pixels on screen, just the coloured blocks and ... -
New test for finding missing +2A/+3 ULA timing detailsHello, having added the +2A/+3 emulation recently, I want to make sure I got the ULA timing 100% right. We know when the contention pattern starts, …
... red line starts above the blue square?)
141376 + 228 ... ]
Yes, above the blue square. I take it the ... ]
I have no pixels on screen, just the coloured blocks and ... now two blue pixels in each colored block, which on +2A/+3 ... -
Spectrum Not Responding to Keyboard InputHello, sorry if this thread is not in the correct place, This is my first post and I'm not sure where to post this type of thread. :lol: Anyway, I r…
... stripes on the screen. The Second one is a large blue square ... screen also has some white squares randomly placed inside the blue square on ... the screen. The final screen that appears ... to the copyright Sinclair screen after a couple of ... -
ZX Alien Breed - WIPI'm sure a lot of you have seen the discussion in the New Game Ideas area about a Speccy version of the classic Amiga game Alien Breed. I've been dro…
... this version. Of course, 6-screen levels does sound a bit ... I'm currently 'limited' to 48k as I haven't looked ... now got a live alien on-screen and tracking the player left ... -
Spectrum+ keyboard issueHi I have a spectrum+ (issue 4s board) where the 1-5 keys do not work. I have replaced the membrane and checked for continuity. I have also tested …
... don't have a 16K/48K (rubber keyboard) membrane to hand ... or letter should be printed on screen. Work your way through all ... -
ZX Spectrum 48K Issue 3, loss of -5V rail.Hi all, I've googled this problem and poured over the electrical diagrams for the circuitry concerning the power supplies and I believe I know what …
Ok, picture of screen display is white border and ... vertical lines appear, some times blue, some times magenta.
Feels ... , which of course never appears on screen.
Seems a boot that ... -
ZX Spectrum 48K Issue 3, loss of -5V rail.Hi all, I've googled this problem and poured over the electrical diagrams for the circuitry concerning the power supplies and I believe I know what …
... =Renegade;783084]Ok, picture of screen display is white border and ... vertical lines appear, some times blue, some times magenta.
Feels ... , which of course never appears on screen.
Seems a boot that ... -
Beautiful codeSome people see beauty or something sublime in maths formulas and equations, can anyone suggest examples of beautiful or sublime programming?
... on all extended memory verslons of a ZX81 (48K ... also put the loader on the screen, as well as routines ... see the stack writing on the screen while generating, but ... and again free for the screen.[/QUOTE]
... doesn't count (is on screen area) and works in ...
