-
Something a bit like Jetpack Joyride in flavour?Jetpack Joyride is a fairly simple horizontal scrolling game, in which the player has one control. That control applies power to the jetpack as long …
... held. Think of it a bit like Lunar Jetman, but with ... spice the game up a bit.
However, the main ... -
Byte-order backbufferThis is a tool for Z80 coders who wish the Spectrum screen had a serial layout. It runs as an interrupt mode 2 service routine and uses POP and PUSH …
... + 6144 - 16 - (line * 16) - (cell * 32) - (row * 256) - (chunk * 2048)
32) - (chunk * 2048)
ld hl ... endcall
; the next bit is just for demo purposes ... -
The most powerful 8-bit machine, and CPU?Further to the discussion in: [url]http://www.worldofspectrum.org/forums/newreply.php?do=newreply&p=621787[/url] What actually is the best 8-bit ma…
... actually is the best 8-bit machine ever made - discounting software ... what is the best 8-bit CPU, just wondering what advantages ... ? What is the best 8-bit CPU, both in the 80s ... (as I imagine new 8-bit CPUs might have been designed ... -
What's wrong with this code ?OK, working my way through Jonathan Cauldwells 'How To' tome and I can't get the following to run in either spin or basin. ( iused the assembler in b…
... restore accumulator.
rra ; next bit along (value 2) = key 2 ... restore accumulator.
rra ; next bit (value 4) = key 3.< ... screen colours.
ld a,32 ; SPACE character.
rst ... -
Make your own 8-bit computer for under ?20!I just came across this cute little thing called the Fignition. It's a kit computer running Forth that you build yourself. The keyboard consists of 8…
... this were just a little bit more Speccy and less ZX81 ... -
If The Spectrum Never Existed...Out of curiosity... Just say the Spectrum was never made, what computer would you have opted for as an alternative back in the early-mid 80s? BBC M…
... /> Amstrad CPC
Dragon 32/64
Other
bit wars' on Youtube and have ... -
Another deadly accurate best games listSince it's getting on for five minutes now since a "Best ever games" list divided us up, heres [URL="http://www.g4tv.com/top-100/"]G4's Top 100 video…
... /> 33. Final Fantasy VII
32. Mike Tyson's Punch Out ... that it's difficult to compare), and deserves a top ten ... -
BIT b,(ii+n) contentionThe documentation says that BIT b,(ii+n) has this contention pattern: pc+1:4,pc+2:3,pc+3:3,pc+3:1 x 2,ii+n:3,ii+n:1 See [url]http://scratchpad.wiki…
The documentation says that BIT b,(ii+n) has this ... -
40 Column Printing RoutineI've written a 40 column printing routine, which I'd like to share... It's my first piece of 'public' code so go easy on me! I don't think it is a…
... how do I do this bit!!!???!!!?!!!?!!!
push af
...
defb 0,24,32,32,32,32,32,24
defb 0, ... 8,8,16,16,16,32,32
defb 0,56 ... defb 0,56,32,32,32,32,32,56
defb 0,32,32,16,16,16 ... /> defb 0,0,24,32,120,32,32,32
defb 0,0 ... -
Drunk Pt.2Sorry to steal zx81 thread title (as such!) Feel very down, pissed off, got no little family... Yes the time is 2.33am and I'm very pissed off, bee…
... off, been out, got a bit drunk, feeling sorry for myself ... should pull myself together...Im 32 for fuk sake!....
I ... -
The Evolution of 8-Bit Art | Off Book | PBS[URL="http://www.youtube.com/watch?v=xYL1DsY8GMI&list=PLC3D565688483CCB5&index=5&feature=plcp"]http://www.youtube.com/watch?v=xYL1DsY8GMI&list=PLC3D5…
... . Plenty of discussion on 8 bit gaming and music creation. The ... -
WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…
... RGB (technically it's 9-bit RGB, converted to analog by ... output. For ULAPlus compatibility, a bit of more soldering is needed ... [/B].
CPLD: 13.32 EUR (TQ144, bigger than the ... /> [B]CPLD total cost: 15.32 EUR[/B].
