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A dangerous 6th key?Or even 7th for that matter. What's the general consensus on action games that require more keys than QAOP-Spc*? Which key do you choose for that d…
... feet; now you just push 2 or 3 buttons in the ... it's more of a memory test (being able to remember the ... -
A dangerous 6th key?Or even 7th for that matter. What's the general consensus on action games that require more keys than QAOP-Spc*? Which key do you choose for that d…
... feet; now you just push 2 or 3 buttons in the ... it's more of a memory test (being able to remember the ... -
+2 DIAGNOSTICSIs there a diagnostics test available for the spectrum 128 (+2) in tzx format? I've just obtained a spectrum +2 Grey and all looks fine with it on f…
The +2 RAM test on startup checks all 16K memory banks by paging them ... little better than the 48K test, although it's still quite ... 3 - Green.
; RAM bank 2 - Magenta.
; RAM bank 1 ... -
Issue 2 Upper Ram, Loading & ResettingI have a 48k Issue 2 Speccy and for the life of me can't track down what the problem is with it. I initially thought that some of the uppe ram ic's w…
I downloaded Zorns RAM tester program a while back thinking that ... with another Issue 2 and run the ram test program again with the ... RAM IC's, run the test program again and ended up with ... -
Testers for new z88dk clibA long (long, long, long) time ago a few people offered to help test the new clib in z88dk. Much time has passed since then and I won't hold people,…
... asm code
target bankswitched memory
:o
program development a lot easier. The ... Timmy's adventure code. The test program above is creating three different ... -
FZX: a new standard format and driver for proportional fonts[B]FZX[/B] is a very compact and efficient (although extremely flexible and powerful) standard format to create new fonts for the ZX-Spectrum. It sup…
... the font names in the test program is "ff_ao_Dutch" (fzx font, andrew ... I'd use the "Wordwrapped 2" version in the picture.
2 there?
The ... significant difference between 1 & 2. Actually I should say it ... -
FZX: a new standard format and driver for proportional fonts[B]FZX[/B] is a very compact and efficient (although extremely flexible and powerful) standard format to create new fonts for the ZX-Spectrum. It sup…
... the font names in the test program is "ff_ao_Dutch" (fzx font ... 'd use the "Wordwrapped 2" version in the picture.[/ ... difference between 1 & 2 there?[/QUOTE]To be ... predefined sized spaces. In 2 the size of space ... fill a line. Version 2 makes sure that there ... -
Strange keyboard port reads on 48+Hi all, I don't know whether it was already discussed (I also searched forum, but there are too much of results searching "48k keyboard" so I didn't…
... I tried the latest test program on all three machines, ... trying the Caps+9 test under any circumstances.[/ ... is normal, as the program lies in upper ram ( ... the last read from memory before port is read ... so I created that second program where "IN" instructions are ... -
FZX: a new standard format and driver for proportional fonts[B]FZX[/B] is a very compact and efficient (although extremely flexible and powerful) standard format to create new fonts for the ZX-Spectrum. It sup…
... /> You will find a test program in the "test" directory. There are three ... 't see it in this test program, fzx terminals are windowed, meaning ... 64x24 fixed width).
2) The "paper" is nested inside ... -
Random object placementI'm looking for some advice on placing objects randomly in a game. I have a routine that reads a table and prints the corresponding object: 0 prints…
[QUOTE=Jerri;817782][QUOTE=Einar Saukas;817774]I just run a simple empirical test (plotting randomly on screen) to compare the random generator algorithms mentioned here:
[CODE]10 FOR f=0 TO 20000
20 LET y=USR 32768: IF y -
Testers for new z88dk clibA long (long, long, long) time ago a few people offered to help test the new clib in z88dk. Much time has passed since then and I won't hold people,…
... 've made all library memory allocations go through malloc ... any dynamic memory related stuff in the sp1 program above). ... extern data structures. In your program above, that's "ff_dkud3_Echo ... declares that symbol to your test program:
[code]
... -
Floating Point Package Math48<br>I came across a neat little floating point package for the z80 and I'm adapting it now to work with z88dk and sdcc. There is an interesting…
... taking over 2.5 minutes. For that particular test the main ... :
0.8d0e95b27d * 2^(-39)
binary:
0.b0523b1f1c * 2^(3) * 2^(-39)
... "0x0.b0523b1f1cP-36" into the test program you get:
... -
Features that are still wanted in Spectrum emulation.Features that are still wanted in Spectrum emulation. 4 USB joystick/gamepad input for real multiplayer games - Yes, Bomb Munchies.... - Sinclair 12…
... after I sent someone a test program to run which did exactly ... keypresses (such as Sinclair 1/2 and Cursor) is highly unusual ... Cursor, Sinclair 1 and Sinclair 2 joysticks by calling its keyboard_press ... COMCON, some did come with 2 joystick ports, but both ... -
Floating Point Package Math48<br>I came across a neat little floating point package for the z80 and I'm adapting it now to work with z88dk and sdcc. There is an interesting…
... : you’re certainly saving memory in arrays of floats, ... showed up in a test program showing a 3d plot of ... its size. Yet the program was fractionally slower than ... lot in this particular program. Floats are slow on ... states in a sw program is huge and testing ... -
Floating Point Package Math48<br>I came across a neat little floating point package for the z80 and I'm adapting it now to work with z88dk and sdcc. There is an interesting…
... showed up in a test program showing a 3d plot ... its size. Yet the program was fractionally slower than ... and the size in memory of floating point data. ... i.e. if a program produces completely different answers when ... how parts of a program interact. I have seen ... -
New version (v0.31) of ZX DiagnosticsHi all,<br><br>Just wanted to let people know that I've released a new version of the Spectrum Diagnostics into the wild.<br><br>These were originall…
... />
I not show Your test program ?
