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Various software & hardware for sale.After having a sort out in the loft I've discovered a few things to get rid of: [SIZE="1"]SINGLE CASSETTE SIZE CASES. (all with inlays and instructi…
... /> hacker - activision
chase h.q. - the hit squad
whodunnit ... inlay)
micro games book (patrick bossert & philippa dickinson)
Canny use of the 'r' register?Seeing Sokurah's code in the [URL="http://www.worldofspectrum.org/forums/showthread.php?p=583188#post583188"]crunch sound thread[/URL] has made me th…
... me think about the r register.
I've used ... crafty uses for the r register?Simple AY library in z88dk/CI was interested to see if I could make the 128k AY chip work, and as there wasn't any library on it, I just made one for fun. It's certainly not th…
... *p)
{
// IN: h=register, l=value
// OUT: out ... ()
{
uint i,j,q;
ay_volume1(15);
SpecBAS article in The Register todayDunny's SpecBAS (for the Raspberry Pi) got a write-up in The Register today: [url]http://www.theregister.co.uk/2012/11/13/sinclair_basic_for_raspber…
Dunny's SpecBAS (for the Raspberry Pi) got a write-up in The Register today:
[url]http://www.theregister.co.uk/2012/11/13/sinclair_basic_for_raspberry_pi/[/url]Author of The Hobbit featured on The RegisterSpotted another ZX Spectrum-related on The Register today: an article featuring the personal history of Veronika Megler (yes, a woman), one of the pr…
... ZX Spectrum-related on The Register today: an article featuring the ...The unreleased Saboteur 3: Q&A with Mike RichardsonI notice that the [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0026530"]Saboteur 3[/URL] page has been updated with an archive of graphics …
... interested, he's a quick Q&A with Mike about ..."The Register" logo.What do those walking legs in the "The Register" logo represent? Is there a story behind them and why is it missing the rest of the body? Where is …
What do those walking legs in the "The Register" logo represent? Is there a story behind them and why is it missing the rest of the body? Where is it walking to?
[img]http://www.theregister.co.uk/Design/graphics/std/logo_414_80.png[/img]MOVE_M Object Movement Manager for BASICAs moving things around on the screen is usually the slowest part of a game written in BASIC, I've been pottering around with this routine to handle …
... values):
KEYU: defb $25 ;Q up
KEYD: defb $26 ... from $028e KEY_SCAN the DE register and the Zero flag
IX register - using/problemsAre there any rules on using the IX register? Are there any restrictions on the memory locations that it can access? Yes, I know it's slower than us…
... rules on using the IX register? Are there any restrictions on ...JSpeccy 0.93A new JSpeccy version has been released. Summary of changes, - Drag & Drop support forTAP/TZX/CSW/SNA/SP/Z80/SZX/ROM files. - Command line options …
... instructions SCF/CCF (thanks to Patrick Rak by his investigations and ... /> - Full emulation of MEMPTR hidden register.
- Confirmation dialogs can ...Ocean Q&A video - Revival 2014For those who were unable to attend this year, here is the Ocean Q&A: [url]http://youtu.be/pBMSnkqsV_0[/url]
For those who were unable to attend this year, here is the Ocean Q&A:
[url]http://youtu.be/pBMSnkqsV_0[/url]Announcement: Q&A session 17 NovemberPlease join us in a Q&A [url=http://www.worldofspectrum.org/chat]on-line chat[/url] session on Monday 17 November, starting around 19:00 CET (GMT+1) …
Please join us in a Q&A [url=http://www.worldofspectrum.org/chat]on-line chat[/url] session on Monday 17 November, starting around 19:00 CET (GMT+1) Apart from my farewell, we'll try to fill you in on the next steps towards the new WoS!Announcement: Q&A session 17 NovemberPlease join us in a Q&A [url=http://www.worldofspectrum.org/chat]on-line chat[/url] session on Monday 17 November, starting around 19:00 CET (GMT+1) …
Please join us in a Q&A [url=http://www.worldofspectrum.org/chat]on-line chat[/url] session on Monday 17 November, starting around 19:00 CET (GMT+1) Apart from my farewell, we'll try to fill you in on the next steps towards the new WoS!ANN: Tipshop updated Saturday, 06 June 2015Saturday 06 June 2015<br>Welcome to the May update (eh? Ed).. Shh! Archie Robins appears to have decided sleep is something that happens to other peo…
... Chocolate Factory,
Chase H.Q. II: Special Criminal Investigation, Chase ... H.Q., Chefs Mate II, Chefs Mate ... Mare and Retroinvaders.