So ... -
Has any one tried ZX Spectrum 4.net?In this week's Micromart, the Specccy emulator [I]ZX Spectrum 4.net[/I] is given a rave review, and it does sound really good. Has anyone tried it ye…
... ? If so, how does it compare to ZX Spin/Specemu/SPUD ... TAPE buttons!), which is a bit strange, given that emulator's ... it, and how does it compare to the other emulators? My ... -
Could anyone do a bit of testing for me please?Hi, I'm currently working on a remake of a Sinclair game (more of a conversion, actually), which I'm hoping will raise a little bit of money for a c…
... hoping will raise a little bit of money for a charity ... -
ZX Spectrum Light Gun - PROGRAMMINGAmongst some items I recently acquired was some information on the Spectrum Light Gun. Amongst this is a bit of hand-written paper which gives the i…
... />
Amongst this is a bit of hand-written paper which ...
OUT 49149,63 - CLEAR bit (other bits control sound)
Values:
239 or 255 (bit 4 AND with 16 to ... /> 239 or 207 (bit 5, AND with 32) CLEAR when trigger down ... -
8-bit gaming and geek weekend in Derby (17-18th November).Chris Snowden phoned me last night to speak about organising an 8- and 16-bit gaming event in Derby for the 17th and 18th of November, and well thing…
... organising an 8- and 16-bit gaming event in Derby for ... -
Revisiting Spectrum CPU clock regenerationWarning: This post will be a bit nerdy :-) Some time ago, I experimented with phase locked loop circuits as a possible way to regenerate the Spectru…
... : This post will be a bit nerdy :-)
Some ... this case is 112MHz (32 times the Spectrum's clock ... divider to divide it by 32 and generate a new ... 112MHz is no longer exactly 32 times this clock. So ... state[/B]. Zooming out a bit, we can see within ... -
8-bit art "Video Games vs. Real Life"Stumbled across [URL="http://twistedsifter.com/"]an interesting website[/URL]. Among the different sections I came across these pics, there are [URL…
... game-meets-real-life-8-bit-art-aled-lewis-double- ... game-meets-real-life-8-bit-art-aled-lewis-street- ... game-meets-real-life-8-bit-art-aled-lewis-nintendo- ... game-meets-real-life-8-bit-art-aled-lewis-lemmings. ... game-meets-real-life-8-bit-art-aled-lewis-skifree. ... -
Optimisations in Exomizer Z80 decrunch codeThis is the 163 bytes old code (simple and optimized): [CODE] ld iy, exo_mapbasebits ld a, 128 ld b, 52 push de exo…
... jr nc, exo_getindex
bit 4, c
ret ... :
ld de, 1024+32
jr z, exo_goforit ... jr nc, exo_getindex
bit 4, c
ret ... br /> ld de, 1024+32
jr z, exo_goforit ... -
Classic simple 8-bit interfaceI recently converted one of my +3 Spectrums to a +3e. I?ve seen all the information/diaggrams etc. about suitable interfaces on [URL="http://www.worl…
... have a classic simple 8-bit interface, but (honestly) I?m ... -
How do you restrict this routines actions?I'm trying to plagiarise a piece of code I came across in the 80's, but seem to be banging my head against a brick wall! The routine fades the scree…
... the line near the top (+32) which does the desired effect ... 672 bytes starting from 22528+32 (22560) down to the bottom ... +32
l_b79b: ld a, (hl)
ld b, a
bit ... -
Bit's N Bytes.Hi Gang! My name is Shaun, I'm from Liverpool, I'm 32 and I have 2 spectrums. (Yes, TWO! but one isn't working unfortunately...). I have around …
... 'm from Liverpool, I'm 32 and I have 2 spectrums ... -
Alphacom 32/Timex 2040 PrinterHello again, Having resurrected my ZX Printer, I have now turned to an Alphacom 32 that is not working. However, I am completely in the dark with th…
... now turned to an Alphacom 32 that is not working. However ... -
Residos with Task Manager crashes on NMI button pressI finally installed my DivIDE Plus which I actually bought about one and a half years ago. (I have way too little time for this project :cry: .) Ever…
... 2 GB, in FAT-16, 32 kB cluster size.
-Plugged ... although behaviour did vary a bit from speccy to speccy, this ...
