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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…
... be sent to a string variable when the redirection function is ... routine address in the (CHANS) area to point to my 9 ... -
ZX-Paintbrush version 2.2 releasedDear readers, Today I released ZX-Paintbrush 2.2 with many new features. I hope you'll like it. Please refer to ZX-Paintbrush's section of my homepa…
... to draw within a selected area,
2) Discarding selections ... already have a 16x16 pixel area for all those fill ... thing, I created an internal variable called 'FAttributeHeight', which stores 1 ... now cannot change the attribute area...
On the other ... -
FOR 1 TO 0 - Execute "no times"?I checked a couple of basic variations, and generally a for loop executes at least once, even if you create a negative loop without step -1. But in s…
... is made in the program area, from the present point onwards ... NEXT followed by the correct variable." (Logan/O'Hara, p.96 ... -
FOR 1 TO 0 - Execute "no times"?I checked a couple of basic variations, and generally a for loop executes at least once, even if you create a negative loop without step -1. But in s…
... is made in the program area, from the present point onwards ... NEXT followed by the correct variable." (Logan/O'Hara, p.96 ... -
80x24 mode (Timex required)Hopefully Martijn will be adding this to the archive soon, but until then grab it here: [url]https://dl.dropbox.com/u/15659782/BASIC80.zip[/url] Th…
... in the ATTR-T system variable and SP is set to ... repeated in the full 64k area.[/quote]
It is fully ... -
40 Column Printing RoutineI've written a 40 column printing routine, which I'd like to share... It's my first piece of 'public' code so go easy on me! I don't think it is a…
... /> ; so look at the system variable PROG
dec hl ; move ... start of
; the channels area and the start of the ... -
smooth movement in basicWas trying to figure this out myself but i would like to be pointed in right direction now :-). How do I make something move in Basic without gettin…
... & y in PRINT position variable names it's generally better ... start somewhere within the play area, as starting at 0,0 ... -
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 !
... in the display & attributes area which can be used for ... re restricted to single-letter variable names as the technique involves ... defining a DEF FN variable list starting at 16384.< ... rather than number arrays. Keep variable names as short as possible ... -
SAVE writing zeros after program?Hi there! I hope this is the right forum, but I didn't find any other more appropriate... I'm trying to recover some very old tapes with stuff I mad…
... 's running the UDG system variable points somewhere between the beginning ... - ie. in the VARS variables area - then a CLEAR will reset ... 't work properly as the area between the error and the ... -
Use of saving arrays ?I was wondering did much software (cannot think of any of the top of my head) make use of the facilities to save and load arrays ? :) I had to check…
... database program that saved its variable set. I thought it saved ... the entire variable space, but it might have ... have saved the entire BASIC area, program, variables and all ... -
16k programmingHi all, If I want to code something for a 16k (or any spectrum) my understanding was that if I CLEAR below 24064 and put all the code above it up to…
... every byte in the 16K area with the ones in your ... file. More precisely, the system variable ERR_SP will have been changed ... -
pathfindingworking on pathfinding in the game. here is Russian description of Lee's algorithm: [url]http://algolist.manual.ru/games/wavealg.php[/url] "if-then"…
... examples of a grid with variable terrain costs, with few impassable ... * is, I suspect the analyzed area in A* will be even ... . Whenever A* finds a forest area or a small mountain, the ... small percentage of the total area. However, if the map is ... -
pathfindingworking on pathfinding in the game. here is Russian description of Lee's algorithm: [url]http://algolist.manual.ru/games/wavealg.php[/url] "if-then"…
... require an additional memory area of 24*32*2= ... some time to update this area whenever a position is ... thus using a temporary area of 4*100*2=800 ... 4. Therefore the total temporary area for A* in a ... above. The problem is, variable terrain is typically used in ... -
Relocation with SDCCI desperately need auto- relocation with SDCC. Something that will compile all of my code using start address 0 and generate relocation table so that…
... the top of the stack. Variable access is then done with ... better later. Frankly that whole area needs an overhaul - I just ... -
The right toolsAs i am going to pick up a hobby of fixing spectrums I wanted to know whats the right tools for the job. Like what wattage should the soldering iron …
... quality variable controlled soldering iron. In fact this is an area I ... -
20-column multicolour: a half-baked ideaI was writing an email reply to one Mr Jowett about multicolour routines, and in that way that explaining something to someone else makes you think "…
... the location of the multicolor area on screen. I prefer starting ... ]HALT[/B] may have a variable delay from 0 to 3 ... -
Full 16*16-digit BASIC multiplicationI liked Andre Adrian's 32-bit long multiplication routine so much that I decided to a decimal version. After all, 2^63 is only 9223372036854775808, a…
... inc hl ;skip over next variable letter
ret
... jp c,$1c2e ;2 - Variable not found
inc ... br /> ;16 bytes copy area
COPY: equ ... , DE=address in ANSWER area
push de
ZX spectrum 128K + 2 (Grey one :)Hi all, I'm trying to revive a dead ZX 128K +2 (the grey one). The regulator was damaged and seemed to be feeding 7.8Volts onto the pcb. Yikes ! I…
... do you have? Electronics bench variable voltage type with current limiting ... the load from the power area to ensure the -5/12V ...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…
... text bar with letters of variable width wouldn't be practical ... command to erase a certain area, that you can use just ...SE BasicAfter 13 years of development I thought I'd run out of things to optimize, but it turns out I was wrong. However, I'm now running out of time to work…
... buffer following the default screen area.
[*]ULAplus support: PALETTE 64 ... .
[*]Use reserved words as variable names during tokenization.
[*]User ... system variable space accessible via IY register ...SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... br /> inc de ; filename area
djnz sa_blank ; loop ...
inc de ; for variable name
inc de ; ... ; reclaim program and variables area
pop bc ; ... ; stack pointer to program area
push bc ; ...SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
...
pop de ; unstack variable pointer
pop bc ; ... /> pop bc ; unstack new area length
pop de ; ... unstack new area pointer
pop hl ; ... add new string to variables area
pop bc ; ...IF EXIST?In MS-DOS scripting, there is an IF EXIST command that lets you check wether a file exists in disk or not. There are any way to check it out from BA…
... size of a directory is variable (and may be quite large ... machine stack resides in this area (unless
the CLEAR command ...SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... , h ; statement in editing area?
jr z, line_new ... , -2 ; line in editing area
ld (ppc), hl ... points to location before editing area
ld a, ( ... call look_vars ; variable exists?
; THE 'VARIABLE IN ASSIGNMENT' ...SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... following location
rlca ; FOR variable?
jr c, f_l_and_s ; ... /> ld (mem), hl ; variable address to temporary memory area
fwait ; enter ... class_1 ; get entry for existing variable
call syntax_z ; checking ...
