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Is spectaculator emulating the +2 correctly?i remembera few games that would crash when running in 128K mode, due to a bug in the hardware of the grey +2, hence it being replaced with the +2a. …
... are taken with the I register in the correct range.< ... Dizzy amazingly uses the I register in it's music ... ints disabled).
I'll try those tzx images ... br /> The only other thing I can think of is that ... if you point the I register to a contended page ... -
Is spectaculator emulating the +2 correctly?i remembera few games that would crash when running in 128K mode, due to a bug in the hardware of the grey +2, hence it being replaced with the +2a. …
... ]
The only other thing I can think of is that ... problem if you point the I register to a contended page at ... ]
You are correct. I only needs to point to ... -
Best scrolling shooters on speccy?I think one of most popular genres, besides mazes, was scrolling shooter. Can you remember any favorites to recommend, besides r-type
aaahh.. scrolling shoters.. I love them!
you ... speccy (Specially FlyingShark)
I also liked, altough they are ... -
Best scrolling shooters on speccy?I think one of most popular genres, besides mazes, was scrolling shooter. Can you remember any favorites to recommend, besides r-type
Penetrator was probably the first scrolling shooter I ever played on the Speccy and I still love it. Other goodies (which have all been mentioned) include Bedlam, R-Type and Commando. I also liked Typhoon and Guerilla War. -
Sync-buzzer, interrupts and general confusionBeen wittering on about this in the Misc group, but thought it was best discussed here. Basically been trying to recreate the Sid-Sound effect from A…
... identifier is concatenated with the 'I' register to form a 16-bit ... address (the 'I' register is the topmost 8-bits ... ID 0 uses addresses I*256+0,I*256+1 to ... ID 2 uses addresses I*256+2,I*256+3 to ... interrupt service routine at I*256+255,I*256+256. So the ... -
whats your second favourite retro computerOk i'm going to assume that for most of us here the speccy is our favourite number 1 retro computer,its the best home computer in the world etc etc :…
... with all this, I suppose I better clarify a few ... the games I said had superb scrolling and I asked anyone ... c64 scrollies". The point I was simply making (and ... no hardware support for scrolling - two points c64 ... machine code. period. I should know because that' ... -
Any Errors?Any errors you feel Sinclair Research or even Amstrad made with the speccy??
... many missed opportunities. (I know I've mentioned some of ... hardware - they already existed) - i.e the 8x1 (instead of ... for hardware sprites or scrolling? No, I don't think they ... made.
I would love to see a ... be nice as well. I'd love to see some ... -
Getting a DISCiPLE/+D to work on a +2A/+3?Does anyone know how compatible the two interfaces could be made with the +2A/+3? I remember that there were a couple of POKEs that could get a +D t…
... /> Thanks for the replies, but I already have a FixIt for ... an emulator anyway. ;)
I definitely remember that some pokes ... properly.
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I didn't think the snapshot ... careful where it points the I register when it's looking at ... -
good but not so known shooterscan anybody recommend a good horizontal scrolling shooter which is not so known ?
... , biotoxin wrote:
S.D.I.,ZYNAPS (Dominic Robinson games is ... Italian? Are you sure? [I]Meganova[/I] is by Dinamic (and BTW ... I already mentioned it in my ... [I]Phantis[/I] which is however not an horizontal scrolling shooter [I]per se[/I ... -
Best scrolling everHi All - I've been lurking here for a while enjoying reminiscing about my magical 10 years of rubber-keyed fun back in my youth! What game featured …
... Highway Encounter have scrolling?
[/quote]
I'd have said ... .E. is deemed to have scrolling, then surely Highway Encounter must ... -
EmuZWin 2.5.0.1Version 2.5 Release 1.0 (10-Jun-2004): a lot of changes and fixes in ??? Map Builder ??? GFX Editor ??? Loading & Saving ??? Sound & Video ?? Speed…
... small bug produced some ULA snow (I can't believe you didn ... was not at fault there, I can assure you.
