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ROM Calculator TrigHello, These Christmas holidays I finally have time to devote myself a little to the speccy . I have a question about how the ROM calculator implem…
... a question about how the ROM calculator implements cosine.
ROM just a simpler procedure.
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…
Hi
Can .rom files be viewed? I am ... curious to what the .rom file looks like.
So is a rom file just compiled assembly code ...AGD loader helpHi guys, Ive been making a little game in AGD and I'm really stuggling to get a basic loader to load the game. AGD creates a loader for you, which …
... /> 10 clear . : load ""code: randomize usr .
[/code]
< ... can anyone explaine? I using BASin as a tape browser and ... clear 32000 : load ""code: randomize usr 32001
[/code]< ... 31231: LOAD ""CODE : RANDOMIZE USR 32000
[/code]ZX81 SP ROM Disassembly<div>Hi All,</div><div><br></div><div>For anyone who is interested in ZX81 Assembler and ASZMIC ROM...</div><div><br></div><div>I have created a disa…
... in ZX81 Assembler and ASZMIC ROM...
I have created ... disassembly of the Comprocsys SP ROM for ZX 81 froman ... conjunction with the Comprocsys ASZMIC ROM or without (via ZX81 BASIC ... commands).
SP ROM Disassembly Xcode project is available ...Destroyed my ROM. Need a new one...I was messing around with my 48K rubberkey's ROM trying to read its contents with the programmer we have at work but in my haste and excitement I mad…
... with my 48K rubberkey's ROM trying to read its contents ... have ended up blowing the ROM up *[i]hangs head in ...Interface 1 Rom UpdateHi, I have an Interface 1 with a version 1 Shadow Rom, I would like to update it to Version 2. I think IF1 Rom v2 code could be burned into a T…
... with a version 1 Shadow Rom, I would like to update ... .
I think IF1 Rom v2 code could be burned ... there maybe a version 3 rom, was that ever released.Searching for correct Betadisk 48k TR-DOS v4.12 ROM (Save ROM via TRDOS-Prompt to Disk)Hi, I have two ROM-Files which should be read out from an original Betadisk 48 Interface TRDOS v4.12 (ROM-Size 8k). But when I compare them, they…
... br />
First ROM has Checksum: SHA-1: C8BAAEF66AB7FBF457BA76B783C02434CC5E2130 ...
Second ROM has Checksum: SHA-1: ... to
Vision GUI with ROM-size 16k.
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. …
... problem with the pixel address rom routine at 8874.
Going by the ZXSpectrum Rom Dissassembly book, I'm trying ...The history of ESXDOS, the DivMMC and the DivMMC EnJOY![img]http://benophetinternet.nl/hobby/divmmc_history/1%20esxdos.jpg[/img] These are the stories behind esxDOS, the most popular operating system e…
... Custom ROM in ROM-A
DRAM in ROM-B ...
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USR 0 mode from boot
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ROM and RAM in More Detail ...
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ROM:
ROM0 ...128K Toast Rack / +2 Grey Bug Fixed english ROM ?Just spotted this on ebay before ending: http://www.ebay.com/itm/1x-Sinclair-ZX-Spectrum-128K-Toast-Rack-2-Grey-Bug-Fixed-english-ROM-/26206065205…
... -2-Grey-Bug-Fixed-english-ROM-/262060652057?hash=item3d04083619:g:i ... to place a 128k Toastrack Rom on a grey +2? Any ... , a grey +2 with that ROM would become the most compatible ...Spectrum+ 128k ROM replacementHello, I want to change the stock ROM of my Spectrum+ 128k with an EPROM ([url="http://pdf.datasheetarchive.com/datasheetsmain/Datasheets-32/DSA-6…
... want to change the stock ROM of my Spectrum+ 128k with ...48K Issue 3B ROM to EPROM methodsHi folks, While fixing up a completely dead Commodore PET I needed a way of testing the 4116 RAM chips that make up its 32K, some googling found a…
... EPROM containing the 48K ROM and a diagnostic ROM from Paul Farrow ... 've found of doing the ROM - EPROM replacement, either the ... diags.
Sanity check ROM burner (MQP Pinmaster 48) by ... reburn the 27c256 with stock ROM (previous attempt had been with ...WANTED Machinecode Routine for Paging in Betadisk TR-DOS v5 ROMI try to build a small MCode-program which writes the TR-DOS-ROM v4 / v5 to RAM adress 40000 an up. It´s working on TR-DOS v4 / Betadisk 48k: C…
... which writes the TR-DOS-ROM v4 / v5 to ... #3C06 = 15366 dez = DOS / ROM ON
;TR-DOS v4 ... I compare the Bytes from ROM-Files, it seems with ... copies the standard Spectrum 48k ROM to adress 40000
... and NOT the Betadisk v5 ROM (because it´s not paged ...I don't think I'm getting the $22AA Pixel-Add rom routineDear all, I'm misunderstanding how the PIXEL-ADD rom routine works. My code... [code]ld b,175 ld c,1 call $22AA ld (hl),a ret[/code] So…
... misunderstanding how the PIXEL-ADD rom routine works.