With digiboard all is ... ]
This is grey +2, same at +3 and etc ... -
Dead SpectrumHello guys, I've just bought a dead Speccy 48k (Rubber Keyboard Issue 3 board). Basically, when powered on it initially appears to boot up ok, but in…
... is failing, use of a test program (that does not need [i ... /Interface2/Cartridges/Interface2_RC_TestCartridges.htm"]Interface 2 test cartridge/ROM[/url], one of ... -Programmable-Sinclair-ZX-Spectrum-Interface-2-ROM-Cartridge-4245"]reprogrammable cartridges ... -
Faulty Issue 1Hi all, thought I'd document my efforts in getting another speccy working. I've never done this before so please bear with me... I recently took a p…
... can find a decent RAM test program: results of that.
memory reads, Z80 memory writes, or ULA reads ... -
Speeding up programs by hacking the SysVarsPositively pleased to properly discover this area of the forum! I have a couple of recent tricks that might be of interest - they're probably old hat…
... setting PROG to NXTLIN. The test program simply fills the screen with ... .0 seconds[/b] ([b]352.2 frames[/b]) or [b]~4 ... %[/b].
The next test converted the variable names to ... %[/b].
My final test was to take the above ... -
How to get more than 21 UDG's in BASIC?So with graphics mode under the G cursor how many UDG's can you do from BASIC is it 21? It's all POKE 65368 and above and it's sequential ABCD.... an…
... ;887001"]So using the old memory copy program again :) I do
Yes, easiest to test is to POKE only each ... -
can a backup device damage the spectrum ROM?as above. been using a specmate device which seems to have corrupted my speccys ROM.
... ask is I have asked 2 spectrum repairers, who have been ... which has a comprehensive RAM test program, even better if it has ... a ROM test program as well, it's a ... -
ZX Spectrum 48k issuesHi all! A couple of days ago I bought my first 48k Speccy off ebay (I already own a beautiful QL expanded with QubIDE interface and 640k ram). It was…
... faults, is a ROM based test program. A number of interfaces/ expansions ... (including EPROM/EEPROM/flash memory). A RAM test program running from ROM, does ... -
Testing your codeOk, guys, again I here with question. How do you test your works? I understand how to test functions and procedures mathematically (for example, g…
... usually done by running the program under test through a simulator which ... , memory, register values) and then queried for cpu state after the test program ... has run to determine if the test passed.
c64 .sid player coming soon to specy 128!!!c64 .sid player coming soon to specy 128!!! the first old version uses only square waves, 4 years ago: https://www.youtube.com/watch?v=6CKt9noxA7s…
... TZX loader is on page 2, and normally page 0 should ... mode, ignored.
Bit 2: In normal mode, high bit ... editor, menu system and self-test program
ROM 1: 128k ... syntax checker
ROM 2: +3DOS
ROM 3: ...c64 .sid player coming soon to specy 128!!!c64 .sid player coming soon to specy 128!!! the first old version uses only square waves, 4 years ago: https://www.youtube.com/watch?v=6CKt9noxA7s…
... RAM banks stay at 5/2/0. YM tap version. ... normal mode, ignored.
Bit 2: In normal mode, high bit ... editor, menu system and self-test program
ROM 1: 128k ... syntax checker
ROM 2: +3DOS
ROM 3: ...ZX Spectrum Test PCB I recently read about one of these (I think it may have been the Retroleum site but I am not sure) and I thought "What a great idea" . As pictured …
Some aspects of the Tynesoft Test Rig.
Here ... upper case used)
2) Traco
3) ...
6) Socketed chip for Memory Test
7) Issue ... wire up the LED. 2) Why only one RAM ... at the Tynesoft Test rigWhy don't the variables print where I told them too?I wrote the following program to experiment with creating sounds using 3 notes of BEEP and having the ability to change the notes up or down one at a…
... much to my short Beeper test program, more features, it starts to ... be called to (1) test different tones (2)different durations (3) add ... to use when writing another program that will use all that ...Why don't the variables print where I told them too?I wrote the following program to experiment with creating sounds using 3 notes of BEEP and having the ability to change the notes up or down one at a…
... much to my short Beeper test program, more features, it starts ... be called to (1) test different tones (2)different durations (3) add ... to use when writing another program that will use all that ... there was a (public domain) program like this for the (brilliant ...Repair ZX Spectrum +2 black issue 1Hi all, after a long time i will try to repair a ZX Spectrum +2 black i found the last days i know for sure that CPU is damaged (already repla…
... tester when trying repairing my +2 grey (really help me back ... use it on the +black 2 to test fualty rams ics? but ... should put this test rom chip? +2black has 2 roms ics)
memory? i think this can happen ...Not bored with the Boards.Going through some old tapes stored rather badly I came across an unlikely item that that I must have stored away quickly with other low grade items …
... Spectrum test board should have:
[list][*]Be an issue 2 ... between BASIC and a system test program in the EPROM.
[*] ... service manual).
[*]Have test links that can easily be ... modified.
[*]Have suitable test points/sockets/pins so it ...
