-
Reason for strange display layout?I have always wondered if there is any technical reason behind the strange layout of the display file or why did Sinclair choose to do it this way?
... Speccy layout, eliminating a line counter register and the looping jump ... -
Reason for strange display layout?I have always wondered if there is any technical reason behind the strange layout of the display file or why did Sinclair choose to do it this way?
... Speccy layout, eliminating a line counter register and the looping jump ... -
Games Collection for Sale on EBayHi There's a pretty big collection of my Speccy games up for sale on EBay if anyone's interested: [URL="http://search.ebay.co.uk/_W0QQsassZmatthew.…
... the Lance (Tape only)
Hewson Four Smash Hits (Exolon, Zynaps ... -
Reason for strange display layout?I have always wondered if there is any technical reason behind the strange layout of the display file or why did Sinclair choose to do it this way?
... no need for a loop counter. Using EXX only adds 4 ... -
eBay success tips, number 97When selling goods on eBay, be sure to include an enticing photograph to emphasise the quality of the item. [url]http://cgi.ebay.co.uk/ws/eBayISAPI.…
... , I mean look at his counter ... and it's not because ... -
eBay success tips, number 97When selling goods on eBay, be sure to include an enticing photograph to emphasise the quality of the item. [url]http://cgi.ebay.co.uk/ws/eBayISAPI.…
... , I mean look at his counter ... and it's not because ... -
Challenge: try to survive more than ten seconds in this gameThe game "[B]Oriental Hero[/B]" is almost unbelivable difficult. Does anyone manage to stay alive for more than ten seconds? :-) [url]http://www.wo…
Hahah, what a classic! I managed to hit two baddies in sequel, but that's about it.. That flying thing, how the heck do you counter that?? -
Challenge: try to survive more than ten seconds in this gameThe game "[B]Oriental Hero[/B]" is almost unbelivable difficult. Does anyone manage to stay alive for more than ten seconds? :-) [url]http://www.wo…
... not found any way to counter yet. Anyone who can find ... -
PZX file format draft[QUOTE=Andrew Barker;186084]To this date, there is no rival format for TZX, despite people saying they can do better. Well the challenge is on, prov…
... zero and then set the counter register to be either small ... -
Game Programming Source Code & Startup HelpHi there, I'm planning on porting an existing commercial title to the speccy. I'm in the process of disassembling the original code and commenting i…
... routine will push the program-counter onto the stack, most likely ... -
Butch-hard guy. How many levels?Hi I have recently completed Butch-the Hard Guy and submitted rzx walkthrough to Rzx Archive. One thing wonders me however. All magazine reviews of …
... added onto the level checking counter instead of the usual one ... -
Mmmmmm Fish & ChipsJust to rub it in to all you ex-pat WOSers I'm sat here with a nice steamy plate of Fish & Chips complete with an eye watering amount of vinigar. Go…
... when the woman behind the counter says do you want your ... -
Mmmmmm Fish & ChipsJust to rub it in to all you ex-pat WOSers I'm sat here with a nice steamy plate of Fish & Chips complete with an eye watering amount of vinigar. Go…
... told the lass behind the counter where I signed on I ... -
Konami Coin Op Hits questionHi I don't quite know where to put this, mods can move my post if they like. I've recently purchased the Konami Coin Op Hits (by Imagine) compilati…
... screen loads and the onscreen counter) for Hypersports while the other ... -
Legend of Avalon Soloution.HIya, I am looking for the complete solution for the Legend of Avalon by Hewson Consultants, its a bought time i completed it since ive had the game…
... and again.
Shame Hewson never made any more. Astro ... -
Comments for small "sprite" routine wantedI have just written my first machine code program and I am quite happy (and proud) to get it working! :smile: As a child I never learned anything e…
... line
dec e ;decrease counter for lines
jr nz ... -
Comments for small "sprite" routine wantedI have just written my first machine code program and I am quite happy (and proud) to get it working! :smile: As a child I never learned anything e…
Hi. I don't have time to look properly through your code at the moment, but one thing I would say is if you're using B as a counter, replace "DEC B / JR NZ, ..." with "DJNZ ..." - it does the same thing but quicker and with less bytes. -
Comments for small "sprite" routine wantedI have just written my first machine code program and I am quite happy (and proud) to get it working! :smile: As a child I never learned anything e…
... 're using B as a counter, replace "DEC B / JR NZ ... could use it instead of counter E and could use DJNZ ... -
Comments for small "sprite" routine wantedI have just written my first machine code program and I am quite happy (and proud) to get it working! :smile: As a child I never learned anything e…
... basic
ld b,8 ;counter, number of bytes in graphic ... -
Comments for small "sprite" routine wantedI have just written my first machine code program and I am quite happy (and proud) to get it working! :smile: As a child I never learned anything e…
... basic
ld b,8 ;counter, number of bytes in graphic ... -
Why the name "8-bit computer"?The Spectrum was called an 8-bit computer, but what does that mean? For modern hardware and operating systems (32 or 64-bit) it seems to be the poss…
... big popularity.
PC (program counter) is 16-bit in practically ... -
How does interrupts work?I am a little confused regarding the interrupts on the Spectrum. If I have some hundred bytes of machine code started with, say, [B]RANDOMIZE USR 300…
... there is a 24 bits counter for the computer up-time ... -
How does interrupts work?I am a little confused regarding the interrupts on the Spectrum. If I have some hundred bytes of machine code started with, say, [B]RANDOMIZE USR 300…
... there is a 24 bits counter for the computer up-time ... -
How does interrupts work?I am a little confused regarding the interrupts on the Spectrum. If I have some hundred bytes of machine code started with, say, [B]RANDOMIZE USR 300…
... .
DEC BC Decrease the counter.
LD A,B If ... the counter is thereby
OR C ... -
How does interrupts work?I am a little confused regarding the interrupts on the Spectrum. If I have some hundred bytes of machine code started with, say, [B]RANDOMIZE USR 300…
... 's merely the way the counter is wired that counts the ... straight into bit 6, the counter is wired up such that ... previous scanline). The ULA memory counter circuit is not very complex ... -
Unconventional way of diagnosing a faultHi everyone Some time ago I got a 48k Spectrum (issue 3B board) in a pretty bad condition. I believe the power supply transistor TR4 failed, causing…
... 555 timer, and a johnson counter to keep track of where ... -
How do debuggers guess mnemonicsLet's suppose I have the following numbers in Spectrum memory: Address Byte 30000 1 30001 2 30002 3 30003 4 If I execute in assembler j…
... sense.
The program-counter (usually) points to a valid ... -
Game OptimisationBelow is a section of code Im using for movement enermy display and collision detect. What happens is that you move the sight with ,.qa and space do…
...
510 REM z=general counter
[/QUOTE]
Now ... -
Speccy games I bought todayBeen helping out at the Village Day in Ashtead, Surrey today. Was looking around the stalls when I noticed a small box containing 13 Speccy games. So…
... life. You went to the counter with the case of the ... -
Are you addicted to...The Shaky Game?Occasionally I have a look at [URL="http://www.worldofspectrum.org/playstats.html"]this page[/URL] to see who has been playing what in the online emu…
... could either be a duff counter or that people visit this ...
