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Writing faster BASICIn terms of structuring BASIC programs, what are the best ways allocate variables, functions, arrays? Any tips. I remember INPUT mag had some suggest…
... are placed near the start of the program.
Also, ... check the line number and length of every preceding line, whereas ... practical and consistent with the program logic, as this will ... start of the program as possible.
For timings in BASIC ... -
Graphics questionHello. I was wondering, does anybody here know of a method to display a large (as in, the better part of the screen) bitmap/raster image using ZX Sp…
... , to copy lines of assembler from a BASIC program into an array. There ... examples in the QuickCopy section of my [url=http://www.users ... to address any contiguous area of memory as though it was ... +5,PEEK 23671:
RANDOMIZE length : POKE da+6,PEEK 23670 ... -
Get rid of 'Bytes:' when loading codeHow do you hide the 'Bytes:' when loading code? I've tried saving as CHR$ 22 + CHR$ 6+ CHR$ 0 (a blank part of the loading screen) but it still appe…
... I remember of this back '86
your basic program has
then save your basic loader, then your screen$ as ... />
then save your block of machine code with
save ... +chr$0+"Bytes:"code start,length -
Binary to REMHi, I'd like to convert binary data stored on tape into BASIC rem statements that I will then save to disk. Is there a utility to extract the files …
... REM of a given length into a BASIC program" there's a line of BASIC which ... -
Binary to REMHi, I'd like to convert binary data stored on tape into BASIC rem statements that I will then save to disk. Is there a utility to extract the files …
... REM of a given length into a BASIC program" there's a line of BASIC which ... -
Help with File Compressor by Mladen PopovicHi, I'm trying to compress BombJack (MCM) and transfer it to a +3 disk (Yes I own the original game :) ). I'm unsure about the addresses to enter in…
... code to be loaded by basic program
; Use ZX Blockeditor ... line 1.
length: equ end_dec40-begin
dw length-4 ; line length
db $f9,$c0 ... br /> ld bc,end_dec40-dec40 ; length of packer
ldir ; do it ... -
Turbo save?I'm doing some experiments with turbo loaders, and I don't know how to save turbo blocks on virtual tapes. Spectaculator and fuse don't seem to save…
... -bit pulse length of 855 and a 1-bit length of 1710. < ... deleted except the block of code you were originally ... to work because it's BASIC (even though it's ... block of code to turbo (there's also some program ... data and variables) - if it was just a block of ... -
INPUT help?Hi folks. :) Brace yourselves, this is probably a very silly question, my BASIC knowledge is very... well, basic... Let's say, for example, I'm mak…
... way to restrict the size of a numeric field is ...
... which will restrict the output length to 4 without any explicit ... happen to match the name of a variable). The DIM only ... anything other than a maximum of four digits 0-9 ...
IF1Bis problems. The Edge of the Spectrum...Advice is sought from the learned on WoS. I just bought an Interface 1Bis from sunny South Africa. It arrived fast, but unfortunately doesn't work.…
... length, loading address, length of program (size less variables) and starting line for Basic ... /> -----------------------------------------------
0 P BASIC program ZZP
1 N Number ... Code)
5-6 Length of program only (Program)
Array name ( ...dumping protected BASIC loadersI wrote this a few weeks ago but forgot to post it. It will load & list from tape/TAP/TZX any BASIC program which has been saved with SAVE, including…
... length in the program header block must match the size of the following program ... the only length which is believed. The individual BASIC line lengths ... not there. Load the program header block and get some ... info. Load the program data block at 'bytes'. ...quick RAM copy using LET in BASICI'm in the process of reviewing, revising and refining all the programming tips & utility routines which I've posted on this forum over the last eigh…
... pourri/txt2emu.zip]TXT2Emu[/url] program for loading listings; it uses ... Enter the [b]exact[/b] length of the listing file; this can ... file is loaded as a BASIC program into the emulator.
[*] ... zero when prompted for the length.
NOTE: TXT2Emu ...DivMMC EnJOY! v2014.1Teaser: [url]http://www.youtube.com/watch?v=ea036HH25f8[/url] This is the board version that is designed for the custom case which is worked on at t…
... mention,
are there because of good reasons, and some con ... than all my classic ways of storage and
snapshotting. ... , compared to the
interfaces length:
[IMG]http://www.wpi ... , just to show the easy BASIC program that steers the
led ...FUSE serial communication sample anyone?Hi, in [URL="http://manpages.ubuntu.com/manpages/precise/man1/fuse.1.html"]FUSE man pages[/URL] one finds switches for serial comms. By using --inte…
... /> }[/CODE]
I then wrote program to load screen.
[CODE ... /> }
/* back to basic */
return 0;
}[/CODE ... cat command itself limits the length of text.
