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Avalon and DragontorcAlways wandered why these games are so highly rated. I never liked them - never had the time and patience to get involved. This morning I was going t…
... , there's the issue of interrupt retriggering - which means that there ... some instances can be an interrupt generated very shortly after the ... may be related to the interrupt-retriggering.
Unfortunately, for ... -
Avalon and DragontorcAlways wandered why these games are so highly rated. I never liked them - never had the time and patience to get involved. This morning I was going t…
... , there's the issue of interrupt retriggering - which means that there ... some instances can be an interrupt generated very shortly after the ... -
Avalon and DragontorcAlways wandered why these games are so highly rated. I never liked them - never had the time and patience to get involved. This morning I was going t…
... , there's the issue of interrupt retriggering - which means that there ... some instances can be an interrupt generated very shortly after the ... 3 part 6 (which has interrupt retriggering on every frame) to ... -
Will Spectrum run @ 60Hz?Sorry to overlap w/ my other recent post, but want to know, if I grab a Spectrum and use it in America with a voltage converter or a different power …
... as I say above the interrupt signal is not generated internally ... , and have better hardware based interrupt architechture).
[ This Message ... -
Will Spectrum run @ 60Hz?Sorry to overlap w/ my other recent post, but want to know, if I grab a Spectrum and use it in America with a voltage converter or a different power …
... and 50/60Hz vertical blanking interrupt.
The Spectrum's ... -
Games that won't work with the +2a/bIs there a list of all the games that don't work with the +2a/b? Like Fairlight for example. Ta :)
... depends massively on timing and interrupt tricks.
If it ... -
MemoryI am writing a game for the Spectrum and need to store a lot of map data. What is the lowest address I can start to store the data at ?
... - and that goes for the interrupt routine too, so if you ... -
Z80 register decoding document error?Hi, I've been working on a disassembler using the following document written by Cristian Dinu (aka GOC?). [url="http://www.z80.info/decoding.htm…
... out whether to accept an interrupt or not. Therefore it must ... -
ANN: Tipshop updated Monday, 31 January 2005Monday 31 January 2005 A dose of Chickenpox meant I FINALLY had time to put this update online. And very good it is, too.. The update, not the Chicke…
... Hawk ,
Ikari Warriors , Incredible Shrinking Fireman ,
Indiana Jones and ... -
About z88dk and autoexecsThis weekend I was playing a little with z88dk C cross Compiler. Amazing tool! I have three questions: 1- Does anybody know how to change the initia…
... . You may need to adjust interrupt mode and int falgs also ... -
Does ScanLine[0] have a left border?My emulator couldn't handle Cobra or ShortCircuit so I added some rough port FF values. I now want to make it a bit more accurate. The FAQ gives me a…
... be the start of the interrupt just for convenience; there's ... -
InterruptsCan someone help with providing some info or a link about IM 2. I know I need to create a vector table and want to store this as high in memory as po…
... a table of vectors of interrupt routines that service different devices ... the low byte of the interrupt vector is generated as FF ... -
InterruptsCan someone help with providing some info or a link about IM 2. I know I need to create a vector table and want to store this as high in memory as po…
... get the address of the interrupt service routine that is ... 256+1 to store its interrupt service routine address. A ... odd peripheral ids means that interrupt service routine addresses overlap in ... call address $fefe whenever an interrupt occurs in im2.
< ... -
Port 0x7ffd Partial DecodingI'm trying Pitfighter on my emulator and it runs in +2A/+3 mode but crashes in 128k/+2 mode. I traced it down to an OUT instruction which sends 4 to …
... the I register =0x7e in interrupt mode 2. Not a problem ... -
Hypersports problem - freezes before 1st event?I am using Fuse on Mac OSX, have tried a few of the available Hypersports in the archive now, but each one appears fine until I start the first event…
... reveals that the "improved" retriggered interrupt code in 0.7.0 ... -
Hypersports problem - freezes before 1st event?I am using Fuse on Mac OSX, have tried a few of the available Hypersports in the archive now, but each one appears fine until I start the first event…
... reveals that the \"improved\" retriggered interrupt code in 0.7.0 ... -
Interrupt timingsHow long does the ULA hold /INT low for on interrupt on each of the Spectrum models?
... from executing before the next interrupt occurs. I suppose it's ... -
New Compo IdeaI've had this idea and would like to know what do you think about it. I think that most of us here know how to code in BASIC. The problem with Specc…
I'm using the colt... Interrupt-driven sprites and fast math. ... -
New Compo IdeaI've had this idea and would like to know what do you think about it. I think that most of us here know how to code in BASIC. The problem with Specc…
This is what I've compiled so far:
[quote]Resources
=========
* Make all caps
---------------
You can turn CAPS LOCK on or off using a simple poke to 23658:
POKE 23658,8: REM CAPS ON
... -
Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …
Won't PAUSE 1: LET f=PEEK 23672+256*PEEK 23673 do the trick as PAUSE ends just after an interrupt? -
Flicker on my scrolling demo, any ideas?I have created a scrolling demo downloadable from [url="http://www.peargames.co.uk/downloads/scroll.z80"]http://www.peargames.co.uk/downloads/scroll.…
... wait about 14500 T after interrupt and then start scroll routine ... -
Game endings..which are your best / worst ones?I'm not sure how valid this is on a spectrum site considering the memory capacity of the machine,but were there any games out there with any good gam…
... into legend.
The Incredible Shrinking Fireman and Starquake (intentionally) had ... -
The BIGGEST Speccy ebay auction everdon't believe me? go looksy [url="http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=8176797909"]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&i…
... /> Mastertronic - Hundra
Mastertronic - Incredible Shrinking Fireman
Mastertronic - Jason's ... -
The BIGGEST Speccy ebay auction everdon't believe me? go looksy [url="http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=8176797909"]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&i…
... /> Mastertronic - Hundra
Mastertronic - Incredible Shrinking Fireman
Mastertronic - Jason's ... -
Isometric 3D gamesFor today's chore, I'm trying to list all isometric 3d games. [url="http://www.worldofspectrum.org/infoseek.cgi?regexp=^Isometric+3D+Graphics$&phras…
Worst Game Music And SoundWhat do you think was the worst speccy music and sound. My vote is for "Miner Willy" great game but the music at the begining was like nails on a cha…
... effort (48k only) but was interrupt driven (like JSW I imagine ...The legality of emulatorsCan someone please explain to me the legality of selling emulators. I have been told that it is legal to sell an emulator provided no charge is made …
... />
Alan Sugar is no shrinking violet and would have told ...The legality of emulatorsCan someone please explain to me the legality of selling emulators. I have been told that it is legal to sell an emulator provided no charge is made …
> Alan Sugar is no shrinking violet and would have told ...Everyone's a Wally Everyone's a Wally is perhaps my favourite game, but can anyone suggest similar ones by which I mean semi platform games where large charater sprit…
Happiest Days of your Lives
Incredible Shrinking Fireman
Seymour Goes To Hollywood
Wild West Seymour
Slightly Magic