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Pocket Clive - 2 QuestionsHello, I've just started using Pocket Clive on my iPaq pocket PC, excellent emulator BTW. 1. I have just wrote a small BASIC program to randomly pi…
... 3-byte FRAMES system variable is copied to the system variable SEED.
Otherwise ... /> Q. How often is the system variable FRAMES updated?
A ... . On a European system, the low order byte will ... -
ZX-PC InterfaceRight - i'm 34 and I cant take the pain of waiting for tapes to load any more - somethings gotta give ( either the tape deck or me ). I've seen a 'Z…
... could even use a new system variable (even NMI-ADDRESS) to make ... A GAME, ALTER SYSTEM VARIABLE, SAVE TO PC, SET SYSTEM VARIABLE GAME BACK, DO ... -
Emulator File types...SNA/TAP/TZX/Z80/ZXS All I knew about the Spectrum was how to play games on it, but since being introduced to pc emulations back in '97 I've always w…
... their random number generators using system variable FRAMES, whose value depends on ... -
128k Screen Flipping - Sample Code PleaseI know this has been covered before, but I cannot find out code to do the following: On a 128k Spectrum tell the speccy to display from address 4915…
... is to run, then the system variable at 5B5Ch (23388) must be ... the 128k editor and menu system; ROM 1 contains 48k BASIC ... -
New - BASin r13a is available for downloadHi all, Here's the latest BASin. Mostly just bugfixes, but also now has the upgraded UDG editor which can now edit multiple UDGs on one editing gri…
how to pass arguments from Basic to MC ?can someone explain me (or give some link) how to pass arguments from basic to machine code? i mean something like this: PRINT USR xxxxx, arg1, arg2:…
... address nnnnn, look up the system variable DEFADD. The value of your ...New - BASin r13a is available for downloadHi all, Here's the latest BASin. Mostly just bugfixes, but also now has the upgraded UDG editor which can now edit multiple UDGs on one editing gri…
ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…
... and update the timer in system variable FRAMES. Since 0x38 lies in ... ). Under normal operation the Basic System is in "im 1" mode ... constant rate.
[*] The Basic system's interrupt routine at 0x38 ...Restore Registers Returning to BASICI should really know this, but I've not written code that requires a return to BASIC for a loooong time. What registers need to be preserved / resto…
... /> And of course no certain system variable change .Restore Registers Returning to BASICI should really know this, but I've not written code that requires a return to BASIC for a loooong time. What registers need to be preserved / resto…
... to index to the FRAMES system variable (among other things).Restore Registers Returning to BASICI should really know this, but I've not written code that requires a return to BASIC for a loooong time. What registers need to be preserved / resto…
... to index to the FRAMES system variable (among other things).[/quote]
for a stupid: what?s NMI?erhm, yes, I?m not familiar with it... :rolleyes: I know the function of a hardware ?snapshot? button from Didaktik M/Kompakt, but I?m not familiar…
... that you could set a system variable and the Z80 would jump ... on an NMI, unless that system variable was zero, when nothing would ... the ROM, it ignores the variable if it is non-zero ...z88dkHello. I'm an spanish user of spectrum (and naturaly of this page). I have a question. I want to start to program games with z88dk, but I need a goo…
... getk() and fgetc_cons read the system variable LASTK for keyboard input. This ... write the key read to system variable LASTK. It also means that ... stored the last keypress in system variable LASTK. By executing in_GetKey() in ...CLEAR does not RESTORE the DATA pointer??According to the Spectrum manual, one of the things that a CLEAR command does RESTORE the DATA pointer. Either it doesn't actually do this, or some…
I compiled this list of ones that I had come across for css. However they are more an indication of last-minute changes than any poor standards. The book remains one of the best manuals ever.
The ZX81 manual had a minor error in the RND explanation ...Sinclair Basic Vs PascalWith the rise of the structured programming movement (Jackson et al) was it wise to put the Basic programming language into the Spectrum. By this ti…
Graphics in Basic??What is the fastest way to draw high rez graphics in Basic. Andrew.
... to go. There is a system variable that points at the start ... new start address into the system variable to select another bank of ... minus 256 into the appropriate system variable. This way you have access ...Graphics in Basic??What is the fastest way to draw high rez graphics in Basic. Andrew.
... to go. There is a system variable that points at the start ... new start address into the system variable to select another bank of ... minus 256 into the appropriate system variable. This way you have access ...Graphics in Basic??What is the fastest way to draw high rez graphics in Basic. Andrew.
... location and change the Chars system variable the UDGs do not change ...Graphics in Basic??What is the fastest way to draw high rez graphics in Basic. Andrew.
... location and change the Chars system variable the UDGs do not change ... different. CHARS variable (at 23606,23607) sets the system font location. UDG ...Ways to use double buffering in basicI was meddling with woody's print stream code where you can print characters at any pixel location on screen. I was playing with 12 sprites, very ann…
... significant byte of the FRAMES system variable for a change. It changes ...Rst #38This, as far as I know, is the ROM procedure that does the keyboard check. (and, at the same time, is what's being executed by interrupt in IM 1 mode…
... just rely on reading the system variable for results.Spectrum Basic InterpreterHello. I started this days a strange project: an interpreter of the Spectrum Basic that can run in a Spectrum. Here is a very preliminar version: […
... the usual in Spectrum, the system variable VARS point to the variables ... CP/M Plus the GSX system can be used, with drivers ...Little character trouble with BASinWell, I'm having some trouble loading fonts into the speccy with BASIC, using BASin r13 for an easier job. When I run code, such as this example... …
... then need to update the System Variable which points to the currently ... /> This is a 2 byte variable at 23606 & 23607. You ...Cybernoid editorSo, my long tern goal is to make my own Cybernoid or Rex like game (see an ancient thread about Sprite advice)...but my skills are somewhat lacking..…
... number held in the CHARS system variable. Then 8 bytes are read ...Total amount of memory on a Speccy ?I wonder............ The C64 (excuse me for saying that name in here. I'll hereby name it just "it") has 64k, while only 38k, or so, is available f…
... of it is used for system variables.
The frame ... for the attributes - 6912 bytes). System variable use is pretty trivial. This ...Will an interface 1 work with a +2?I don't want to break anything, can I bugger up the +2 by connecting an interface 1 and microdrive to it? Are they compatible? If they are, with no…
... uses the so called "unused" system variable 23681 which holds the high ...ZX81 - 64mb queryI know this is a spectrum forum but hopefully someone out there may know the answer to my question. I buy and sell old sinclairs and have sold numer…
I think I would have to say so, yes. Can you try some games on it to see if they work? Or, if you have the manual, see where RAMTOP is set (assuming the '81 has such a system variable)?Question about snapshot files....I've noticed that everytime I play "The Boss" (football management) it produces the same scores. I've played the first 5 games 3 or 4 times now and t…
... as the first seed the system variable FRAMES, whose initial value depends ... the seed in the FRAMES system variable. If it generates its own ...Du54I've tried using DU54 to write B:game.dsk to A: on +3. But none of the games work, are they all copy protected? On some I got error message "file to…
... motor off and updates the system variable to reflect that, so the ...