But ... I receive a screen full of garbage. (I double-tested ...Currah ?Speech channelIt seems to me that it would be nice to be able to send words to the ?Speech with PRINT #5;"Speak English to me, Jimmy" or some such. There really i…
... ()[/URL]. There's a bunch of basic interface code in z88dk that ... .
However, interfacing with basic like this requires all the ... RAMTOP below the m/c program and make sure C/asm ... converted to a pause of the appropriate length. I haven't bothered ...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. …
... LET holds each stage of that construction in memory ... so it needs the final length all over again, then ... if m$ has accumulated a length of, say, 224 bytes, the ... why my program is giving an "Out of memory" error ... have 2800 bytes free for BASIC.
Once ...analysing program variable usageIf I wanted to count the number of times each variable is referenced while a program is running (not the number of times each variable is referenced …
... 64000, a program with an average variable name length of say 5 characters ... "
at the start of the BASIC program to be analysed, change the ... RUN the BASIC program, making sure to access all of the BASIC program's features ...LOAD "" CODE in machine code/store 128 bank dataHow do you LOAD "" CODE from machine code? I have written the following MC routine that fits into a REM statement in a basic program. I want to cal…
... a REM statement in a basic program.
I want to ... fancy headerless loaders, just the basic function.
How do ... put the loaded 16K worth of 128 code in bank 6 ... ix,screen
ld de,length
call load_routine
[/B ...FZX: a new standard format and driver for proportional fonts[B]FZX[/B] is a very compact and efficient (although extremely flexible and powerful) standard format to create new fonts for the ZX-Spectrum. It sup…
... write justification functions (in this program, fzx_write_justified()). If the input ... meaning none of it can fit. This program then falls back ... that will choose the maximum length of this word to print ... neat to write a basic e-reader program when the disk ...Utility to create long REM Line for storing M/C program - Maximum BASIC Line LengthHi, I think there was a Utlity or Toolkit to create a long REM-Line under 48k BASIC to store some MCode in it. So I don´t have to type e.g. 5…
... and replace the auto run Program Data in a tap file ... to the basic program and resave to tape.
[code]
length: equ ... :
[/code]
Example of this method used on one ... of my custom loaders. The only difference is the basic line ...Help needed with MIA software with custom (?) loaderHi, I've got into my hands recently a bunch of Polish educational software which are unknown MIA on WOS. I believe they are protected with some…
... 0x5B79 AND C0 ; actual 'end of program'.(ROM)
0x5B7B LD A ... HL) ; after the end of the program(ROM)
0x5B8E RET ... the 'length'(ROM)
0x5B9C LD E(HL) ; of the ... ; REPORT-C - Nonsense in BASIC (ROM)
;Handle CLEAR< ...Optimized (in size) Z80 simulatorI am evaluating Z80 simulators to try to create a tool to analyse z80 programs. I'd like to start with a simple register coverage tool and t-state cy…
... a table of variables at the start of my program and never ... to visualise (since the length of each instruction becomes variable)
program uses pre-set IX value (for example, from Basic). ... having the complete graph of your program. It is true that ...Where does the BASIC program sit 48K Spectrum memory?Hi there First post so be gentle, I've had a spectrum since the 80's and have recently started programming it for fun again. I wrote the followin…
... lowest 16k from the end of ROM is slow because it ... ? How can you calculate the length in bytes of your BASIC program ?Akalabeth gamei found now that someone ported an ansi-basic game (coded in 1979?) to msx-basic - what about a zx-spectrum basic version of it? ;) https://plus.goo…
... method I suggested above. The BASIC is not optimised but rather ...Welcome to the Matrix!Ok here's something I been playing with while I'm at work and on public transport. I'm thinking I want to be able to move the large letters around th…
... line in a BASIC program uses a minimum of five-bytes ( ... two for line number, two for line length ... and a CR at the end) plus the contents of ... literal number in a program uses six-bytes (one ... re starting out in BASIC; since it makes readability ...How to get more than 21 UDG's in BASIC?So with graphics mode under the G cursor how many UDG's can you do from BASIC is it 21? It's all POKE 65368 and above and it's sequential ABCD.... an…
... /> Will save an arbitrary section of memory to tape and:
length, it will load it at ... font onto tape after the BASIC program, you can load the font ... and then run the rest of your program.
This [url ...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 …
... this kind of string manipulation in ASM / BASIC before on ... />
Setting the value of basic string variables can be done ... /blob/master/libsrc/spectrum/basic/zx_setstr_callee.asm"]zx_set_str()[/url] ... that length when writing to it in the C program, all ...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…
... it different from any “unprotected” program? Any tape copier will easily ... can load a header in BASIC and then PEEK the relevant ... find out the start address/length of each data block.
BASIC or using the MERGE command ...