I would like to point out ... -
Interrupts details questionSuppose I am writing a game and I want to use interrupts to measure time, draw the screen without flicker, maybe to poll keyboard etc. What kinds of …
... ;***************************************************************************
.org 0
.byte ;I register, points to rom spare locations ... /> ; contained different values here. I was off by a byte ... receives in the hl register the offset from the ... -
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…
... mode the value in the I register is used, along with a ... , to form an address, with I being the high byte of ... memory locations. For example if I is A0, and the low ... -
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…
... that is combined with the I register (I in top 8 bits, identifier ... table will occupy addresses I*256 through I*256+255 inclusive (256 ... entire table. Eg: from i*256 through i*256+256 inclusive, you ... br />
[quote]
I know I need to create a vector ... -
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 …
I think you've discovered another ... another such game where the I register =0x7e in interrupt mode 2 ... -
First game with scrollingMany games are just a bunch of static screens - you have to exit one screen to see another (for example Manic Miner, Saboteur, Bruce Lee). But there …
... /> I read somewhere that 'Xevious'(arcade version) was the first ever scrolling ... shooter (or just scrolling game - I can't remember ... -
First game with scrollingMany games are just a bunch of static screens - you have to exit one screen to see another (for example Manic Miner, Saboteur, Bruce Lee). But there …
... /> I read somewhere that 'Xevious'(arcade version) was the first ever scrolling ... shooter (or just scrolling game - I can't remember ... , and I think that could be described as a scrolling game. Could ... -
First game with scrollingMany games are just a bunch of static screens - you have to exit one screen to see another (for example Manic Miner, Saboteur, Bruce Lee). But there …
... /> I read somewhere that 'Xevious'(arcade version) was the first ever scrolling ... shooter (or just scrolling game - I can't remember ... -
Is Zynaps the best side scrolling SEU ever released for the Spectrum?In my opinion it is. What do others think? Was there anything that was better? Derek
While we are comparing horizontal scrolling shooters, I'd like to give a call for Saint Dragon. I think this game is really awesome. I used to play it for hours.
Storm - the Sales Curve used to create nice arcades. -
Is Zynaps the best side scrolling SEU ever released for the Spectrum?In my opinion it is. What do others think? Was there anything that was better? Derek
... we are comparing horizontal scrolling shooters, I'd like to give a ... call for Saint Dragon. I think this game is really ... awesome. I used to play it for ... is really nice.
also I likes a lot Silkworm, another ... -
Parallax scrollingIt's about time to start new "games with" topic! So, let's make a list of Spectrum games with parallax scrolling. 3 titles to begin: Cobra Hysteria S…
NARC has some pretty fast parallax scrolling.
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I ain't from round here...
[ This Message was edited by: Bermondsey Bob on 2005-10-28 19:48 ] -
The Host with the MOST!HIYA ALL Right. I'm getting ready to launch my super dooper wonderfull funky speccys site. So - NOW I need, Domain Name, host, OOOODLES of space (…
... .com[/url]) running.
I've got broadband so that ... as necessary. Thje domain name i chose is always pointed to ... IP address. When registering DynDNS I picked a domain name (from ... restrict the domains you use. I register my domains at ukreg.com ... -
WarningWarning Some games such as "Cyclone" WILL NOT run on a +2A. I have tried numerous times, and every time the load fucks up resulting in a 48K BASIC …
... IM2 is shown and the I register is $3A.
The address ... -
Fucking cold this morning or what???!!!I'm wearing two jumpers, for Christ's sake! And I can STILL feel the cold!!! :/
... be careful but i know what you mean, i remember last year ... when we had a ton of snow, some ... is dangerous.
The snow i love, its when all that ... -
Development SurveyI was just wondering how many people are actually developing games or programs for the Speccy. I'm not talking about people who "plan" to write somet…
... again (e.g sprites, scrolling etc). I think i am there now with ... how I will do the sprites etc[/ ... -
Beginner InfoI have trying to find some hardware information for use with assembly coding but havn't had much luck. For instance. How do I redirect the vertical …
... bit address by using the I register in the top 8 bits ... causes the word at address (I+255),(I+256) to be read ... routine that is able to register any number of ordered hooks ... -
ZX80 software wanted for a ZX80 siteHi everyone - I'm putting together a site about the ZX80 - I've noticed there's virtually no software available for it on the net so that's the part …
... is check the IX and I register. Normally, IX points to the ... displays the picture and the I register points to the character set ... memory.
If the register changes, they scan memory for ... you are refering to, I beleive is the difference between ... -
4-pixel scrollingDo you think is 4-pixel scrolling accetable for horizontal shooter ? (aka do u like Chronos ? :)
This is a scrolling demo I wrote last year based on ... in COBRA by Jonathan Smith. I was experimenting at the time ... />
I adapted the routine so that vertical and horizontal scrolling are ... -
Games that crash because of contended memory.I find these are really annoying. You load up a game like Astro Marine Corps, Fantasy World Dizzy, Dizzy: Prince Of The Yolkfolk and so on (the init…
... />
Cisco Heat (Move I table):
POKE 31502,135 ... , but those who know what I mean will understand...
< ... /> This game always has the I register pointing at 0x77 (119), so ... a jump command, change the I register and voila - Robocop 3 running ... -
Codies help? Werewolves of LondonHi All, never one for shying away from the deep end, having only just dipped my toe in to the world of machine code I find myself trying to find out …
... area?
[/quote]
I agree with Dunny, sort of ... for a videogame.
I think the vast majority of ... /c programmers.
If I were to design any multitasking ... compare the contents of the I register and state of interrupts (which ...
