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Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
... RAMTOP.
When you PUSH something, it subtracts two ... registers) there. If you PUSH again, it moves down ... />
Note that PUSH and POP work on register ...
Another old trick - PUSH and POP are actually a ... means 'POP a number off the stack, and jump ... -
Maze Mania - How did they do it?Hi, I was looking at the game "Maze Mania" by Hewson Consultants, written in 1989. The game can be downloaded from here [URL]http://www.worldofspec…
... /> PUSH HL
PUSH BC
PUSH DE
EXX
PUSH HL
PUSH ... 64000.
The trade off of course if that the ... :-)
So the trade off is to use the earlier ... -
Fastest Block Drawing Code?Following on from my scrolling thread [URL="http://www.worldofspectrum.org/forums/showthread.php?p=351304#post351304"](http://www.worldofspectrum.org…
... and use POP to read off the screen address straight into ... line. Just remember not to PUSH or POP anything, and to ... -
Fastest Block Drawing Code?Following on from my scrolling thread [URL="http://www.worldofspectrum.org/forums/showthread.php?p=351304#post351304"](http://www.worldofspectrum.org…
... and use POP to read off the screen address straight into ... line. Just remember not to PUSH or POP anything, and to ... -
Brand new River Raid remake?one of my friend is trying to make a riverraid remake on flash just to have fun, I checked zx spectrum port of river raid. it is bad, really bad, jer…
... in doubt, use trial and error to adjust it.
off inside a playable game. I ... -
car problemsmy bird's car stopped working this morning, it wont start, the negine makes a noise but doesn't kick in. it s aford fiests zetec, automatic. does a…
... />
yeah took 3 sites off google, and they seemed to ... her job) it'll be push to the breakers yard if ... -
Brand new River Raid remake?one of my friend is trying to make a riverraid remake on flash just to have fun, I checked zx spectrum port of river raid. it is bad, really bad, jer…
... doable (and I can rhyme off the code for doing it ... / PUSH HL / PUSH DE / PUSH BC / PUSH AF / EX AF,AF' / EXX / PUSH HL / PUSH DE / PUSH ... BC / PUSH ... -
Brand new River Raid remake?one of my friend is trying to make a riverraid remake on flash just to have fun, I checked zx spectrum port of river raid. it is bad, really bad, jer…
... />
I said the POP/PUSH method will only work on ... the later machines, so the PUSH wouldn't have quite so ... , and you'd be better off on a 128K or a ... -
SCREEN$ 1.9e Released!And here's another update! [url]http://paul.dunn.googlepages.com/SCREEN_1.9e.rar[/url] There's a few new things in this release, but it's mostly bu…
... /> ************[/CODE]
I turned off all the optional effects except ... I couldn't identify any error in the log. Could it ... -
I am currently playing......Don't know if there's been a thread like this, but I can't find one.... Having seen all the different threads asking people if they've played such a…
... AI opponents are trying to push me off the road, or actually ... me..Also, they can spin off the track when you're ... -
SCREEN$ 1.9e Released!And here's another update! [url]http://paul.dunn.googlepages.com/SCREEN_1.9e.rar[/url] There's a few new things in this release, but it's mostly bu…
... =zxbruno;352368]
I turned off all the optional effects except ... I couldn't identify any error in the log. Could it ... -
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 …
... /> READ TOKEN ; 2
PUSH VALUE(2) ; Push value into ROM CALC ... /> READ TOKEN ; ( // We need to Push the operation here, and reenter ... the need for stuff like error-checking and looking up commands ... -
The amazing Miles Mad Mission thread!Following on from the "Thuderstorms" thread! The JSW I mocked up for a laugh then decided to actually do is under construction. As promised I said …
... , lets see if I can push the room numbers to 50 ... 've already started to finish off.
Still need to ... to dust the hex editor off to get it right :roll ... the entire room for "About off-topic Threads" (this one is ... -
Bram Stoker's Dracula - the test adventure: Hard or what??Hi guys, this is a great website. Without the thoughtful people who posted the scanned magazine walkthrough guides for the above-mentioned game, I wo…
... a T-junction. Pathways stretch off to the east and west ... series. Stupid Nintendo! Trial and error mazes are not fun! -
Bram Stoker's Dracula - the test adventure: Hard or what??Hi guys, this is a great website. Without the thoughtful people who posted the scanned magazine walkthrough guides for the above-mentioned game, I wo…
... a T-junction. Pathways stretch off to the east and west ... series. Stupid Nintendo! Trial and error mazes are not fun![/QUOTE ... -
MDOS3 on mapram?Hi! I just got my divIDE (the firmware is fatware) Is it possible to run the MDOS3 on the mapram of the divIDE? What file (.tap)should I 'run' in or…
... , but I only got an error like 'cannot flash'...