* Patrick Furlong sent in a cheat ...R.I.P. Patrick MacneeAvengers star Patrick Macnee dies http://www.bbc.co.uk/news/uk-33279566 Rip
Avengers star Patrick Macnee dies
http://www.bbc.co.uk/news/uk-33279566
Rip[NEW] Retro Virtual Machine v1.0.0 for OSX released!!!!Here it is! Retro Virtual Machine v1.0.0 RELEASED!!!! Many thanks first to Patrik Rak for the PZX format and for their Z80 tests without which RVM…
... , including the ‘memptr’ register and the hidden flag ‘q’. The emulator pass ...Awful Q.I. newsTerrible news for fans of the TV programme Q.I., it's going to be hosted in future by Sandi Toksvig. Stephen Fry is leaving after thirteen years, and…
... fans of the TV programme Q.I., it's going to ... make a pun on the Q.I. title for this, the ...The I register and IM 1Hi al! I've been doing some coding, replacing the BASIC ROM with my own code and upon examination of a few 16Kb cartridges, all the ones I've look…
... to say about the I register, apart from its use in ...R registerI'm cross-posting this as a spin-off of a [url="http://www.worldofspectrum.org/forums/discussion/52748/zx-spectrum-cartridges/p2"]thread in "Hardware…
... & correctness of the R register behaviour.
From ... br /> [quote]Memory Refresh (R) Register.
The Z80 ... of this 8-bit register are automatically incremented after ... instruction fetch. Hence R register can be considered a simple ...Print (to screen) avalue held in a register pairHi guys, looking for a routine that will print any value from 0 to 65535 to the current position on the screen. I once heard that there was a PRIN…
... a value held in theBC register pair, to the current screen ...Q*BERT - PS1 LONGPLAY AT LAST!Been requested of me for a while and now I've finally recorded the full game "Adventure Mode" of Q*Bert on the Playstation, it is also the first long…
... full game "Adventure Mode" of Q*Bert on the Playstation, it ... hardware there lads!).
Q*Bert PS1 Longplay, enjoy:
The HL Register Pair Naming. An Observation.This isn’t really a question or a tip. Just an observation about the naming convention of the registers in the Z80 CPU. It seems that every register …
... CPU. It seems that every register other than the HL pair ... [/b]—[b]F[/b]lag register
[b]I[/b]—[b ... ]Y—[b]I[/b]ndex register [b]X[/b]/[b]Y ... /> Then come the good-old register pairs:
[b]SP ...Chase H.Q 1Million Point BonusHi, does anyone have the correct reason why sometimes after completing a level on Chase H.Q it gives you a huge 1Million bonus in points?! I am at t…
... a level on Chase H.Q it gives you a huge ...PCML Q+ DISK INTERFACE FOR THE SINCLAIR QL - 1985 - TESTED - EX COND' - 256Khttp://www.ebay.co.uk/itm/PCML-Q-DISK-INTERFACE-FOR-THE-SINCLAIR-QL-1985-TESTED-EX-COND-256K-/172669931847 Have a nice bid ;)
http://www.ebay.co.uk/itm/PCML-Q-DISK-INTERFACE-FOR-THE-SINCLAIR-QL-1985-TESTED-EX-COND-256K-/172669931847
Have a nice bid ;)The I register pointing to $40–$7f causes ULA snow and a crash. Or does it?I have heard it from numerous sources, including a few members of this forum, that 128K/+2 machines crash if the I register points to a range of $40–…
... machines crash if the I register points to a range of ...Patrick PaddleHere is my entry for the [url=https://itch.io/jam/cassete-16-summer-]Cassette 16[/url] competition, [b]Patrick Paddle[/b]. It's an action game with t…
... -]Cassette 16[/url] competition, [b]Patrick Paddle[/b]. It's an ... ]https://prosm-software.itch.io/patrick-paddle[/url]
[url ...ANN: Tipshop updated Saturday, 02 January 2021Saturday 02 January 2021 Happy New Year, Spec Chums! I was hoping to do this update for Xmas - but difficulties involving fermented apples got in th…
... , The, Motorcycle Crazy,
Mr Patrick Tovey's World of Squares ... Coris, The,
Sphere of Q'li, Spore, The, Springbot - Mars ...Remainder (Mod) calculationsI've been figuring out how to calculate remainders after integer division by a constant divisor k (A mod k = A % k). I found that for most small di…
... have the integer division result (q = n // k), the ... number (n % k = n - q * k).
([i]There is ... /> The unsigned integer in register A is copied to C ... C or using one extra register.
[b] ... bytes, 89cc[/b]
Register B = (A//9)*4
PAW questionThis may not be the right place but anyways there it goes: I've been trying to figure out how to import graphic files in .SCR format in the PAW parse…
... the address is p*256+q. pq will need to be ... to take the value of register A, which contains the value ...
