-
IM 2 interrupts and smooth scrolling - easy peasy!Okay, been fiddling around with IM 2 and have actually mastered (I think) how to use IM 2! Now I run my game Ragnar Revival in IM2 and use HALT to sy…
... my game Ragnar Revival in IM2 and use HALT to sync ... two Z80 files, one with IM2 for synchronizing screen manipulation (a ... ) using HALT, and one without IM2 and HALT.
Here ... -
InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…
... as every 20ms. On the 128K machines, an interrupt is generated ... the Z80 low. On the 128K machines, /INT is held low ... doesn't work on the 128K machines, so it's probably ... -
An unofficial conversion of City ConnectionLurking in the depths of the WoS archive I found what looks like an unofficial conversion of the Jaleco coin-op [I]City Connection[/I]. The authors a…
... there should have been a 128K version as well. Unfortunately all ... -
Game loop design?Having some thoughts on how to design the game loop and could do with some hints and tips from folks who have done it before! It's all about how to …
... rendering.
I got IM2 up and working with a ... loop is synchronized with the IM2 interrupt when the sprite has ... of the sprite at every IM2 interrupt? Perhaps I should only ... -
An unofficial conversion of City Connection (reprise)I hope Martijn and Andrew won't mind if I post this topic once again, but in the STP/MIA section it had no reply so far. I post it here because in th…
... there should have been a 128K version as well. Unfortunately all ... -
lots of speccy hardware software on offerHave the following available from "breakup" of my speccy system and peripherals Microdive with cable, numerous microdrive catridges plus manual Int…
... : Omnicalc 2 spredsheet for 48/128k machines.microdrive compatible, also with ... -
Dave Perry InterviewI conducted this interview with Dave Perry, famous for games like Turtles, Trantor, Extreme and Dan Dare 3 to name but a few... Enjoy! Dave Perry wa…
... result. I actually made a 128K version of the game also ... with extra code. Luckily the 128K Speccy came out, so we ... -
What hardware Sinclair and not related has everybody got?Just had to try to list all my clutter in the attic and my dads garage (this has got a bit out of hand), anybody else got as much Retro as this (boug…
The Pawn and Spin 5.04 - weird behaviourTwo TZX files from the TZX vault: The Pawn.tzx The Pawn v2.3.tzx (both are v 2.3 from the start text, but the first shows the title screen when lo…
... />
No matter what spectrum 128k model I select to be ... too big, 20:6 for 128K Spectrum)Clone Project feedbackFinally i now have some time to start again with my clone project. I have decided to drop the 48k project and go directly on a 128k clone. This migh…
... and go directly on a 128k clone. This might sound a ... i think now that the 128k model is much more interesting ... clones, it will be a 128k clone with some new and ... : 256k (512k)
- ROM: 64k (128k)
- Video: Standard VGA output ...ANN: Tipshop updated Monday, 30 August 2004Monday 30 August 2004 Finally got caught up on Tipshop updates - lots of good stuff The Italian Project, and assorted Real Life things have meant I…
... in some POKEs for the 128K version of Game Over 1 ...what extra port for extra memory ? (256K, 512K, 1024K, etc.)I know that Pentagon uses some extra bits from port 7FFD for extra memory pging: - for 512K model, bit 6 & 7 of port 7FFD - for 1024K model, bit 5, 6…
... lock the port 7FFD (on +128K/+2) and 7FFD & 1FFD ...Looking for an old, but GREAT gameHi All, Wondered if anybody can help me. I had a 128k back in the day, and I have fond memories of a game which I simply can't remember the name of …
... help me. I had a 128k back in the day, and ...Power Pack for +2 - help!I recently bought a 128K +2 Speccy on Ebay for ?4 (bargain!). It all looks sound enough and in very good condition EXCEPT for the power pack which …
I recently bought a 128K +2 Speccy on Ebay for ? ...Smooth Color Masked Sprites using fast page flip on 48kHere is a quick demo of using char based sprites using the Page flip method: a) Background is copied to buffer b) Sprites drawn on buffer c) Buffer …
... the previous thread to use IM2 interrupts to do the moving ... =FE
IM 2 ; SELECT IM2
EI
RET ... />
; 0FD00 - 0FDFCH RESERVERD FOR IM2 INTERRUPTS
ORG 0FDFDH ...Smooth Masked Sprites using fast page flip on 48k Part 2Ok, After all the suggestions in Part 1, which were all excellent (Thankyou), I opted on the following: I have 2 x 6k Offscreen areas (Yes, that's …
... =FE
IM 2 ; SELECT IM2
EI
RET ... />
; 0FD00 - 0FDFCH RESERVERD FOR IM2 INTERRUPTS
ORG 0FDFDH ...Adding chips to a 128k SpeccyI thought I rememberd reading somewhere once that you can add a second AY sound chip to a speccy. Is this true? And if so, why?
I thought I rememberd reading somewhere once that you can add a second AY sound chip to a speccy.
Is this true? And if so, why?Recommend a monitorCan anyone recommend a color monitor with a composite and/or RGB input that works with a heatsink-type 128K machine? Old stuff preferred. The smaller…
... works with a heatsink-type 128K machine? Old stuff preferred. The ...Microdrive repair and D80 snapshottingFirst off - Hi. :) I should really have registered on here aeons ago. Second - I have on one of my old microdrives my only original copy of the Chao…
... how to use it in 128K mode though?). I want to ...Wanted: Code to wait until Border has been drawnWhen my IM2 interrupt fires, I want to wait until the ULA is past the first line of display before drawing. I know I need to wait about 14300T after…
When my IM2 interrupt fires, I want to wait until the ULA is past the first line of display before drawing.
I know I need to wait about 14300T after interrupt but how can I tell if the ULA is now past the border and onto the screen?TZX and the ZX81Evenin All. EightyOne is now is a state where I can support a more descriptive tape format. I know how some people have been calling for tzx suppor…
Looking for black metal/plastic joystick socketI am planning to integrate a Kempston joystick interface into a 128K Spectrum (that has a slightly damaged casing which could be hidden nicely by the…
... Kempston joystick interface into a 128K Spectrum (that has a slightly ...Fire 'n iceI'm running RealSpectrum 0.97.23 on my work PC, which is a 1GHz Pentium III. I've downloaded Fire 'n Ice, which is a TR-DOS game, and what I've seen …
... I emulate using the Pentagon 128K setting.
Has anyone ...New Turbo-Load version of Tales From A Parallel UniverseNot very interesting to most, but I know some of you still use 'real' Spectrums. While fiddling around with a program I created ages ago to build c…
... added bonus of working from 128k mode (the previous TAP file ...New Spectrum, new Spectrum... what about the old one?Suppose Amstrad were to release not a new spectrum but the old one, plain and simple. Well, "rapackaged", say the 128k with a proper keyboard, or wha…
... simple. Well, "rapackaged", say the 128k with a proper keyboard, or ...128 or 48?Well? Which do you prefer? I'm talking about using a real Spectrum. Do you prefer the 48k or 128k?
Well? Which do you prefer?
I'm talking about using a real Spectrum. Do you prefer the 48k or 128k?3 Speccy games on EbayLittle Computer People (128k only): [url="http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&rd=1&item=8144859412&ssPageName=STRK:MESE:IT"]http://cgi.eb…
Little Computer People (128k only):
[url="http://cgi. ... />
Where Time Stood Still (128k only):
[url="http://cgi ...
