-
Find-Fill-Copy functions for BASICThere's not much going on here, so here's three m/code routines to provide some data manipulation functions which are otherwise slow to do from BASIC…
... -or- FN f("z()","",find)
* fill array 'a' elements ... with value 'b'
. eg. FN f("z ... copy string 'c' to address 'a' then]
. copy ... 'l' bytes from address 'a' to address 'b' (may ... ...,pn],r1" or "DEF FN f(p1[,p2...,pn])= ... -
Memory move routine?Hi Folks, I have been searching for the thread that covers the memory move routine that uses a$=b$ via DEF FN. I thought it was written by Battle B…
... move routine that uses a$=b$ via DEF FN. I thought it was ... -
Overflow Detection while Scanning a Number from a StringI've got some strange behaviour from a subroutine that reads a number from a string and converts it to a 32-bit long. It's C's strtol if it helps to…
... a subroutine that reads a number from a string and converts it to a ... /> It's certainly true within a base system. Eg within base 2, if ... what about a representation of a base X number in a binary ... proving this:
Let a = the running total, b = ... -
handy method for passing m/c parametersI knew that a single number or string parameter could be passed to a m/c routine with either: [b]LET a=b+USR address[/b] puts b on the calculator st…
... the calculator stack, but with a bit of experimentation I found ... would be quicker than using a DEF/FN, as there's no need ... to search for the DEF every time, although it's ... & string parameters, for which a DEF FN would be better. -
Anyone up for a London meet this summer?I'm not sure how often you lot meet up, and I know there was an Oxford meet recently, but is anyone up for a meet in London this summer? I'm just th…
... , but is anyone up for a meet in London this summer ... Spectrums and other stuff over a beer or six... doesn't ... seems to be within a 50-mile radius of a few of us ... -
display file addressing; screen slicingWhile working on this Compendium I'm updating or rewriting a lot of stuff. One thing I eventually came to appreciate was the simple & clever way in w…
... m updating or rewriting a lot of stuff. One ... So I've done a little screen slicing program ... also because it's a bit easier to understand ... To move down the pixlines within a row, increment H. This ... a quicker BASIC version which minimised the number of function ... -
generating a pre-defined list in an un-defined sequenceI've decided to become a drunkard, to which end I've been drinking a whole bottle of beer in one day (whereas normally I'd make it last 2 or 3 days).…
... there such a thing as a function which will generate a list of ... values in a specified ... would specify a range of 22528->23295, call the function 768 ... in an undefined sequence, and a different sequence each time. ... -
TAPlist - the emulator versionI've got this working reasonably well; there's just a couple of small extra features which I want to add. (Recall that TAPlist writes a formatted lis…
... add. (Recall that TAPlist writes a formatted listing of the BASIC ... .) There's just one sma-a-a-all problem, in that I ... . These are a selection of commands in the range DEF FN (206) to ... additional indent (currently set for: DEF FN, LPRINT, DATA, REM, FOR, INPUT ... -
Decimal to Binary stringHi all, Anyone got a less labour intensive BASIC routine than this? Example:- take 170 and convert to a string "10101010" take 4 and convert to a s…
... all,
Anyone got a less labour intensive BASIC routine ... /> take 170 and convert to a string "10101010"
take 4 ... 's certain functions such as DEF FN which won't convert....so ... ]
# SUB - Binary string conversion, A=decimal input, s$ is the ... -
Creating a linked list in Z80[FONT=Calibri][SIZE=3]I am using a circular buffer to store tiles to be displayed on the screen. Tiles only appear for a set period of time, so when …
... =3]I am using a circular buffer to store ... screen. Tiles only appear for a set period of time, ... longer active I set a flag and that memory ... tile. I also have a function that moves through the buffer ... got me thinking about creating a linked list. Has anyone ... -
The history of ESXDOS, the DivMMC and the DivMMC EnJOY![img]http://benophetinternet.nl/hobby/divmmc_history/1%20esxdos.jpg[/img] These are the stories behind esxDOS, the most popular operating system e…
... Mouse Support
NMI Function button
Custom ROM ... mode from boot
NMI Function Software
- Debugger
... - Snapshot Function
Both HD and FD ... the boards arrived, and within a day the first interface was ... -
SeBASIC Updated to version 3.2 by aowen...SeBASIC has just received an update!... Version 3.2 is now available, but it'll cost ya!... Its only $5 USD, and can be downloaded from here:…
... MAY 2012
* Fixed a bug in DEF FN recursive functions (thanks to ... .
* ZXC3 version excludes the DEF FN fix, and moves the cursor ... support it - $5 USD is a steal... ;)
Included ... assembly for the rom and a plus2A TAP version that can ... -
Emulator with print function?Is there an emulator that can LLIST to a standard printer? Speccy does have a function to dump a graphical version to a text file, but it's a pain th…
Is there an emulator that can LLIST to a standard printer? Speccy does have a function to dump a graphical version to a text file, but it's a pain then getting that to print properly. -
Need the title of the Sinclair Basic manual to look for itI had a copy but I've lost the USB chip it was on! I need it to look up commands because some Basic programs I looked at all used the command MOD and…
... Applesoft Basic program that used DEF FN (A command I'm not familiar ... :-
10 DEF FN M(N) = ((A / N) - INT (A / N)) * N
A = 1 TO 100
30 LET O$ = ""
40 IF FN ... O$ = "FIZZ"
50 IF FN M(5) = 0 THEN O ... -
How to write a simple C+asm horizontal scrolling game (Tutorial, z88dk)[b]How to write a simple C/asm horizontal scrolling game[/b] [b]Note:[/b] This tutorial has multiple parts... I am still writing but this first pa…
... /> The first part is a function (function is just a different word for "subroutine ... " for this function for now. It means the function returns a 0 when ... .
The main function has a "while (1)" loop, which means ... -
A Family Man's Lament of Wifes, Family, Mother In Laws and New Cars.So after working tirelessly in the USA since my wife asked me to emigrate in 2013 our family has grown and the car I brought when we came (a Subaru F…
... brought when we came (a Subaru Forester) was too ...
I brought a 2 year old semi-luxury ... family, security, stability and a nice peaceful and spacious ... when I can but within a week its back to ... the bodywork will pick up a new mark.
TAP files for the TS 2068Hi, just recently bought a TS 2068 and found "Taper" on the web. Downloaded it and began to use it only to discover that it would not open TS 2068 fi…
... s incomplete ROM. It had a "function dispatcher" which would have allowed ... type of software was contained within the cart. "LROS" was ... special as it was a BASIC program contained within ROM.
within them. Your best bet ...Advice about drawing sprites on spectrum I've coded sprite drawing before and know all the theory about masks from a long time ago (microhobby rules! ;), but since I did it on Amiga with ha…
... and the background within a character cell to a buffer before copying ... for smooth scrollers this is a requirement. Your graphics routines ... , your game will only function on 128K machines. If ... also have a bankswitched display but at a different location ...Let a=val "1"I see some basic programs which use Let a=val "1" instead of let a=1 syntax. what is the difference between val "1" and 1? is it an effect of some …
Then it was used as a function to compute N times a string ???
FN A("HELLO",3) = "HELLOHELLOHELLO"
I just do it by heart, I need to find the article to see how it was used exactly.QuickBASICQuickBASIC Emulation: Is it possible to declare and pass global variables throughout a program along with confine a local variable to just a module-…
I have programmed a MC routine that made it ... .
I used the DEF FN routine for it as stated ...
