-
Help with Snake type game...any ideas ?Hi all I've attached me trying to write a snake type game. My first concern is me not writing over the System variables area. I'm pretty happy what i…
... me not writing over the System variables area. I'm pretty happy ... -
ROM PRINT routine issuesHi all, I am using the ROM print routines a lot in my assembly program and I'm experiencing issues. I am changing the system variable DF CC to po…
... issues. I am changing the system variable DF CC to point ... print routines are updating other system variables to check what 1/3 ... -
What should your speccy have come with ?:) I was thinking about this earlier. What changes should of been made to the Speccy when you purchased yours ? Realistically this topic really…
... PSU 'brick' itself
System variables (two bytes maybe) to change ... -
z88dk : Support FunctionsJust a quick one here, I am looking to doing some dirty dirty code with C and load a screen$ file from the disk using "system( command )" - yes I …
... $ file from the disk using "system( command )" - yes I know I ... have upon compiling when using "system()" it simply isn't implemented ... Memory that are used by system variables and then have the basic ... -
Clever, yes. Useful? Not so sure. Re: LOAD ""CODE gamesI was always curious about how the (few) games that require that you type LOAD ""CODE, rather than the usual LOAD "" worked, but only just now decide…
... is it saves all the system variables, including the last command (RUN ... -
Adding command to BASICI am looking for an article about adding commands via software to sinclair basic. I know there was one published and to the best of my knowledge it w…
... to use some of the system variables to redirect the error handler ... -
PSI ChessHi, Anybody out there remember the game "PSI Chess" by The Edge? Well, there seems to be no problem finding a snapshot ot tape image for this game …
... BASIC, or protected it with system variables, some emulators should be able ... -
Sinclair FontAny ideas where I can get hold of a copy of the original Sinclair font (as used on speccy and all packaging) as a true type face?
Thanx guys but I don't want the spectrum system font! I'm trying to get hold of the same font used on the packing - "sincair" -
new emulatorHi All. If you wish you can download/test/link to/betatest etc. my new emulator EmuZWin 2.0. It emulates S48 and S128 and works under all Windows 9x…
... like the ROM calls and system variables specifically labelled and the ability ... -
How do I avoid BASIC becoming corrupted on returning from a M/C routine?I'm having trouble with my BASIC program becoming corrupted on returning from a m/c routine which sets all the registers (including the shadow regist…
... , as that points to the system variables area. SP is also important ... -
TimingHey All, Is their away of obtaining timing information on ZX128k other than addresses 23672->23674. Basically I would like to identify every 100th …
... /> Tricky. The counters in the system variables are simply incremented every time ... -
Anybody know anything about this??On another thread in the Misc section there are a few people aking about giving the Speccy internet/email access. Having a search around the net I f…
... ...interesting...New operation system for zx-spectrum?...
System components:
... 1).system loader - BIOS(?).
7).NESSI - system configuration and drivers system.
8 ).LARA - ... -
Problems with emulated games controlsHiya, I'm new and I've come across a few problems! I used to own a Spectrum and loved it to pieces, this site has brought my childhood back :) Anywa…
... controls change depending on which Spectrum system the game was made for ... -
Problems with emulated games controlsHiya, I'm new and I've come across a few problems! I used to own a Spectrum and loved it to pieces, this site has brought my childhood back :) Anywa…
... controls change depending on which Spectrum system the game was made for ... has been on every british spectrum keyboard ever made :) Can't ... -
Memory Available for 16k and 48kAm I right in thinking that if I am writing a 16k Game, I have 8k available for the machine code prog 6000h to 8000h, and for a 48k game I have 40K a…
Memory Available for 16k and 48kAm I right in thinking that if I am writing a 16k Game, I have 8k available for the machine code prog 6000h to 8000h, and for a 48k game I have 40K a…
Indeed - but frankly you only need to care about the system variables if you're using BASIC - otherwise you can fuck them up as much as you like.Memory Available for 16k and 48kAm I right in thinking that if I am writing a 16k Game, I have 8k available for the machine code prog 6000h to 8000h, and for a 48k game I have 40K a…
... need to care about the system variables if you're using BASIC ... interrupt mode 1? Otherwise, various system variables are still updated - the last ...Memory Available for 16k and 48kAm I right in thinking that if I am writing a 16k Game, I have 8k available for the machine code prog 6000h to 8000h, and for a 48k game I have 40K a…
Program sizeI am typing a basic program into a ZX and I need to find out exactly how much memory it is using. Is there a way to calculate this? :confused:
... prints the difference of the system variables PROG and VARS, pointing to ... the ZX BASIC manual, the variables follow the program immediately, this ...RGB values for Spectrum colorsDoes anybody know the true rgb color values for the spectrums 15 colors. I'll assume that black is 0,0,0 White is probably 255,255,255 But what are t…
... to peek the date from system variables.
[url="http://home ...RZX for Sabre WulfI was just about to send an RZX for Sabre Wulf to the RZX Archive when I noticed they don't accept Ultimate's (and other companies' who haven't given…
... that simply one of the system variables (if a machine code game ...How to transfer Tapes to Microcartridges??Hello All, I have a ton of Microcartridges, also about 10 totally unused, was wondering how I can transfer any games I have on tape to Microcartridg…
... spare memory for the extra System Variables let alone a 512 byte ...Reading the keyboardDoes anyone have a code sample to read the keyboard in machine code ?
... modes and fool with the system variables. Here's an alternative that ...Is the IY register used by the spectrum rom?Hi I've been writing a sprite routine and have noticed that the sprite data gets corrupted at some points. I have no idea why and can only guess tha…
The IY register points at the system variables usually. If you point it anywhere else, various bytes will be corrupted by the ISR as it alters some of the sytem variables (FRAMES for example)MemoryI am writing a game for the Spectrum and need to store a lot of map data. What is the lowest address I can start to store the data at ?
In theory: anywhere in RAM.
Realistically: just above the screen (assuming you don't need the system variables).MemoryI am writing a game for the Spectrum and need to store a lot of map data. What is the lowest address I can start to store the data at ?
... but was aware of the system variables around there. I wont be ...MemoryI am writing a game for the Spectrum and need to store a lot of map data. What is the lowest address I can start to store the data at ?
... />
You can overwrite the system variables as long as you're ...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…
... include all I can find: system variables, pokes, addresses of ROM routines ...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…
... 've added info about the system variables, a couple of addresses in ...
