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What happens during a reset?I always used to wonder about this, but only thought a bit more about it last night when noticing after all these years what actually happens. Obvio…
... during a reset: the entire RAM is set to value 2 ... , why? Is this just a RAM test to make sure all addresses ... -
Aggravating problem with screensI've rewritten my Sam C runtime emulator code ( well almost ) to allow me to use my own routines for blitting sprites onto the screen, storing tiles …
... 6 RAM pages
( 96K) which the program uses ... workspace. In total, 10 RAM pages are used
... is attached to your program calls ROM routines ( ... 'behind'
your program is pointed to by the ... in "stdlib". Normally the program is
compiled to ... -
MEMPTR tests for emulator authorsI've recently been completing my MEMPTR implementation and have written a series of tests in [URL="http://homepage.ntlworld.com/mark.woodmass/z80test…
... /mark.woodmass/z80tests.tap"]this program[/URL] to verify the MEMPTR ... .
The test results in the program are compared against those ... -
AVI Seek repair. Any suggestions?Hi I've been ripping some movies from DVD to my computer using a commercial program. It does a great job, but one problem: when playing them back us…
... my computer using a commercial program. It does a great job ... . Anybody tried and test a good repair program that can fix seek ... -
BIFROST* ENGINE with Spectrum 128K support is out!The BIFROST* ENGINE release 1.1 is finally available, now providing also support for all Spectrum 128 models. You can download it from here: [url]ht…
... late timings), even when running BASIC programs or delaying interrupts during ... 1.0 in a BASIC or Assembly program, you must be aware ... the documentation and update your program accordingly. However if you were ... z88dk or Boriel's ZX BASIC, there's no need to ... -
Issue 2 problemHeres a video of what happens when I fire up an Issue 2 board ive had hanging around for ages, this is with Paul Farrows RAM test cart in btw If this…
... , this is with Paul Farrows RAM test cart in btw
If ... spares but if its lower RAM ill give it a go ... -
another faulty zx spectrum +2 to fix!!!Hello to all, I'm new here... I have got a faulty +2 (gray) and start to try fix it... I have read the treads of xaris_sm and Pluto63 as background…
... ...
Two ram chip (IC28 and IC30) are ... I will do some test with the "RAM test ROM"...
ram chip are completely dead ... want remove the two ram chips... but with my ... replacement for the two dead ram...
thanks ... -
Issue 4A black paper, white borderJust had one of these through, nice yellow pcb! Everything but the ULA soldered in. On power up I get black paper, white border and some intermitten…
... .
Testing with fruitcakes 128k RAM test cart brings up the screen ... a normal display without the RAM cart which makes me think ... -
Just some clarification needed6A board, RAM test displays blue border, black paper and 7 horizontal lines, according to [URL="http://www.fruitcake.plus.com/Sinclair/Interface2/Car…
6A board, RAM test displays blue border, black paper and 7 horizontal lines, according to [URL="http://www.fruitcake.plus.com/Sinclair/Interface2/Cartridges/Interface2_RC_New_RAM_Tester.htm"]this[/URL] I believe its pointing at IC12? -
Interface1bis and alternate roms?I was wondering if it's possible to put alternate ROMs on the Interface1bis? I'd like to try using the Gosh Wonderful ROM without having to make any …
... if I can load a RAM test ROM somehow. I'm wondering ... my +2 might have bad RAM since I'm having problems ... -
48k not startingHi team, I have 2 48k's, one works (Issue 4s), one doesn't (Issue 4a). The non-working one appears to start, but not finish the RAM test. The pape…
... start, but not finish the RAM test. The paper goes black and ... and within tolerance.
RAM chips don't get warm ... ... Is this normal? Unfortunately the RAM chips are soldered directly to ... -
Power issues on a 6A 48 K SpectrumHello all! I decided to take another look at my 6A Spectrum that I broke via a bad joystick adapter, I’ve removed the bottom 16K ram and replaced…
... please!)?
[b]Regulator test:[/b]
The left hand ... wrong here.
[b]RAM test:[/b]
previously I was ... too.
