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SMAX - My Spectrum Killer App that never quite materialisedThis is basically a copy of my post to CSS, for anyone that doesn't read the group:- One or two of you may, if you have particularly good memories, …
... language constructs with macros, assigning space for variables et al - if you ... -
Reading the keyboardDoes anyone have a code sample to read the keyboard in machine code ?
... and fool with the system variables. Here's an alternative that ... defb ' ',255,'m','n','b' ; SPACE, SYM SHIFT, M, N, B ... defb ' ',255,'M','N','B' ; SPACE, SYM SHIFT, M, N, B ... J, H
defb ' ',255,'.',',','*' ; SPACE, SYM SHIFT, M, N, B ... -
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…
... to H
IN 32766 SPACE to B
* Reading ... ) with 0 (see the system variables section below).
By ... : Being a one indicates no space to be printed before the ... -
Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …
... caused by assuming that state (variables, input etc) will not change ... -
MCODER III - PSS softwareDoes anyone here have any instructions/documentation for PSS software's MCODER III compiler?
... block loads, it calculates space for tha variables and DATA statements, and ... . RUN or CLEAR destroy the variables and will make your program ... BASIC (just code, take appart variables) takes more than 18/20 ... -
udg collision detectionhow do I detect a collision between udgs in basic?
... a screen of mostly empty space, then the UDG will reveal ... itself by *not* producing a space.
However, testing for ... a look at the System Variables CHARS entry for more details ... -
ANNOUNCE: BASin Release 12 ready for downloadWell, after a rather large break, BASin's latest incarnation is ready for public use. Probably. BASin is a Sinclair Spectrum development environme…
... dump, along with the UDGs space."
And worded slightly ... in BASin, the BASIC program, variables, and user-defined graphics are ... -
Key press to ASCII valueI need a bit of code that will give me an ASCII value when the key is pressed. I only really need a-z. I tried using the following code but it only s…
... />
;
; Global Static Variables
;
.SPkeydebounce< ... ' ',255,'m','n','b' ; SPACE, SYM SHIFT, M, N, B ... ' ',255,'M','N','B' ; SPACE, SYM SHIFT, M, N, B ... H
defb ' ',255,'.',',','*' ; SPACE, SYM SHIFT, M, N, B ... -
screen$I'm wanting to create a game which is written mostly is Basic, due to lack of MC skills but i need a MC routine if someone would kindly supply it I…
... some space in memory for the BASIC program and system variables. As ... -
Speed of variables vs. POKE/PEEKGreetings, I'm sure I could probably find this out after careful study of the 48K ROM disassembly, but I was wondering whether someone already knew …
... I guess that, given the space and time restrictions involved in ... ten or so and less variables. Most programs will have more ... your ten most commonly used variables first, your average variable lookup ... -
Turbo Imploder Anyone clued up on how to use this ? I've managed to pack a few of my own games, but I notice the default start address is always 24576, can you go…
... the system variables to power up values and reclaim some space. You ... -
TLOTRD - compiling problemsOk guys! A new demo for 'The Legend Of The Red Dragon' is nearly finished (just need my bro to draw some artwork as I'm using sample images from the …
... the system variables onwards to the end of VARS space.
variables are all set up to ... /> If you edit the system variables so that a BREAK or ... -
Lesser used BASIC commandsAre there any interesting articles or books that explore some of the lesser used BASIC commands/functions e.g. DEF FN, IN, OUT etc? The Spectrum BAS…
... holds the BASIC ROM, system variables, etc. while the I/O ... result.
Each of the variables used in the definition must ... PRINT ?THE CUBE OF(space)?;N;?(space)IS(space)?;B
Associated ... -
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…
... up 8k of code space. If you wanted to ... lost 8k of program space. Imagine what happens if ... don't have much space left for the actual ... In C, functions (and variables) can be declared "extern" ... be resolved.
Variables can similarly be declared extern ... -
What should be the base address to set for my codeHi, I am new here and I have a simple question but one which I have not found an answer to. When I am developming my programs what should I set th…
... code? Remember that BASIC and Variables climb up the memory model ... in memory to maximise free space. If you're not using ... -
What should be the base address to set for my codeHi, I am new here and I have a simple question but one which I have not found an answer to. When I am developming my programs what should I set th…
... is thereby limited to the space below 32768.
When your ... big (or uses to many variables) the Spectrum will
give ... -
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…
... is compiled. The customization variables determine the display width, ... in the 256x256 rectangular logical space that SP1 always uses. ... operate in the logical coordinate space where (0,0) ... the same rectangular logical coordinate space. When sprites move into ... -
Lesser used BASIC commandsAre there any interesting articles or books that explore some of the lesser used BASIC commands/functions e.g. DEF FN, IN, OUT etc? The Spectrum BAS…
... so of memory reserved for variables and a buffer whose size ... uspeech's memory mapped variable space. Here's an [URL="http ... -
Lesser used BASIC commandsAre there any interesting articles or books that explore some of the lesser used BASIC commands/functions e.g. DEF FN, IN, OUT etc? The Spectrum BAS…
... so of memory reserved for variables and a buffer whose size ... uspeech's memory mapped variable space. Here's an [URL="http ... -
In Machine Code, what is the quickest way to sort bytes?I am playing around with some ordering of sprites, where I want to order them by vertical position. I used some Rodnay Zaks code to order some bytes…
In Machine Code, what is the quickest way to sort bytes?I am playing around with some ordering of sprites, where I want to order them by vertical position. I used some Rodnay Zaks code to order some bytes…
... no extra space aside for some pointers and swap variables.
... machines is that it is space efficient. The sorting takes ... small cpus with 64k address space.
[quote]
... comparisons and swaps (and sometimes space overhead) but they never ...The Only Reason Sinclair Succeeded (Provoking Controversy)Although I love my Sinclairs dearly, I think that the only reason they succeeded was because at the time most people did not know any better (factori…
... to set aside so much space in the 128K of RAM ... printer buffer and the system variables in BASIC, but they could ...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…
... did. There was also the space problem, with a small memory ... functions needed local variables, which take up stack space which in turn ...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…
... we can spare lot of space with making program so that ... requires to pass lot of variables, what means long lines and ...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…
... programming concepts like looping, functions, variables and scope, etc) and after ... and ideas about speed and space efficiency. I just don't ...Which would be fasterSay you want to use a variable value of 0 to 255 in a BASIC program, which way would be fastest? Say for arguments sake you wanted to use two variabl…
... operations
1) normal variables (for example nnn, where nnn ... calculator stack. This does waste space though and leads to larger ...
VAL is a good space saving measure but, like the ... is similarly useful for saving space, but the division makes ...Small C on Sam help neededI'm trying to make good on some of my old developments that fell by the wayside and one of them uses Small C. The reason I stopped was down to not h…
... Sam) where the entire memory space can be linearized in 24 ... uses IX to index local variables for cases where there are ...Looking for a Windows based Z80 compilerCan anybody recommend a windows XP based Z80 compiler that lets you export your code as a Z80 snapshot or TZX or TAP file? If not, what is the best …
... is needed to separate static variables from the code generated in ... the dealing with > 64k space is not handled well by ...Looking for a Windows based Z80 compilerCan anybody recommend a windows XP based Z80 compiler that lets you export your code as a Z80 snapshot or TZX or TAP file? If not, what is the best …
... is needed to separate static variables from the code generated in ... the dealing with > 64k space is not handled well by ...
