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more on storing mazesPrompted by Wookiee's escapades, I've been pondering on how to use DATA statements directly for displaying background graphics, thus avoiding the dup…
... DATA "n"
10 DEF FN p(a)=PEEK a+256 ... 1):
DEF FN g(v)=v-256*FN h(v): DEF FN h(v ... )=INT (v/256)
11 LET udg=FN p ... m: READ n$: LET datend=FN p(datadd):
LET m ... />
45 POKE defadd,FN g(udg): POKE defadd+1 ... -
Memory move routine?Hi Folks, I have been searching for the thread that covers the memory move routine that uses a$=b$ via DEF FN. I thought it was written by Battle B…
... that uses a$=b$ via DEF FN. I thought it was written ... -
simplest method to pass a string to m/code?The statement "RANDOMIZE numvar+USR mc" is a simple way of passing a single numeric parameter to a m/c routine, as mc can retrieve numvar from the to…
... be taken off again.
* DEF FN m(s$)=USR mc: LET ... bc=FN m(s$): whereby mc can ... string details from within the DEF FN statement using the DEFADD pointer ... -
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…
... is essentially treated as a DEF FN parameter) it can only be ... /> 2 DEF FN p(a)=PEEK a+256*PEEK (a+1): DEF FN g ... (v)=v-FN h(v)*256: DEF FN h(v ... S",CODE "$",14,0,FN g(sa),FN h(sa),0,0 ... are redirected)
DATA FN g(sa),FN h(sa):
... -
saving time populating large arraysI use a variation on this idea for storing machine code at the end of programs without interfering with LIST, then it occurred to me that it would al…
... 0*1 = 1813
2 DEF FN p(a)=PEEK a+256 ... br /> DEF FN g(v)=v-FN h(v)*256: DEF FN h(v ...
12 LET vars=FN p(23627)-alen:
POKE ... 23670,FN g(vars): POKE 23671,FN h(vars):
FN g(vars): POKE 23671,FN h(vars):
handy method for passing m/c parametersI knew that a single number or string parameter could be passed to a m/c routine with either: [b]LET a=b+USR address[/b] puts b on the calculator st…
... be quicker than using a DEF/FN, as there's no need ... to search for the DEF every time, although it's ... ; string parameters, for which a DEF FN would be better.IZX: a new standard format and driver for ZX-Spectrum icons[B]IZX[/B] is a very compact and efficient standard format to create icons for the ZX-Spectrum. You can download it from here: [LIST] [*][URL="http:…
... "IZX icons"CODE
20 DEF FN z(r,c,i)=USR ... this:
[CODE]FLASH FN z(5, 8, 16)[/CODE ...Full 16*16-digit BASIC multiplicationI liked Andre Adrian's 32-bit long multiplication routine so much that I decided to a decimal version. After all, 2^63 is only 9223372036854775808, a…
... [code]
3 DEF FN R(r$)=RR: DEF FN p(a)=PEEK a ... +256*PEEK (a+1):
DEF FN b$(r)="0000"(TO 4 ... $(G)+FN b$(K)+FN b$(H)+FN b$(L)+
FN b$(V)+FN ... b$(X)+FN ...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…
... :
[code]
2 DEF FN p(a)=PEEK a+256 ... a: PRINT :
LET ps=FN p(bytes+11): LET bs ... =FN p(bytes+15): LET vs= ... *PEEK a+PEEK (a+1);":";FN p(a+2); PAPER 7 ...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…
... of commands in the range DEF FN (206) to COPY (255) which ... 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…
... 's certain functions such as DEF FN which won't convert....so ...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 $5 USD, and can be downloaded from here:…
...
* Fixed a bug in DEF FN recursive functions (thanks to Miguel ... .
* ZXC3 version excludes the DEF FN fix, and moves the cursor ...Random-Access to Microdrive FileI am working on a BASIC program to backup a microdrive text-file to standard tape array-file. To backup a text-file from one microdrive to a secon…
... />
[code]
1 DEF FN p(a)=256*PEEK (a ... : REM DPEEK(a)
2 DEF FN m(n,d)=n-d ... br /> 3 DEF FN l(v)=v-256*FN h(v): DEF FN h(v ... 0
1311 DATA FN l(buf),FN h(buf)
... 1312 DATA FN l(512),FN h(512)
1313 ...Need the title of the Sinclair Basic manual to look for itI had a copy but I've lost the USB chip it was on! I need it to look up commands because some Basic programs I looked at all used the command MOD and…
... Applesoft Basic program that used DEF FN (A command I'm not ... for yourselves:-
10 DEF FN M(N) = ((A / N) - INT ... LET O$ = ""
40 IF FN M(3) = 0 THEN O ... $ = "FIZZ"
50 IF FN M(5) = 0 THEN O ...converting decimal into binaryso like the opposite of the bin function. in basic if possible. it only needs to be an 8 bit number. like a dec$ function?
so like the opposite of the bin function. in basic if possible. it only needs to be an 8 bit number. like a dec$ function?Compiling BasicI'm not good in compiling sinclair basic because i was 15 when i got my first spectrum, and it was the first computer i saw. I wasn't aware of compil…
It might even be done with a recursive DEF FN. I need to think of the code however.
Your program would be then
instead LET A=VAL A$
it will be LET A=FN V(A$)
and a DEF FN V(A$)= .... in the begin of the prog.Compiling BasicI'm not good in compiling sinclair basic because i was 15 when i got my first spectrum, and it was the first computer i saw. I wasn't aware of compil…
... be done with a recursive DEF FN. I need to think of ... (A$)
and a DEF FN V(A$)= .... in the begin ...Scrolling string variablesCan anyone help me with this for a program I'm writing on the spectrum. There was a command in speccy basic that would let you scroll a string variab…
... up from scratch by a DEF FN statement? Chaosmongers' solutions ... this:
10 DEF FN r$(a$)=a$(2 TO ... a$(1)
20 DEF FN l$(a$)=a$(LEN a ... br />
Hence, FN r$("ABCDEFG") returns BCDEFGA.
FN r$ or FN l$ repeatedly, printing ...VariablesVariable Help: Can BASIC discriminate between odd and even variables? If so, what simple syntax can express it?
... more versatile.
10 DEF FN m(x,y) = x - INT ... />
Example 1
PRINT FN m (5, 1.4)
Example 2
PRINT FN m (5, -1.4)
Example 3
PRINT FN m (-5, 1.4)
Example 4
PRINT FN m (-5, -1.4)
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 used the DEF FN routine for it as stated ...
