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128K+2A/+3 RAM layoutDoes anybody know how physical RAM is mapped to ZX 128k+2a/+3 address space ? There are four 64Kx4 chips IC4-IC7. IC4-IC5 seems to be contended (vide…
Does anybody know how physical RAM is mapped to ZX 128k+ ... be contended (video RAM). It would mean RAM banks 4-7
RAM test program, can be on ... -
Bug Repelant Spray and CamerasJust a warning to those of you using bug replant spray to keep mosquitoes, ticks and chiggers of your skin. Many bug sprays contain Deet, a chemical …
... to those of you using bug replant spray to keep mosquitoes ... chiggers of your skin. Many bug sprays contain Deet, a chemical ... -
File size in 128K RAM diskHi Folks, Is there a way to get the size of a file stored in the 128K RAM disk from within a BASIC program? Many thanks Paddy
Hi Folks,
Is there a way to get the size of a file stored in the 128K RAM disk from within a BASIC program?
Many thanks
Paddy -
An inspired-by and an Infoseek maybe-bugHowdy. Bob's "[url=http://www.worldofspectrum.org/infoseekid.cgi?id=0024034]All Present And Correct[/url]" needs an 'Inspired by' field stating Sega…
... by field. Is that a bug or does searching ANYthing not ... -
JSpeccy v0.89 Christmas 2011 EditionHi, After seven months of hard work, tonight I've released a new JSpeccy version as my humble Christmas gift for all the community. As my webpage i…
... store the cartridges.
[*]LEC RAM Extension Emulation, that allow to ... and, unofficially, store the LEC RAM pages.
[*]The fast load ... faster now... :)
[*]The old bug set has been changed by ... -
Split Personalities (Bug-Byte)[re-release]Hi, mheide in infoseek [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0004769[/url] Split Personalities (Bug-Byte)[re-release] version current…
... =0004769[/url]
Split Personalities (Bug-Byte)[re-release] version current ... -ip.org/wos/splitpersonalities(1986)(bug-byte)(sidea)[re-release].wav ... -
ISR's in lower ram, a.k.a. the snow effect - did any game or demo ever use this?Hi all I've been curious to see what the 'snow effect' looked like in real life for a while now so today I wrote a quick IM 2 ISR in lower ram to wi…
... IM 2 ISR in lower ram to witness it firsthand. Pretty ... -
Xeno (Bug-Byte)[re-release]Hi, mheide In infoseek [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0005787[/url] Xeno (Bug-Byte)[re-release] version current read protectio…
... ?id=0005787[/url]
Xeno (Bug-Byte)[re-release] version current ... -ip.org/wos/Xeno(1986)(Bug-Byte)(SideA)[re-release].wav ... -
+3e with DivIDE systemsIf we replace old R-GAL chip on original DivIDE with new XR-GAL (this is only firmware for GAL chip) then will possible DISABLE or ENABLE any DivIDE …
... can be install to divide ram, need reset ZX for detect ... />
This routine reset DIVIDE paging port and disable system.
New project: CargandoLeches. Ultraloads with ROMHi This project has started months ago, between decicoder, macleod and me. Uses the best modulation of k7zx (throwing shavings). But this ultraloa…
... : these models has special paging that allows RAM in lower memory (so ... emulating the ROM code with RAM).
Sorry, the web ...Luna Atac bug?Someone is trying to RZX this game, but when they get to the end to enter the password, choosing any letter kills them. Is this a Jet Set Willy styl…
... Jet Set Willy style Attic bug?
Anyone got a ...Ram Turbo compatibilityThe Ram Turbo interface, couple of joystick ports (iirc they can be Kempston too) and a IF2 style cartridge slot. This one > [url]http://www.worldofs…
The Ram Turbo interface, couple of joystick ...The great escape bug?I'm not sure if this is a bug or something slipped in by the programmers but i've noticed that if you try and bribe a prisoner with the chocolate wh…
... sure if this is a bug or something slipped in by ... not sure if thats a bug or something by Deton.
