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My little first set of routines.Hi all, I just coded a little set of routines just to draw a screen on video mem and a fade out. I could have just copied the screen rendering rout…
... /> CCCCC = horizontal char / byte (0-31)
[/code]< ... ex de,hl ;get pointer back to start
byte copy (without the repeat ... LDIR takes 21 per byte copy. If this matters ... -
"Lost" 48K expansionToday I dug up my Speccy after more than 10yrs of inactivity. I bought it as a 16K in 1983, than I had expanded to 48K and never had problem. Until t…
... at address 32768 (the first byte of upper RAM) which indicates ... to a single data line back to the Z80, so that ... to read or write a byte.
Therefore, if you ... -
My little first set of routines.Hi all, I just coded a little set of routines just to draw a screen on video mem and a fade out. I could have just copied the screen rendering rout…
... they have an extra opcode byte which adds that extra 4 ... reach it. I always come back to stuff and wonder why ... -
I'm drinking beer on company time.Paid till 1pm, home today at 10:15. Pubs not open yet, so I'm drinking beer at home and listening to punk music. Beer always tastes better during "…
... over the work tannoy was Simon. ?1 on that.
back, just enjoy a flutter, hope ... -
Du54I've tried using DU54 to write B:game.dsk to A: on +3. But none of the games work, are they all copy protected? On some I got error message "file to…
I concur with Simon. You're better off using ... are you trying to copy back from 3.5" B: to ... -
Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…
... as fast as possible. The back buffer was cleared with the ... fixed point with the low byte holding the fractional part. Trig ... 8 data and 1 attr byte for each used block. Room ... -
Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…
... as fast as possible. The back buffer was cleared with the ... fixed point with the low byte holding the fractional part. Trig ... 8 data and 1 attr byte for each used block. Room ... -
Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…
... as fast as possible. The back buffer was cleared with the ... fixed point with the low byte holding the fractional part. Trig ... 8 data and 1 attr byte for each used block. Room ... -
Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…
... as fast as possible. The back buffer was cleared with the ... fixed point with the low byte holding the fractional part. Trig ... 8 data and 1 attr byte for each used block. Room ... -
No new Doctor Who thread yet?Then allow me to be the first. :) Last night's episode was great. I think Freema Agyeman is going to be a brilliant companion. The Mr. Saxon subplot…
... " has already been done, waaaayyy back in the Colin Baker era ... beyond me - they do comedy. Simon Callow they ain't... Mind ... -
Simon Cowell high-roller, eye-rollerLook's like Simon Cowell has rolled his eyes once too often... [url]http://news.bbc.co.uk/1/hi/entertainment/6570721.stm[/url] :) What a plonker.
... Theroux from a few years back about publicist Max Clifford. One ... episode, was a pre-Idol Simon Cowell.
Here's ... -
Reading the border colorI am building a snap-button to my ZX-PC Interface. Is there a way to read the bordercolor which is set by an OUT-command. (and please don't tell me …
... register and store the whole byte, thus having even a second ... />
You can then read back the colour from the register ... -
TZX 1.20 block 0x18 questionHi All I am in touch with G?nter Woigk the author of Zxsp emulator for mac os X and we both wondering something about block 0x18 (Sorry if that ques…
... bits used in the last Byte"? This will add confusion to ... ) - but was decided against it back then. It will probably encode ... was a number of years back when I tried these...
TZX 1.20 block 0x18 questionHi All I am in touch with G?nter Woigk the author of Zxsp emulator for mac os X and we both wondering something about block 0x18 (Sorry if that ques…
... bits used in the last Byte"? This will add confusion to ... ) - but was decided against it back then.[/QUOTE]
This ...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.…
...
Avalon (Broken case)
Back to Skool
Barbarian (Melbourne ... Dizzy
Manic Miner (Bug Byte) x 2
Marsport
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.…
...
Avalon (Broken case)
Back to Skool
Barbarian (Melbourne ... Dizzy
Manic Miner (Bug Byte) x 2
Marsport
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…
... each time you play them back) is non-binary data - i ... possible but a 1:1 byte representation. Thus the data of ... not required to be stored byte-wise with a 256 symbol ...Sceen$ helpMost people have used screen$ at some time or another and for me what I want to do is use it or something like it as a start screen before the game p…
... - UDGs are stored as one byte per pixel row, rather than ... one byte per pixel, so copying the ... by an offset of one byte would cause things to scroll ... by one byte (POKE 23765,88 to get it back) so the ...Bargain BasementAnyone here actually read the full disclaimer at the beginning of Bargain Basement? It's rather strange... [url]http://www.worldofspectrum.org/infos…
... OF THIS MESSAGE WINDOW ?^^^+ANYWAY BACK TO THE SHOW^^^IF YOU ... don't think so
simon brattel good idea this
Vote for the change of TZX formatThere is an ongoing discussion on the proposal of Patrik Rat to change the current TZX format specification to one that is simpler to implement for e…
... word magic word against 1 byte is not really something better ... bytes and in TZX 1 byte. In the end not much ... you said - people can convert back and forth between them - the ...The I/O interface Simon's selling[url]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=120122353332&fromMakeTrack=true&ssPageName=VIP:watchlink:middle:uk[/url] Is this the kind …
... in case they get one back in return.
Cheers, SimonComments 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…
... loop, first part rotates first byte
ld a,(hl) ... ;load the first screen byte into A
rr ... hl),a ;write earlier rotated byte to screen
inc ... hl ;go to next byte to the right
ld ... br /> dec hl ;move back one character to the left ...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…
... from original 64 byte machine code to 49 byte. Regarding speed it ... br /> inc de ;next graphic byte
djnz loadloop ;decrease ... screen byte to the right
dec hl ;move back one ... times, for all coloums in byte
moveonecharacter
...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…
... from original 64 byte machine code to 49 byte. Regarding speed it ... br /> inc de ;next graphic byte
djnz loadloop ;decrease ... screen byte to the right
dec l ;move back one ... times, for all coloums in byte
moveonecharacter
...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…
... :
If you look back at my original response, there ... every enemy.
Cheers, SimonGame 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…
... the nasties don't shoot back. So what I am going ... :
If you look back at my original response, there ... every enemy.
Cheers, Simon[/QUOTE]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…
... and then copy the results back to the display file. ... Ultimate uses a full screen back buffer in its isometric games ... the back buffer where sprites are moving.
Since the byte ... cells are copied from a "back buffer". However tearing becomes much ...Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…
... as fast as possible. The back buffer was cleared with the ... fixed point with the low byte holding the fractional part. Trig ... 8 data and 1 attr byte for each used block. Room ...eBay Advice?I ordered the special edition of Porcupine Tree's new album from a German eBay shop about two months ago but still haven't received it. I emailed him…
... PayPal to get your money back (not guaranteed).
The ... an outcome.
Cheers, SimonProject: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... value "int_seed" is the two-byte integer stored at address 23672 ... display file stores pixels one byte after the other horizontally on ... of each fatted up UDG byte.
[code]
*(sbuf ... decreased by one to get back to its original display address ...