My ... that, I'm assuming the rom routine at $22AA will convert ...Mastering Machine Code on your ZX Spectrum by Toni Baker - Chapter 17 Disassembling the ROMHi All, As promised I have posted the source code for the disassembler from Chapter 17 of Mastering Machine Code on your ZX Spectrum by Toni Baker…
... -baker-chapter-17-disassembling-the-rom/"]here[/url].
Thanks ...Where can I find accurate ROM functions map?Basically so I can avoid reinventing the wheel and just CALL rom if there is function there (for example, $203C, print function) that does exactly wh…
Basically so I can avoid reinventing the wheel and just CALL rom if there is function there (for example, $203C, print function) that does exactly what I want. Would also help keep program size small.ROM checksum tool.A recent post by Rorthron reminded me about this category and how little activity it's had since it was set up. :-S Reading through the "preservat…
... .worldofspectrum.org/forums/discussion/52364/rom-checksum-utility"]in Sinclair Miscellaneous ...Function works in SpecBAS but not BASinSo, is there any reason why this user defined function works in SpecBAS but not BASin? [code] 10 DEF FN m$(a$,n1,n2)=a$(n1 TO n2) 20 LET a$="The…
So, is there any reason why this user defined function works in SpecBAS but not BASin?
[code]
10 DEF FN m$(a$,n1,n2)=a$(n1 TO n2)
20 LET a$="TheManInTheMoon"
50 PRINT FN m$(a$,12,15)
60 STOP
[/code]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…
... of the The Complete Spectrum ROM Disassembly (by Logan and O ... SkoolKit job on the Spectrum ROM and publishing the result. Being ...ROM disassembly of CAS disk interfaceI finished disassembling of the ROM with operating system of CAS (Cheyenne Advanced Systems) disk interface. This interface is a clone of Beta 48 and…
I finished disassembling of the ROM with operating system of CAS ( ...Basin for Beginners questionI stumbled across [url="http://everychildcancode.org/basin/"]Basin for Beginners[/url] website when I was searching for a simple BASIC to start teach…
... across [url="http://everychildcancode.org/basin/"]Basin for Beginners[/url] website when ... revamped version of the classic Basin from Mr Dunn with learning ... anything after the line number, Basin pops up a strange error ...The Complete Spectrum ROM Disassembly - SkoolKittedAs [url="http://worldofspectrum.org/forums/discussion/52745"]indicated previously[/url], I've recently been working on converting Logan and O'Hara's …
... and O'Hara's Spectrum ROM disassembly into SkoolKit format.
rom/"]The Complete Spectrum ROM Disassembly[/url]
So it occurred to me; "Why bother with going into 48K BASIC when you can just....wrap the machine code calls inside a 'RST #28;DEFW addr:RET'?" Of course, you DO need a small M/C routine to do that, and ta-daaa, here it is: [cod…
... REM Usage: RANDOMIZE addr AND USR 23764
3 FOR a ... am using 'RANDOMIZE addr AND USR 23764' to put the addr ... routines in the 48-BASIC ROM, there is no need to ...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) …
... ships with 48.rom (16384 bytes) and plus2.rom (32768 bytes). Looking ... in the Complete ROM Disassembly I made the following ... br />
In the plus2.rom file I changed:
ROM disassembly.
Many ...RANDOMIZE USR, PRINT USR etcHello just wondering why is it called RANDOMIZE UsR what does randomising have to do with it ? When calling machine code routine from adress x you ty…
... why is it called RANDOMIZE UsR what does randomising have to ... you type RANDOMIZE USR x. Why not RUN USR x ? I just ... tried PRINT USR 65368 it resets the machine! ...How to get the different cursors in BASin ?I just tried BASin, it really is a fantastic tool. I noticed it had a UDG editor. But how do I bring up my characters that I have created? How do I g…
I just tried BASin, it really is a fantastic tool. I noticed it had a UDG editor. But how do I bring up my characters that I have created? How do I get the G cursor for example ?Recommend games that don't need the ROM ?I'm looking for a few games that: * Are freely available as .sna files * Do not need the ROM at all * Have motion on screen after snapshot resta…
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* Do not need the ROM at all
* Have motion ...THE LIGHTBULB EFFECT You know what that is? Like how cartoonists depict a bright idea by drawing a lightbulb over the head? When I was trying to work out the lengt…
... all with stuff like RANDOMIZE USR (string of numbers) which is ... this yet) entering it into BASin and seeing whats going on ...
