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Knight Lore disassemblyHi, Not quite sure if this belongs here or in "Games" but figured it's more likely that developers would be interested. I've just released the …
... Stamper brothers used the same keyboard routine for all their games and ... 've learned how to read Spectrum keyboard owing to Toni Baker's ... Stampers didn't read that book when were writing their routine. :D -
Idk>le me browsing through some game's code >..... [code]61A8 F5 push af 61A9 3EFF ld a,FF 61AB D37F out (7F),a 61AD D33F ou…
... WHY ALLAH[/b] and the keyboard routine (#D800) is POKEd such that ... the opposite of its currently read value
2. During ... '0', which is the value read in step 1. After that ... -
A z88dk + sp1 demo (with source)Since nowadays people are still wondering about how difficult it is to make something in z88dk, I thought I just put a very simple demo to show how e…
The version for the new c library is split between two files. One holds the C code and the other holds the asm stuff. The compile lines are listed at the top of demo.c. "q" increases the number of sprites, "a" decreases the number of sprites, "p" ... -
Reading sequential key pressesI am thinking about writing a quick game and have an idea that requires me to read alternate key presses. I’m thinking along the lines of Daley Thomp…
... is being pressed. In your keyboard scan function, track when both ... ' to 'down'. Then when you read that flag from somewhere else ... the screen. Just a test routine but the code in the ... -
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…
... (decimal) in my redefine key routine and it works fine.[/quote ... control , if using your own keyboard handler, however, if you ever ... [/b] we will get "[b]READ[/b]", but if we print ... -
MuCho CYOA/gamebook/multiple choise adventure engine, release 3 - little to no programming neededDownload the whole kit (win32 binaries) here: http://iki.fi/sol/zip/mucho_03.zip Or if you just want to peek at the documentation and prebuilt …
... I use as my keyboard driver readKeyboard routine
[code]; TOP ROW ... can easily change row save/read order, by changing
[code ... +3), in order to save keyboard state elsewhere, by using DE ... -
A few questions about sound and keys in BASICIf I want sound in my BASIC game I have to use BEEP right ? It seems to lock up the CPU for far too long . On Arjun's page I found how to use CALL 94…
... try to get a mc routine for sound. BEEP will stop ... could try to get other routine for keyboard reading, or use IN ... can get simultaneous keys (and read joysticks, too). -
Keyboark Clickevery time i press a key i get a click. The click is a beep but very short. i unserstood with this command. POKE 23609,255 by default is 0... and …
... by the routine at NEW, and read by the routine at EDITOR ( ... /> you can read something about it on EDITOR-Routine:
http:// ... Fetch the duration of the keyboard click (PIP).
03902 ... you can found the BEEPER-Routine with infos on frequency:
Project: ZX OpusHello my friends, I have been in need of a push lately so I thought if I post some of the work for this project here you guys (and gals) can help me …
... - using an ASM draw routine and a bit of BASIC ... =(
[code]
; Read mouse data from k-mouse ...
CALL GET_CH ; get a keyboard input
CP 'q' ; ...Interupt service routinehas anyone set up a interupt service routing with pasmo? this one I tried resets the speccy EDIt- I placed the code after the END directive, I fi…
... routine so you increment FRAMES System Variable and read the keyboard ... Jump to ROM maskable interrupt routine at $0038
[/ ... br /> As your interrupt service routine does nothing, it's difficult ... Jump to ROM maskable interrupt routine at $0038
[/ ...endless runner project..So I'm thinking of writing a small tutorial series on writing games for the speccy in C, and figured that an endless runner would be an easy example …
... was brought together with the keyboard. The windows command shell ... write your own c/asm routine to do it.
... fgets() and sscanf() to read terminal input instead of ... were using scanf to read some of the line ... better way is to read the whole line into ...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…
... is to write a mouse routine in Z80. I knocked up ... S=NS
280 REM Read Keyboard
290 REM Only Cursor ...A Neat Redefine Keys RoutinePreviously, I’ve only shared this routine with a couple of people via PM, but I’ve now decided to make it public. I optimized it for size, so it uses…
...
ld a,(23693) ;read current attributes
and 248 ... /> decode ld a,(hl) ;read keycode into A
and ... ;high byte of port to read (%11111110) (initial pattern)
routine for handling Kempston joystick and skip keyboard polling ...Witchcraft: Nirvana, Bifröst and such[url="http://www.rgcd.co.uk/2011/10/buzzsaw-zx-spectrum.html"]"When considering this next to nearly every other ZX Spectrum game though, Buzzsaw is l…
... best to have a read of one of the ... , and two bytes are read. Because you've set ... jump to your real interrupt routine.
Now ... 's BASIC interpreter and keyboard support still running, then ... drop into the standard interrupt routine.
I ...How to avoid flicking? IM2 help.Hi, I have started on a quest to make a demo for ZX Spectrum. However the display is flickering and I guess it is something about updating at…
... time.
I have read something about IM2 without understanding ... can change your IM1 routine into an IM2 routine, but in your ... need to spend time reading keyboard etc.
call clearscreen
INC not working as expected in LoopHi, i have been working on this for around 2 weeks now and Ive read myself into a hole. I am trying to increment HL. HL is referencing a display …
... to realise that reading the keyboard will tell you if a ... ]pressed[/i] since you last read it - if the key is ... also try adapting the right routine to:
[code]
Useful Hacks and Alterations ArchiveBeyond infinite lives and 'cracked' games (which I don't like much) there are several really useful hacks of Spectrum games that make them - more pl…
... checks for O and P read from dffe twice when once ... it comes to writing a keyboard routine and I was entering it ... ; patch to jump to our routine
...
e9f9 xor a ... ; jump back to continue original routine
[/code]Useful Hacks and Alterations ArchiveBeyond infinite lives and 'cracked' games (which I don't like much) there are several really useful hacks of Spectrum games that make them - more pl…
... the exact same routine in whether you select keyboard or Interface 2 ... rotates through the result to read which of the keys 1 ... patched version that replaces that routine with a QAOP one (optimised ... has both QAOP controls for keyboard and a working Interface 2 ...Easiest way to figure instruction lengthGiven a start address, what is the easiest way to find out instruction length at that address in Z80? I found [url="http://www.z80.info/decoding.htm"…
... was looking for a routine to quickly guess instruction ... is always FEh for reading keyboard ports
Read_Keyboard_0:
IN A,(C) ; Read the row of keys in ... /> IN A,(C) ; Read the row of keys in ...How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... sprite8x8
; Read these ports to scan keyboard
; bit N ... (#FE)
; to do the read of the port
; exit ... a = 0, use standard aligned routine
or a
... .
The sprite8x8 routine is crap, slow and needs ...How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... sprite8x8
; Read these ports to scan keyboard
; bit N ... , (#FE)
; to do the read of the port
; exit ... a = 0, use standard aligned routine
or a
jp ...How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... a = 0, use standard aligned routine
or a
jp ...How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... a = 0, use standard aligned routine
or a
jp ...How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... a = 0, use standard aligned routine
or a
jp ...Robospec (new project, hopefully useful as a tutorial as well)Starting a new project after my graphics investigations. * It's gonna be a Robotron clone since that's not too ambitious (although I'd like to hav…
... to turn sprite16x16a into a routine that does stack abuse to ...
read_keyboard:
; Read these ports to scan keyboard
; bit N ... , (#FE)
; to do the read of the port
; exit ...How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... a = 0, use standard aligned routine
or a
jp ...
