-
Getting aquainted with the IF1bisToday, fifteen days after dispatch, the IF1bis arrived at my door. In perfect order. No customs, no TVA and no handling fee involved. The arrival of …
... loaded OK. I'll read your thread after posting this ... going downhill. I have re-read the IF1 instructions and now ... 5 seconds to page the ROM in. When I do that ... the Shadow ROM lights but the keyboard ... looks like my caps lock key is sticking on, before ... -
SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... .endif
; THE 'ROM-0 ENTRY' SUBROUTINE
org ... stack BC
call keyboard ; read keypress
pop bc ; ... ROM 1, VRAM 0
ld hl, 0x0218 ; set longer key ... ld hl, 0x0208 ; set shorter key repeat
.endif
... -
SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... /> ld a, %00001111 ; ROM 0, VRAM1, RAM 7
read-in)
rst next_char ; ... )
call k_decode_1 ; decode key value
call bc_1_space ; ... defs 8, 255 ; unused locations (ROM 0)
.endif
... -
z88dk and im2I set up a minimal IM2 mode so I can draw sprites for a laff [code] #include <string.h> #include <stdio.h> #include <im2.h> #include <stdlib.h> #in…
... ) { /* Use OZ to get the key */
case 'a':
printf ... to get key presses. If you don't run the ROM ISR ... doku.php?id=library:input"]read a bit in the ... [/URL] about how to read the keyboard using the input ... -
"Press any key" detectionWhat would be the simplest way to detect if *any* key is being pressed? No LAST_K trickery, I can't rely on that. It has to be reading the keyboard p…
Just call wait-key1 at 0x15de. It will loop until a key is pressed (although not shift on its own). If you want to avoid using the ROM you're going to need to replicate the functionality of the ROM (read all 8 rows of the keyboard). -
The Elite ZX Spectrum bluetooth keyboard and their implementation of key ghosting.They have plans to release it September 2014. [url]http://bluetoothzxspectrum.elite-systems.co.uk/index.php[/url] They have also a Kickstarter page,…
... ]I've never experienced missing key strokes because of pressing many ... when you use the ROM routines to read the keyboard).[/QUOTE]
key layout in games came to ... -
Interface 1bis updateSupport for connecting a standard PC keyboard to the interface?s PS/2 socket, in place of a mouse, has been added. The external keyboard?s output is …
...
186 lines read, no errors in pass 1 ... br /> ; Entry point to shadow ROM for tape
; operations, ... *
; Test the BREAK key
;
38af : dbfe ... -
Interface 1bis updateSupport for connecting a standard PC keyboard to the interface?s PS/2 socket, in place of a mouse, has been added. The external keyboard?s output is …
... br /> 203 lines read, no errors in pass ... /> ; Return to the BASIC ROM
;
;0092 ... *
; Test the BREAK key
;
38a9 : ... -
Weird symptom number 2...I got a new keyboard membrane for my Spectrum+ plugged it in and low and behold the weird left to right printing of the copyright message disappeared…
... suspect machine with the 'U' key held down, It'll enter ... live display of the bits read from the ULA (see [URL ... hardware originated by Winston, the ROM checksum test will always fail ... 've seen (as the test ROM can't page itself out ... -
Weird symptom number 2...I got a new keyboard membrane for my Spectrum+ plugged it in and low and behold the weird left to right printing of the copyright message disappeared…
... suspect machine with the 'U' key held down, It'll enter ... live display of the bits read from the ULA (see [URL ... hardware originated by Winston, the ROM checksum test will always fail ... 've seen (as the test ROM can't page itself out ... -
Please explain Spectrum FPGA-clones to meI've been using the great ZXDS-emulator on the DS XL so far, which is great. But I kinda missed toying around with hardware. I've tried bidding on a …
... along with some mention of ROM or other embedded storage obviously ... at least one key difference here -- software stored on rom (firmware) ... The FPGA configuration is only read one time when the FPGA ... FPGA. After that the configuration rom plays no part.
... -
Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…
... , Issue 1, 48k rubber key (daughterboard in place). Just ... CPU : ZILOG Z8400A 8208
ROM : Hitachi
DRAM : NEC ... Green, Issue 2, 48k rubber key
ULA : 5C112E 8248 ... Some details I couldn't read from my crummy photos. : ... -
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,…
... (ie not connected to the rom). The parameters mean:
< ... in milliseconds
500 -- key start repeat time in milliseconds ... [/URL]
Have a read through if you want. If ... segments, memory model (target is ROM?), etc. I won't document ... -
New Game(s): Sir Ababol 2 and Sir Ababol DXHere is our own Christmas Present from Mojonia! We weren't going to release these games (at least, by the moment) but we decided just yesterday to fi…
... 144 bytes (it uses ROM print routines just to ... ;avoid whizzing into next key
call print_string ; ... br /> ld a,22 ;rom 'print at'
rst ... /> in a,(c) ;read that key row, check for keypress< ... z,rdlp1
got_key ;key pressed, record it
... -
IN and OUT in hardware terms... what are 'ports'?Hi all, I understand PEEK and POKE, but have never managed to get my head around IN and OUT. The books all go on about how they read from and wri…
... all (ROM), or, when you later try to read from it ... keys. So this information is read-only.