zx81: is there a 16kb ram limit for basic?first of all, sorry to all about posting a question about zx81 in a forum mostly about zx-spectrum - i didn't want to offtopic questions here anyway,…
... time were only predicting 16kb ram extension, and this may the ... 32kb, 48kb or 56kb of ram?Difficult to find upper RAM fault.I've recently repaired an issue 3B 48K Spectrum that had a tricky to diagnose upper RAM fault, so I thought I'd post a report of what I found here. …
... br />
Next, the section RAM-READ begins examining and modifying ... each possible RAM location, from low to ... passed from testing lower RAM to upper RAM. Here is an example ... routine passing from lower RAM to upper RAM, but I did see ...Inefficient code in ROM, from ram-check to RAM-DONEHere is the inefficient code: [CODE] ;; ram-check L11DA: LD H,D ; Transfer the top value to the HL register LD L,E …
... ; pair.
;; RAM-FILL
L11DC: LD (HL ... JR Z,L11EF ; forward to RAM-DONE if faulty.
< ... />
[CODE]
;; ram-check
EX DE,HL ...
;; RAM-FILL
L11DA: LD (HL ...4116 Ram chip replacements?Hello. I am in the work of gathering replacement parts for my speccy 48k. And I would like to know what chips is good replacement for the 4116 ram ch…
... good replacement for the 4116 ram chips, and where can I ...Official Basinc thread - Bug reports and other discussionI just released a new BASin fork, basinc. The first official release was V16r2, and today it's r3. it's uploaded to wos archive and alternatively, h…
... is where you put your bug reports and features. No promises ...Back to Skool joystick bugThe 'Original release' TZX of [url="http://www.worldofspectrum.org/infoseekid.cgi?id=0000362"]Back to Skool[/url] in the archive has a bug in it that…
... ] in the archive has a bug in it that makes Eric ... years ago - in which this bug is not present (in fact ...Hectic, released by Bug-byteFinally we have found out that the game was indeed released by Bug-byte ;) [url]http://www.ebay.es/itm/SPECTRUM-Sinclair-Bug-Byte-HECTIC-/1808771817…
... game was indeed released by Bug-byte ;)
[url]http ... .ebay.es/itm/SPECTRUM-Sinclair-Bug-Byte-HECTIC-/180877181731?pt=LH_DefaultDomain_186 ...Zexall or Emulator bug?Hello! I was running ZexAll in Zero, Fuse, Spin, SpecEmu, Spud & Speculator and noted that all of the emulators occasionally froze on the "scroll ?"…
... or is there a known bug in ZexAll? Or is it ...Issue 1 ram connectors....Hi Does anyone have the pinout of the Issue 1 internal RAM connectors, for the 16K-> 48K upgrade board, as I'd like to try and make myself a board, a…
... of the Issue 1 internal RAM connectors, for the 16K-> ...ULA bug and snowI am tryng to improve the snow emulation in FBZX wii but I do not have a real spectrum to test the results. I used the information taken from Harele…
... not get latched into the RAM but the previous latched row ...RAM Turbo without a slot?Hi! I got this RAM Turbo joystick interface which surprisingly came without a cartridge slot inside. Would there be any reason someone should cripple…
Hi! I got this RAM Turbo joystick interface which surprisingly ...TESTROM3 - utility/rom for test your ZXHere is TESTROM3 utility as 16kB ROM file + flasher for install this rom to divide eeprom (or mapram mode). Work also on ZX Spectrum without ROM and …
... (48 basic with enable 128kB ram)
TEST 128kB ... 48kB mode)
If 128kB paging is ok then continue in ... =black).
If detect bad ram then show small multicolor lines ... menu.
TEST FAST RAM
=============
Test only fast ...128kB snapshot on ZX48kBWhat is best way for 128kB snapshot loading on 48kB models ? Some Z80 snapshots are 128kB versions (Z80 v2 or v3) but contain 48kB games. Same proble…
... last 16kB of ram load current ram page ? Or set ram page 0 ... . 128 snapshot with locked memory paging is same as 48 snapshot ... only contain next unusable ram pages.
- If 128kB ... load always only 48kB ram with current ram page from port 7FFD ...vade retro - transporter bug[URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0027878"]vade retro[/URL] The loading screen clearly indicates that the name of the game is i…
... ="http://www.freefilehosting.net/vaderetroi-bug"]Here's the .z80 of ...