I ... "cannot flash". It's not error, system is istall to DivIDE ... used after reset. After power-off will this system from divide ... -
River Raid Tech DemoJust a little something to look at. Enjoy. [URL="http://www.joefish.co.uk/speccy/Joefish_River_Raid_Tech_Demo_01.tap"]Joefish_River_Raid_Tech_Demo_…
... [B]gasman[/B]'s PUSH system I now have some ... attribute each line. With the PUSH system they can now have ... as possible - chopping 1/3 off the height is not something ... listed with one of the PUSH statements swapped for an OUT ... It's a long way off an actual game. -
Need to read code start and length from a +3 diskso i can transfer them to my internal ZXMMC interface and my mind has died as to how to do it (i know how to for a tape) any help or a general kick i…
... 110 IF err0 THEN PRINT "Error ";err: STOP
... /> inc bc ;Filename
push bc
;
; ... /> pop hl ;Filename
push hl
ld bc,5 ... ld de,2 ;Open file, error if not found
... /> ;
finish:
push af
ld bc,7FFDh ... -
E3 begins!There were some seriously fantastic announcements at the MS booth, but one of them stood tall above others I would say: Project Natal featuring full…
... controller. Maybe this could trigger off a new wave?
push the new medium!
New V Mini seriesJust saw the trailer for the new V Mini series... After all the promise of a follow on set 20 years after the original they've gone and done a Battle…
... except who he was, Firefly, Push Nevada, Firefly, Eerie Indiana, Firefly ... ...
Battlestar Galactica. Started off well, but I lost it ... SG1 (There's a spin off too)... Rapid decent into mediocrity ...Legality surrounding T-Shirts designs?Hi everyone....I going to ask bit of a noob question here because I haven't got the first idea where to start. I've recently helped launch a retro t…
... really don't want to push ahead with an of this ... [/i] design!' and get pissed off about it, I know that ... won't intentionally rip anybody off.
It is for ...games you love, but you're crap at themGunfighter [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0002177[/url] it's such a great game, loads of rooms, loads of characters to shoot,…
... , and when anyone tries to push you off, stand up quickly then ... is too busy telling you off to teach the class. Typical ...games you love, but you're crap at themGunfighter [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0002177[/url] it's such a great game, loads of rooms, loads of characters to shoot,…
... , and when anyone tries to push you off, stand up quickly then ... here.' sentence before scrolling him off the screen, otherwise the teacher ... be immune to getting knocked off your seat (glitch in the ... got enough time to bunk off then you'll just have ...Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
... Spectrum
LD HL,(ERR_SP):PUSH HL ; Save current ERR_SP
LD HL,CheckRet:PUSH HL ; Fake a return address ... from stack
.CheckRet ; An error returns to here
POP ...The end of analogue radioWell, it seems that analogue radio will be more or less obsolete by 2015, the BBC has decided to cross over to digital transmission in 6 years. All …
... might as well just bin off all broadcasting entirely and make ... networks would be wanting to push video phones next. That needs ...XBox red light help needed!!Does anyone here know of a sure-fire (apart from the smashing the s*** out of it :grin:) way to get around this? (I remember someone here mentioning …
... to type in the number off the sticker on the back ... managed to get an actual error code by holding the sync ...Post your best SCRs - Image to ZX Spec 1.0.1 and beyondI've been playing around with Image to ZX Spec's encoding algorithms and I've achieved a "half colour" floyd steinberg mode, that it, the image is pa…
... (the error diffusion is 100% meaning colours were very off when mapped ... so it only has 50% error allowing the colours to just ... their originals due to little error. The original Atkinson had ... specifically, but less colour error means less likelihood of wrong ...Windows problem - please helpA friend of mine's PC (XP service pack 3 *shudder*) has a problem - when he connects a USB stick the PC hardware Blue Screen of Deaths, a known probl…
... [/B] (or click [B]Turn Off Computer[/B]), click [B]Restart ... ] You may receive the following error message: C:\System Volume Information ...+3 Centronics port: How does it work?I've been trying to follow the code with Fuse's debugger and I can't see it writing anywhere except to port 0x1ffd. It also jumps through some fairly…
... tortuous hoops just to return error J if you try and ... /> ret
;
lpt_ready:
push bc
ld bc, 0FFDh ...
