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Rom questionHi Can .rom files be viewed? I am curious to what the .rom file looks like. I saw some versions that have been modified and have source code to vie…
The ROM is just a z80 machine ... contents of memory (including the ROM) to assembler mnemonics and lets ... should look for a commented disassembly. For example the Complete ZX ROM Disassembly -
The 20th comp.sys.sinclair Crap Games Competition thread!Hi all, [SIZE="7"][B][CENTER]ANNOUNCEMENT![/CENTER][/B][/SIZE] The comp.sys.sinclair Crap Games Competition 2015 is now well and truly OPEN! [url]…
... I'll read the whole ROM disassembly and find out exactly what ... -
2015 Games ListHi, this is the thread I use for the 2015 Games List. Note: Due to forum update policies, the latest version of the list will always be found somewh…
... ) [Link]
* ZX81 SP ROM Disassembly [Link]
* Video on ... -
2015 Games ListHi, this is the thread I use for the 2015 Games List. Note: Due to forum update policies, the latest version of the list will always be found somewh…
... ) [Link]
* ZX81 SP ROM Disassembly [Link]
* Video on ... -
Good first books to read?Hi all, I've never posted here, but have tried to search for an answer to the following question. What are a few good starter/beginner assembly…
... /CompleteSpectrumROMDisassemblyThe.pdf"]The Complete Spectrum ROM Disassembly[/url] -
Good first books to read?Hi all, I've never posted here, but have tried to search for an answer to the following question. What are a few good starter/beginner assembly…
... /CompleteSpectrumROMDisassemblyThe.pdf"]The Complete Spectrum ROM Disassembly[/url][/quote]
I ... differ. Trying to understand the ROM is a terrible way to ... -
2015 Games ListHi, this is the thread I use for the 2015 Games List. Note: Due to forum update policies, the latest version of the list will always be found somewh…
... ]]
* [b]ZX81 SP ROM Disassembly[/b]
[[url="http://www ... /forums/discussion/50612/zx81-sp-rom-disassembly"]Link[/url]]
*[b ... -
Peeking the contents on screen? How?You will have to forgive me for growing up on the C64, but I know I can peek the location of a character (1024 is top left from memory) and the peek …
... .
The Complete Spectrum ROM Disassembly mentions this on p128: "Note ... -
z80 assembly helpEver since I was a child I wanted to program my zx81 then my zx spectrum + 2. However, it was such a mystical beast and I only ever used BASIC not kn…
...
zx specrum rom subroutine, refer to ROM disassembly
THE 'PRINT A ... -
Rom routine for pixel addressDear all, Having my bi-annual 'lets try machine code' project again and have come up with a problem with the pixel address rom routine at 8874. …
... p116 of The Complete Spectrum ROM Disassembly for more info.
Also ... -
2015 Games ListHi, this is the thread I use for the 2015 Games List. Note: Due to forum update policies, the latest version of the list will always be found somewh…
... ]
* [b]ZX81 SP ROM Disassembly[/b]
[[url="http://www ... /forums/discussion/50612/zx81-sp-rom-disassembly"]Link[/url]]
* [b ... -
2015 Games ListHi, this is the thread I use for the 2015 Games List. Note: Due to forum update policies, the latest version of the list will always be found somewh…
...
* [b]ZX81 SP ROM Disassembly[/b]
[[url="http://www ... /forums/discussion/50612/zx81-sp-rom-disassembly"]Link[/url]]
* [b ... -
2015 Games ListHi, this is the thread I use for the 2015 Games List. Note: Due to forum update policies, the latest version of the list will always be found somewh…
...
* [b]ZX81 SP ROM Disassembly[/b]
[[url="http://www ... /forums/discussion/50612/zx81-sp-rom-disassembly"]Link[/url]]
* [b ... -
ZX81 Character SetHello, hope I don't offend anyone with my request. I've put together a program on my Amstrad that redefines a condensed text and displays it appropri…
... is hard-coded in the ROM starting at $1E00
See ZX81 ROM disassembly listing at [url="http://www ... -
Spectrum Screen RAM layoutHi there The spectrum screen layout is rather odd. It seems to be arranged into 3 256 byte groups. If I have an x (horizontal) coordinate (from…
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Also there is the ROM routine PIXADD at $22AA
ROM Disassembly[/url]
by Dr Ian ... -
2015 Games ListHi, this is the thread I use for the 2015 Games List. Note: Due to forum update policies, the latest version of the list will always be found somewh…
...
* [b]ZX81 SP ROM Disassembly[/b]
[[url="http://www ... /forums/discussion/50612/zx81-sp-rom-disassembly"]Link[/url]]
* [b ... -
Hacker needed (Opus Discovery)Hello, I once was in contact with a guy who converted some games to Opus format. The contact was via the PM function here on WOS, but after the WOS-u…
... /OpusDiscovery_ShadowROMv2.2Disassembly.html"]Opus Discovery ROM Disassembly 2.2[/url] with little ... parameter table documentation in the disassembly.
I notice that ... -
Opus DiscoveryWould anyone have any materials about programming the Opus Discovery disk? I know it overrides ROM and uses microdrive commands, but I am more into b…
... site there are manuals and ROM Disassembly [url="http://www.worldofspectrum.org ... -
Simple bit of machine code not working [SOLVED]ishHi all. It's late and I'm tired and I have no idea why the following piece of code wont display a little smiley face [code]ld hl,udg ld (236…
... Book), and "The Complete Spectrum ROM Disassembly" (book or PDF) for more ... -
Any noob friendly speccy dev tutorials?I mean, for a person who never used ANY kind of assembly, let alone Z80 one. Would be good if focused on making a game. Additionally, I want your …
...
The Complete Spectrum ROM Disassembly by Dr. Ian Logan and ... -
Any noob friendly speccy dev tutorials?I mean, for a person who never used ANY kind of assembly, let alone Z80 one. Would be good if focused on making a game. Additionally, I want your …
... reading the The Complete Spectrum ROM Disassembly book. Although the book itself ... is excellent, studying the ROM is a terrible way to ... -
Complete Spectrum ROM Disassembly copyrightApologies if the answer to this question lies somewhere in the bowels of this forum, but I couldn't find any information on it. It's impossible to…
Ah, OK. Thanks for the info. I think I'll proceed with the ROM disassembly under the same assumptions. -
An odd floating point error. Avoid!While working on the revival of my old game ([url="http://www.worldofspectrum.org/forums/discussion/53207/new-game-2016-revival-a-yankee-in-iraq-1992…
Much appreciated! The Gosh Wonderful ROM [i]does[/i] indeed provide a fix the above bug, and a bunch of other things. Just tested it. (My bedtime read for the past week has been [i]The Complete Spectrum ROM Disassembly[/i].) -
Screen address of PRINT position...Hi Folks, The following code uses DF CC system variable to extrac the screen address for a PRINT position. [code]100 CLS 110 PRINT AT 10,16;…
... go. BTW, looked through the ROM disassembly as I thought there might ... -
Startup colours of the Spectrum ROMHi Folks, Thought I would have a go at changing the startup colours of the Spectrum ROMs used within BasinC which ships with 48.rom (16384 bytes) …
I think you are right Spider as it seems to be related to loading programs in to Basin. I will have a look in the ROM disassembly again.
Paddy
