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Back to BASIC[U][B]Archaeology guide to programs compiled used MCODERII.d[/B][/U] After various people have been talking about "Frank'n'stein" I decided to finis…
... converting the code back to BASIC much easier.
... will notice there is some BASIC source code between addresses ... compiled code (not the original BASIC address). There are 2 ... +4 = absolute maximum length of string
[/LIST]
Additional ... -
Calculating free memory...Hi Folks, I am using the following method to calculate the amount of free memory available to BASIC: [CODE]PRINT 65536-USR 7962[/CODE] Is this the…
Hi Folks,
I am using the following method to calculate the amount of free memory available to BASIC:
[CODE]PRINT 65536-USR 7962[/CODE]
Is this the recommended approach?
Many thanks
Paddy -
Which BASIC commands/functions affect FRAMES?Hi Folks, Does someone have a definitive list of BASIC commands/functions that affect the FRAMES counter? The list I have so far: BEEP CAT (thanks…
... have a definitive list of BASIC commands/functions that affect the ...
CAT (thanks Nathan)
COPY
ERASE (thanks BB)
A standard emulator "hardware" for console outputAlmost every day, I want to copy text from zx spectrum format, yet, without peeking in the memory spending a lot of time, or typing it by hand, it is…
... copy text from zx spectrum format, yet, without peeking in the memory ... ? How to communicate it from basic, or m/c? Maybe it ...Kiwi OS for z80 computerHi everyone, Nearly made my z80 computer with 2K ROM 32K RAM. It has an OS im still writing called Kiwi (apple, blackberry, you get the idea ;D) he…
... br /> ;*********************************
;(MULTIPLY) BASIC MULTIPLICATION
;> A ... ;*********************************
;(DIVIDE) BASIC DIVISION REG A/B
STRING LOCATION
CALL ... save to I2C memory for removable storage)< ...checking bits in BASICThe question of manipulating bit patterns in BASIC was raised recently in this [thread=35728]Keys redefine routine and key check[/thread] thread. I s…
... of manipulating bit patterns in BASIC was raised recently in this ... for ease of handling from BASIC, with a little loop to ... a binary number in a string, and also a method using ... binary digit character strings in BASIC for bit manipulation, but the ...hisoft basic compiler - saveAnd yet another question. I'm sure spamming forums a lot hehe :) Is there anyone expirienced with hisoft basic compiler? I'm working on small program…
... there anyone expirienced with hisoft basic compiler?
I'm working ... instead of four (much more memory efficient, too :) and now i ... save it.
Unfortunately hisoft basic will not compile save command ...saving part of a BASIC programHere's a short routine to save part of a BASIC program. The idea is that it can be merged into a program and then used to save sub-routines, etc. to …
... to save part of a BASIC program. The idea is that ... of a slow version of copy & paste. The two line ...BASIC menus for PlusD discsIs it possible to use BASIC to code custom autoloader menus for PlusD discs? For instance, I can make a disc copy of Dizzy Collection and could make…
Is it possible to use BASIC to code custom autoloader menus for PlusD discs?
For instance, I can make a disc copy of Dizzy Collection and could make a menu to load the programs..
How feasable would it be?
Thanks.How to join 2 basic programs? having no luck with basinHow do you join two programs together to save writing it up again. Here's my problem... I'm trying to add pictures I have made to a basic text base…
... I have made to a basic text based game i am ... code into an assembler and copy and paste. What methods do ...Indirect Variable AssignmentHere's another wacky routine. This allows assignment of values to variables where the source & destination variables can themselves be defined in var…
... evaluated in advance by the BASIC interpreter; choosing whether or ... "Parameter error" or "Nonsense in BASIC".
It works ... own for assigning values to BASIC variables from machine code. ... ;evaluating to a (number or string) variable name.
;The ...SpecBAS 0.718 Now AvailableHi Folks! After an appreciable delay, the latest and (dare I say it?) greatest SpecBAS update is now available. We're moving into modern times with …
... information is stored inside a string variable, it can be ... Bugs Fixed:
BANK COPY didn't work for extended ... copy operations.
Mouse button ... defaultvalue]) creates a structure in memory. These can be assigned to ...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…
... is that it uses more memory (obviously), but I find that ... uchar backwalls[];
// Memory to define the background.
What is the (hypothetically) largest 9999 lines BASIC program possible?If the Speccy had infinite amounts of memory, what is the largest 9999 line BASIC program that could be made? (in K and amount of instructions) (Yet…
... amounts of memory, what is the largest 9999 line BASIC program that ...editing strings with INPUT LINEHere's the latest in my unpredictable series of utility routines. This one I needed for the SAGE game editor; it emulates INPUT LINE l$ but with the …
... string).