[b]TR4 Test:[/b]
This seems wrong ... (0)
[b]TR5 test[/b]
This looks okay ... -
Shimmering displayHi all, I've got a 48K issue 4S and it appears to be working apart from it's displaying weird vertical shimmering patterns. It passes a RAM test t…
... shimmering patterns. It passes a RAM test though and doesn't appear ... now after swapping all that RAM about? But it seems to ... -
Issue 2 problem.Hi all, I'm trying to repair / upgrade an Issue 2 Spectrum for a friend, but have come accros the following problem. When I power the machine …
... the Sinclair test cartridge in my Interface 2 (or RAM turbo), the ... only 16K fitted the sinclair ram test works and says that the ... the upper 32K and the RAM test will fail with problems in ... , and maybe both sets of RAM are getting enabled at the ... -
How do i learn to programAll the years i had a computer the only one i could program was the Texas Instruments Ti99/4a and when using extended basic with its so simple sprite…
... these.
The basic concept of all assembly programing ... return to whoever called us, BASIC in this case
basic, (poke 32767,63 : poke 32768,100 : poke 32769,201)
This is because BASIC will print the contents of ... -
The funniest thing we made with the spectrumHello. The funniest thing i made with the spectrum were championships with my buddy francisco on a game called 3d stunt car racer, i think that was t…
A very basic stock control program that was really just an ... -
Entering Cheat POKEsI have a Mac and run Mac Spectacle on it and I'm having trouble using game cheat POKEs. I believe this emulator does not support Multiface POKEs so I…
... enter the POKEs in basic before the program starts.
A slightly ... -
Adventure type-insI know there are many adventure enthusiasts in here. Did any of you type-in adventure listings from magazines or books? If so, do you still have a …
... books but also type-ins (BASIC I suppose) by users? Good ... .)
I have a program (now on my hard disk ... . It's a *very* basic fruit machine program that I seem to ... doubt I'd upload this program to a type-in section ... -
NEW CRONOSOFT RELEASESHi all, A few things happening at the moment, which may be of interest ... PLATFORM GAME DESIGNER ----------------------- A surprise this one... …
... 've created back to BASIC or whatever program has called it. (Am ... -
NEW CRONOSOFT RELEASESHi all, A few things happening at the moment, which may be of interest ... PLATFORM GAME DESIGNER ----------------------- A surprise this one... …
... 've created back to BASIC or whatever program has called it. (Am ... game, one which returns to BASIC (or the calling MC routine ... -
How do I poke a Spectrum?I've forgotten how to do it. Does anyone remember?
How do I poke a Spectrum?I've forgotten how to do it. Does anyone remember?
Interrupt timingsHow long does the ULA hold /INT low for on interrupt on each of the Spectrum models?
... indeed. A quick test with Woody's program tells 31T for 48K ...New Compo IdeaI've had this idea and would like to know what do you think about it. I think that most of us here know how to code in BASIC. The problem with Specc…
... 't think comparing a BASIC and MC program will work at all ... to weigh and factor every BASIC and MC game.
z88dk+splib2 sprites question.I'm creating a game and I have several "states" for my main sprite, such as jump, facing left, facing right, etcetera. All those states require a dif…
... Iforeve to run from BASIC
;
; Poke in 32768-9 source ... usas en un programa de Basic
; estos registros deben ser ...XLR-8 mastering software and BASIC loader demo ready for inspectionI've got a TZX of stuff to have a look at if anyone wants to, ummm, have a look at it. Is there somewhere I can upload to? (Martijn?) Cheers
It makes you wonder what they were thinking when they implemented the commands POKE, PEEK, IN and OUT. :)
Necros.What happens during a reset?I always used to wonder about this, but only thought a bit more about it last night when noticing after all these years what actually happens. Obvio…
... :
Is this just a RAM test to make sure all addresses ... taken as the top of RAM. This "error" condition will occur ...M3 UnlockDoes anyone know where I can obtain a copy of "M3 Unlock"? Apparently it will allow the loading of Multiface 3 snapshots without having a multiface…
... how to actually USE this program??? I have a multiface snapshot ... Select menu 1. M3 Unlock program, Disk to Disk
Now ... br /> Change disks as the program wants
When the ... the basic loader,
load program again and select 4 basic setup program
