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Smooth Color Masked Sprites using fast page flip on 48kHere is a quick demo of using char based sprites using the Page flip method: a) Background is copied to buffer b) Sprites drawn on buffer c) Buffer …
... of the sprites too.
[code]
; make tasm understand other ...
END
[/code]
_________________
[B ... -
Smooth Masked Sprites using fast page flip on 48k Part 2Ok, After all the suggestions in Part 1, which were all excellent (Thankyou), I opted on the following: I have 2 x 6k Offscreen areas (Yes, that's …
... [/url]
and the code (TASM) is here
[code]
; make tasm understand other ...
END
[/code] -
The ZX80 lives againI have often wondered if there was ever *any* commercially released software for the ZX80. I have never seen any, or even seen any info about it. Bu…
... if anyone knows ZX80 machine code, maybe there is a way ... -
Smooth Screen ScrollingHi Everyone, Any suggestions on what is the best way to do horizontal scrolling ie. in Zynaps fashion. I am working on a routine at the moment, whi…
Best emulator to use for type-insHi Everyone, I have loads of spectrum basic / mc code I had written when I was at school - some cool stuff, I'd like to type it in (from 4" silver p…
... loads of spectrum basic / mc code I had written when I ...Microdrive repair and D80 snapshottingFirst off - Hi. :) I should really have registered on here aeons ago. Second - I have on one of my old microdrives my only original copy of the Chao…
... fancy, speedy version of the code on WOS. No-one's ... managed to recover the machine code part last time I looked ...Wanted: Code to wait until Border has been drawnWhen my IM2 interrupt fires, I want to wait until the ULA is past the first line of display before drawing. I know I need to wait about 14300T after…
When my IM2 interrupt fires, I want to wait until the ULA is past the first line of display before drawing.
I know I need to wait about 14300T after interrupt but how can I tell if the ULA is now past the border and onto the screen?Checksums in Hobeta filesDoes anyone here have any experience with working with the internals of the Hobeta (aka .$b, .$c ...) file format, or failing that, checksum algorith…
... FAQ[/url], is calculated as[code]
CheckSum=0;
for ...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…
... /> As promised here is the code for the routine.
Derek
[code]
* Each tile when ...
EI
RET
[/code]
[ This Message was ...The incredible shrinking screendumpIn this topic I stated that I would be impressed if the screendump could be smaller than 37 bytes. [url="http://www.worldofspectrum.org/forums/viewt…
... starting at NLINE)
[code]
Start with LLIST ... 27,"K",192,0
[/code]
Index register subtractionHi, Just wondering if there a way to perform SBC HL,BC on the IX or IY registers. I can't find an op code for it, and my assembler doesn't recognise…
... can't find an op code for it, and my assembler ...Best/worst endingsPity this cheap'n'nasty UBB-clone doesn't have polls, one of the many features it lacks. :roll: :) What does anyone think are the best, and worst, g…
... fact that the end-game code doesn't work, so the ...Cobra - scrollingHi everyone, I have been studying some of the code in Ocean' Cobra game using a debugger, in the hope of improving my own scrolling routines. In cas…
... been studying some of the code in Ocean' Cobra game using ... spectrum game.
The code that reprints the screen is ...How do I save to tape, as it wereSo I've written my game, I've written a loading screen, I want to now put everything together with a loader etc so that it is the same as loading str…
... . Basic prog load "" code 16384, then load "" code 32768 etc
randomise ...Outrun vs Chequered FlagIn the latest issue of Retro Gamer its stated that Out Run was the first racer to have undulating hills etc. I reckon Chequered flag was, however cra…
In the latest issue of Retro Gamer its stated that Out Run was the first racer to have undulating hills etc. I reckon Chequered flag was, however craply done. Let's have a show of hands... (Yet) another first for the Speccy?!?
Dave
Discontunied emulatorsDoes anybody know something about Steve Snake, author of Klive? Does he plan to release a new versions? ZX32 seems to stop developing long ago - why?…
... of discontinued products open the code so somebody could continue improving ...Star Tip 2 - Tim Follin's 3 Channel Sound - info reqd.Hello there, I've decided to throw myself in at the deep end and decipher Tim Follin's "Star Tip 2", which produced some incredible 3 channel sound …
... /> Now I've disassembled the code, and I can see where ...Cracking softwareIn the 80-ies I programmed a cracking program to crack exact 48K sized programs like POLE POSITION and A VIEW TO A KILL - CITY HALL. I still have it …
... . I do not mean simple code to enter the BASIC for ...Announce: EmuZWin 2.5 Release 2.2 Post-FinalEmuZWin Version 2.5 Release 2.2 post-FINAL (16-Oct-2004): [-] A small pause added between TAP blocks while loading tape from .TAP image (otherwise s…
... did not lead to update code listing immediately. Fixed.
[*] Small ...Basic info about platformers...I have run a search for an answer to this question and haven't found quite what I was looking for so I thought I would pop a post on here... What ar…
... looking for general info, psudo-code even. This isn't for ...you got it all wrongI never meant to rip off programmers although they seem to think it. I just feel there is a kind of very dangerous elitistic feeling rising here, and…
... time to learn to code, much less code it afterwards. I am ...Savage 3Very popular game Savage (part 3 ) have some firm bug. You score always zero. I find mistake in the code and fixed it. !!!
Very popular game Savage (part 3 )
have some firm bug.
You score always zero.
I find mistake in the code and fixed it. !!!Jeff Minter - But who was YOUR first coding hero?Im still massively a fan of anything Jeff does, despite the fact he usually picks likely to die platforms. I remember in 88 when I was first discove…
... spent ages running through the code of those... it was like ...Sprites flickeringI am trying to write a Spectrum game in machine code. I am still a beginner in programming, however I did much progress recently, i believe. Now I am…
... a Spectrum game in machine code. I am still a beginner ...Spin format & real "Sinclair" compabilityHi to all! May be anybody use real ZX-48? I'm suppose that more of people had waste it many time ago, but I believe that somebody can help me. Can I …
Hi to all! May be anybody use real ZX-48?
I'm suppose that more of people had waste it many time ago, but I believe that somebody can help me. Can I use SPIN programme code with real "Sinclair"? The picture from SPIN format is available for me.Desperately seeking.........Hiya :D Basically Im after any New Generation Software either games or programs, on any format of computer. Once I have the full collection, I will …
... Kid
The Complete Machine Code Tutorial
Corridors of Genon ...