The vertical cursor enhancement from "joining lines of BASIC ... /> jr z,NOTEXT
ldir ;copy l$ to INPUT workspace
res 6,(iy+$37) ;FLAGX: "string result"
set 5,(iy ...stuck on recursive functionI want this function to PEEK 'l' bytes from memory starting at 's' and return them as a string, but however much I fiddle about with quoting and pare…
... from memory starting at 's' and return them as a string, but ... get either "Out of memory" or "Nonsense in BASIC". How can I ...Byte-order backbufferThis is a tool for Z80 coders who wish the Spectrum screen had a serial layout. It runs as an interrupt mode 2 service routine and uses POP and PUSH …
... Spectrum screen order and copy it as fast as
possible. ... smidgen faster but then the copy code would
have ... interrupts
ret ; return to BASIC
org 0xc39a< ...
jp 56 ; exit via BASIC interrupt handler
blit ...Screen2StringFurther to writing that BASIC one-liner to redirect CAT to a string I thought that I'd do a general redirection routine for anything which normally p…
... that BASIC one-liner to redirect CAT to a string I ... did it all in BASIC but it was a ... bytes being occupied by the string definition, pointer & ... it either copy it to a regular string or do ... br /> REM sa=string address; sl=string length; sd=DEFADD ...How to create .TAP that loads into high memory banks?I want to create a program that uses the extended 128k memory, the banks that can be switched into the 0xc000-0xffff area. For the simple stuff I've…
... that uses the extended 128k memory, the banks that can be ... .3 with the -b (add basic loader command) and voila, a ...WibbleBibble's Basic threadHi in an attempt to keep my questions from spamming the forum. I think its better to put them all in one place. Thanks everyone so far, I feel I am …
Hi in an attempt to keep my questions from spamming the forum. I think its better to put them all in one place.
Thanks everyone so far, I feel I am making good progress.
Reading the book ZX Spectrum Games Master. Its a great start ...TESTROM3 - utility/rom for test your ZXHere is TESTROM3 utility as 16kB ROM file + flasher for install this rom to divide eeprom (or mapram mode). Work also on ZX Spectrum without ROM and …
... - utility for test your ZX memory
==========================================
Testrom3 ... (48 basic with enable 128kB ram)
TEST 128kB MEMORY
=============
Test only fast ram memory (32768-65535). During test show ...How much memory on sprites, maps etc.I've been tinkering with shifting & pre-shifting sprites recently, but as I haven't had that much experience with Z80 assembly I sometimes find it ha…
... too much" as far as memory allocation is concerned.
string' question, but I'd be ... types tend to pre-allocate memory for different aspects of a ...Everdrive 64 (N64 backup device)Since I can't get N64 emulation to work right (unlike every other machine I try to emulate, why is N64 emulation still so riddled with incompatibilit…
... it can't back up (copy) your cartridges to a PC ... that encodes them across uneven memory addresses (or page boundaries, or ... listed, as they sell out fast). For more information see:
A Miscellany of Dangerous TipsHere's a selection of ideas for using some of the more obscure system variables which I've found handy on occasion. They can be very convenient if us…
... are not otherwise possible from BASIC alone.
... BASIC (Jan)
* more on storing mazes (Feb)
* Poking a string ... to memory... (Mar)
* Keyboard ... /> * enhanced GOSUB/GOTO (in BASIC) (May)
* How much ...The Hobbit, Empire, and an interviewHi all, I've got a little article on the making of The Hobbit in the latest issue of Empire magazine (we've run a huge feature on the film). I inte…
... also thought that packaging a copy of the book with the ... 42k available after the video memory was taken into consideration?[/B ... to be written in interpreted Basic, with all possible actions hard ...More memoryHi all... can anyone help, Is it possible to get more memory for basic pref' in Basin.... 40 odd k is just not enough !
Hi all... can anyone help,
Is it possible to get more memory for basic
pref' in Basin.... 40 odd k is just not enough !Elliptical ChallengeSubsequent to the recent "Graph Plot" thread, I wrote this general purpose ellipse drawing routine which will plot (although it doesn't actually use …
... this version is twice as fast as the last version I ... ix ;IX=address of parameter string
ld a,(ix+2 ... /> ld bc,20
ldir ;copy 0.5,b,1,a2 ...Questions about BasicHi everyone, I am Max, student of media studies in berlin, and I have to do a little project on the spectrum. I am working on a sinclair zx spectrum…
... and we are basicly learning basic BASIC programming in order to get ... questions, examples for differences in basic language. Maybe you can give ... value of a integer or string, I don't know what ... like DEG and RAD in Basic...
5. finally, playing ...Interview with Clive Townsend (Saboteur)Here you have at [URL="http://www.elmundodelspectrum.com"]www.elmundodelspectrum.com[/URL] this exclusive interview with Clive Townsend. Don?t forget…
... I started writing games in BASIC...
[I]P- How ... get the backgrouds to scroll fast enough. Rob White suggested I ... an actual Spectrum. So in memory I had the source code ... of speed, graphical quality, and memory constraints. The trick is to ...Checking for '+2e/+3e' ROMs via Sinclair BASICHi guys, I have a Spectrum +2A containing the '+e' ROMs (and a nice internal IDE interface with a CF card adaptor on it :) ) - If you are unsure wha…
... (written in +3 BASIC) to manage the memory card (so I don ... ?
Is there a memory address I can PEEK that ...
