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Finishing my Ragnar game...Hi all, Way back then, in my youth, I worked on a game for the Speccy called "Ragnar", which was a 3d isometric style mcoded game written from scrat…
... to freshen up on my Z80 skills, I think I should ... -
Z80 processor question...Suppose we fill the entire $0000-$ffff memory range with $ed. What will the processor do ? I suppose it will get locked, but will it still respond to…
Suppose we fill the entire $0000-$ffff memory range with $ed. What will the processor do ? I suppose it will get locked, but will it still respond to hardware interrupts ? -
SMAX - My Spectrum Killer App that never quite materialisedThis is basically a copy of my post to CSS, for anyone that doesn't read the group:- One or two of you may, if you have particularly good memories, …
... not exactly the most skilled Z80 programmer the world has ever ... -
Another Z80 processor questionOK, this time this isn't clearly covered in the FAQ, as far as I can see.... Suppose we have the CB instruction "SET b,r" (b=bit, r=register (differ…
OK, this time this isn't clearly covered in the FAQ, as far as I can see....
Suppose we have the CB instruction "SET b,r" (b=bit, r=register (different from (hl)))... If we shift it with FD/DD we will obtain "SET b,(Ix+d)", which, according to ... -
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…
... /> I'll smack up two Z80 files, one with IM2 for ... -
InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…
... /INT pin on the Z80 low. On the 128K ... br />
Internally, the Z80 divides every opcode into M ... every every instruction, the Z80 will sample the /INT ...
In IM 0, the Z80 will read an opcode from ... (NMI)
The Z80 has a second interrupt, the ... -
Survey: buying new games?Hi all, I'm steadily progressing with my Ragnar Revival isometric game for the Spectrum 48k and if I keep working as hard as I do now, it'll probabl…
... , I will offer a z80 sna/z80 file for anyone who buys ... the game (i.e the z80 files) and share... Would it ... -
TommyGun - Utility ... what's going on...For those interested, Tony has been busy lately and unable to put as much time into TG as he'd like. He also has a child on the way soon. He told me…
... and typing the command "C:\Z80.exe mygame.asm". Thats why ... -
How do I fix faulty keys?I have recently bought a 16K Spectrum off e-bay,when I came to test it I found several keys where not working,is there a way to fix this problem by m…
I have recently bought a 16K Spectrum off e-bay,when I came to test it I found several keys where not working,is there a way to fix this problem by maybe cleaning the connections inside the keyboard or do I need a new membrane? any tricks would be ... -
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…
... for now is a measly Z80 snapshot. The conversion looks pretty ... -
Collision DetectionHi everyone, This is my first post on WOS. Like most people here I owned a Spectrum when a teenager. At that time I was quite heavily into programmin…
... started doing a bit of Z80 assembly programming again and am ... -
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…
... for now is a measly Z80 snapshot. The conversion looks pretty ... -
Adventure writing with an emulatorI fancy having a go at writign an adventure using a package like GAC, Quill or PAW, but I don't know how to save my game as a .sna or .z80 or .tap et…
I fancy having a go at writign an adventure using a package like GAC, Quill or PAW, but I don't know how to save my game as a .sna or .z80 or .tap etc. file from within an emulator - can anyone help? -
Spec on phones, plus spec, SAM to phone Do you think it`ll ever be possible to have a phone where you can use a Spectrum AY tune as your Ringone? I couldn`t really give a flying fart for …
... launch said emulator with a z80 or snapshot at the point ... -
???anybody know if speccy cheats / tips / pokes can be used on the same game but on different formats ie c64 / amstrad cpc / msx ???? does anybody on …
anybody know if speccy cheats / tips / pokes can be used on the same game but on different formats ie c64 / amstrad cpc / msx ????
does anybody on here know how to do pokes and programming on Z80???? -
Pixel setting / general speccy codingi just started doing some cross-coding with the [url="http://www.bigfatpanda.fsnet.co.uk/z80.html"]Z80 SNA assembler[/url] and an emulator, and this …
... ://www.bigfatpanda.fsnet.co.uk/z80.html"]Z80 SNA assembler[/url] and ... -
???? 2Anybody here know how to program z80 ???? Anybody here know assembly / machine code ??? Anybody here know how to locate cheats / pokes ???
Anybody here know how to program z80 ????
Anybody here know assembly / machine code ???
Anybody here know how to locate cheats / pokes ??? -
???? 2 Anybody here know how to program z80 ???? Anybody here know assembly / machine code ??? Anybody here know how to locate cheats / pokes ???
Anybody here know how to program z80 ????
Anybody here know assembly / machine code ???
Anybody here know how to locate cheats / pokes ??? -
Highway Encounter and Spin.I downloaded a TZX of Highway Encounter from the TZX vault. When I try and load the game up in Spin (the version with rollback),I get a black screen,…
... resave the game as a Z80 file, Spin will load the ... z80 file fine and the game ... -
Emulator for Sale on eBay ?Hi folks, [url="http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&category=50223&item=8124480344&rd=1"]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem…
... at WoS. Unless it's Z80 Reg, but should have been ... -
About INDUG and Format MagazineI used be to a subscriber of Format Magazine the home of Z80 computer. I do have almost every single issue and I was wondering if anyone has asked th…
... Format Magazine the home of Z80 computer. I do have almost ... -
Machine Code Sprites Example Code Using Char Based SystemBelow is my WIP code to do smooth screen wrapping sprites using char positions and offsets, as opposed to writing direct to a line (0-191) and shifti…
... .peargames.co.uk/downloads/char5.z80"]http://www.peargames.co.uk ... /downloads/char5.z80[/url]
It ... -
Rapscallion -- reloading a game from tape?Although Rapscallion (Albert Ball's second game) isn't very difficult to complete "properly" (in one go ? I don't even use snapshots), so as to get t…
... .? The trouble is that on Z80 (version 4?00), Rapscallion won ... problem might be?? Is it Z80, or what (for instance, would ... -
TAPER again...I'm now using a laptop with Windows 98SE, and TAPER doesn't work with that, which is really disappointing. I think the saying is 2You don't miss your…
... types of files and compressed z80's. The tzx plugin on ... -
How many forum members does it take to change a light bulb?Found this on another forum... 1 to change the light bulb. 1 to post that the light bulb has been changed. 14 to share similar experiences of ch…
... technique and what brands are faulty.
27 to post ... -
BASin problemsDunny, I seem to have some problems with BASin under WindowsXP. BASically (sorry.ahem), if I maximise the screen it crashes giving me an access voila…
... " on main screen) as a .z80 file so that I could ... -
Retro Gamer #7: The MegaTree / Matthew Smith interviewIssue Seven of Retro Gamer magazine has two items of interest to the Manic Miner & Jet Set Willy community: 1. The data from the MegaTree developmen…
... haven't got a good Z80 assembler installed and I don ... -
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 …
... to run.
A Z80 snapshot can be found here ... .peargames.co.uk/downloads/bb2.z80"]http://www.peargames.co.uk ... /downloads/bb2.z80[/url]
Instead of ... -
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 …
... .peargames.co.uk/downloads/bb10.z80"]http://www.peargames.co.uk ... /downloads/bb10.z80[/url]
and the ...