... to those that are subsequently read back.
... probe. Usually, you’d read from port $7ffe (01111111 ... ll know which column the key is in (or keys, ... -
Minor updateWhilst there is nothing major to announce, be assured that a lot of work is being carried out 'behind the scenes'. We now have 3 developers workin…
... now have really large flash ROM chips that could easily hold ... FTP like-ish read only server. The flash ROM chips can be ... limited number of non-critical read-only commands. It's a ... to 8 and the return key to select one of eight ... -
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[/url]]
Also, read the amusing reviews of this ... />
* [b]ZX81 SP ROM Disassembly[/b]
[[url="http ... /forums/discussion/50612/zx81-sp-rom-disassembly"]Link[/url]]
... [/b]
[i](one-key, lawnmower game)[/i]
[[url ... -
48k problemsHi all Just plugged in a 48k that I bought to find that the screen is jumbled with different colour pixel blocks. I removed the casing and noticed…
... running the fixed program in ROM. There are many reasons (faults ... spectrum do you have? Rubber key or Spectrum+ ?
At the ... , you should be able to read the board issue number. Can ... -
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[/url]]
Also, read the amusing reviews of this ... />
* [b]ZX81 SP ROM Disassembly[/b]
[[url="http ... /forums/discussion/50612/zx81-sp-rom-disassembly"]Link[/url]]
... [/b]
[i](one-key, lawnmower game)[/i]
[[url ... -
Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …
... 8 will show the ROM version number. This number ...
Opus ROM 'takes over' every KEY_INT at ... a very crude test: read all bytes and add ... 'start value' (programmed in ROM) is entered first, and ... while waiting for a key and signalling 'BREAK-CONT ... -
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[/url]]
Also, read the amusing reviews of this ... />
* [b]ZX81 SP ROM Disassembly[/b]
[[url="http ... /forums/discussion/50612/zx81-sp-rom-disassembly"]Link[/url]]
... [/b]
[i](one-key, lawnmower game)[/i]
[[url ... -
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[/url]]
Also, read the amusing reviews of this ... />
* [b]ZX81 SP ROM Disassembly[/b]
[[url="http ... /forums/discussion/50612/zx81-sp-rom-disassembly"]Link[/url]]
... [/b]
[i](one-key, lawnmower game)[/i]
[[url ... -
Function with push and popIm trying to see if I understand push and pop when it comes to using to pass parameters to functions: [code] LD HL,16384 LD A,5 Push AF Ld A…
[quote="slenkar;857988"]
So using IX and IY is a bit more generic and easy but has a size and speed penalty?
[/quote]
It is easy but it's not always slower nor is it always bigger. If you can't hold the current working set of ... -
ZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…
... this is a programmable paged ROM, the expectation should be to ... order to enter regular ZX ROM, which will allow to ... this page, Cartridge will become READ-ONLY, since no option for ... available ROM for applications by 16K), that could check some key combination ... -
Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …
... about the Discovery 2.2X Rom which it says is " ... Gently lever out the existing rom (the socketed chip closet to ...
3) Insert the new rom , with the notch on the ... FOR J=23296 TO 23305: READ A :POKE J,A: ... 2, press the "y" key to continue the backup in ... -
CAPS-SHIFT KeyCodeIs there a standard Keycode for CAPS-SHIFT Key ? Looking at the ROM documentation in the Main key table KEYTABLE_A, there is no Entry for CAPS_SHI…
... 39 (decimal) in my redefine key routine and it works fine ... you keyCode 39, for internal key scan control , if using your ... /mentioned values, if using standard ROM routines to try print [b ... [/b] we will get "[b]READ[/b]", but if we print ... -
So where is the random number in the Speccy ?So I am messing around with ZX Spectrum Assembler and I want a random number. I looked up previous posts and one of the links said that random number…
... because it's in [b]Read O[/b]nly Memory :) ... random numbers are in the ROM at 14000 ?[/quote]
... rather than relying on the ROM, for example a simple ... from the first 8k of ROM; although if you initialise ... after the user presses a key to start the program.< ... -
ZXBaremulator 35th anniversary editionHi, to celebrate the 35th Spectrum anniversary, I've released the first complete Spectrum 48K bare-metal emulator for Raspberry PI. It's available…
... . First, the "Del" key is from the numeric keypad ... not below the "Insert" key. The other keys are LCtrl ... triggered with LCtrl+[Pause/Break] key....
Another ... by the Symb-Shift key that don't works. ... can try to read a spectrum.rom file from SD ... -
The trouble with good code isLots of times I've come here to ask for help and always got it pretty promptly. Which is wonderful and one of the reasons why I don't think there's a…
... it is doing is another key thing.[/quote]
You’re ... is used in the BASIC ROM of every Sinclair Spectrum. Even ... was meant to make computers (read: mainframes) more accessible to non ... -
Thought this would be simple... Z80Hi Folks, Started to read "Beyond simple BASIC, Delving Deeper into your ZX Spectrum" by Dilwyn Jones. This is a great book and I came across the…
... e ;if E=FFh (no key is pressed),
;INC E ... ]
Or, without a ROM call and using only the ...
key_w in a,($fe) ;read port 254
cpl ;invert ... ,key_w ;try again if no key is pressed
[/code ...
