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Flood FillHi Folks, Can anyone point me to a flood fill that I can call from ZX BASIC? I have looked through the archive and although there are posts about…
... and indicates allowed stack usage (multiply value in BC by 3 ... -
Am I the only person who ever watched any of these kids TV gems?Whenever I ask people about Robostory, Zoom the Dolphin or that kids TV show where the funeral bloke turned into a monster made from seaweed, they lo…
... the narrator's voice saying "multiply and multiply". Eventually someone got it ... -
Function with push and popIm trying to see if I understand push and pop when it comes to using to pass parameters to functions: [code] LD HL,16384 LD A,5 Push AF Ld A…
[quote="slenkar;857988"]
So using IX and IY is a bit more generic and easy but has a size and speed penalty?
[/quote]
It is easy but it's not always slower nor is it always bigger. If you can't hold the current working set of ... -
So that's what's in the Colonel's secret recipe!http://www.bbc.co.uk/news/uk-england-36126788
... product. Not to mention they multiply if conditions are right... :( -
P.O.W.As far as I know, a port of P.O.W. (Prisoners of War) from NHK, doesn't exist. [img]https://cld.pt/dl/download/61d19b5e-453b-489c-b17b-d3ed6fccd594/…
... doesn't make sense to multiply these last two values, since ... -
ZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…
... load you miss 64 bytes. Multiply this by 3 for loading ... -
ZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…
... load you miss 64 bytes. Multiply this by 3 for loading ... -
Character Based SpritesHi, I'm working through Jonathan's excellent guide to writing games, and have mastered the animation of single UDGs. Before or move onto Pixel…
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…
... or '0,228' for 58368. Multiply the second number by 256 ...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…
... or '0,228' for 58368. Multiply the second number by 256 ...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…
... only add and subtract; not multiply. To multiply, you have to write ...Why doesnt this work???Simple piece of code wont do as it should, just want to fill the top 22 lines of screen with an attribute value (150) but it wont have any of it. Som…
... out to be that his multiply was self-modifying and he ... occasions where his main code multiply was interrupted, the main code ... multiply was screwed up by the ... interrupt routine multiply.
I do care ...Best place to start learning assembly on WOS ?So I'm pretty new at this forum but not the Speccy so my BASIC is pretty good. I can see lots of resources on WOS for doing machine code/assembly but…
... so first you have to multiply 120 by 256 before adding ...THE LIGHTBULB EFFECT You know what that is? Like how cartoonists depict a bright idea by drawing a lightbulb over the head? When I was trying to work out the lengt…
... size.
First you multiply the lengths of each piece ...THE LIGHTBULB EFFECT You know what that is? Like how cartoonists depict a bright idea by drawing a lightbulb over the head? When I was trying to work out the lengt…
... size.
First you multiply the lengths of each piece ...So where is the random number in the Speccy ?So I am messing around with ZX Spectrum Assembler and I want a random number. I looked up previous posts and one of the links said that random number…
... $28 ; FPCALC
defb $04 ; multiply
defb $38 ; end-calc ...my new old sheffield music site :)[url]http://sheffieldmusic.multiply.com[/url] the era between 1986 and 1996 in sheffield music mostly gets overlooked, my new site is to redress the…
even when i go to multiply.com it doesnt seem how i remember it lol, think its completely changed Oo"ZX80 Brain" RPN CalculatorIt is at times like [url=https://www.worldofspectrum.org/forums/discussion/54176/depression]when threads such as this are posted[/url] that I get the…
... PI by 2 (don't multiply by 0.5!), COS returns ...z80 Helper?When you are programming with z80 do you get 'lost' you are in the middle of making a routine and you can't remember which registers are holding val…
... .asm.m4#L34"]ideal 8x8 multiply by a constant[/url]. That ... need an inlined ideal 8x8 multiply" might be a candidate for ...how does this multiplication routine work?taken from chuntey wordpress: imul ld e,d ; HL = H * D ld a,h ; make accumulator first multiplier. ld …
... , it's quicker just to multiply the whole 8 bits rather ...how does this multiplication routine work?taken from chuntey wordpress: imul ld e,d ; HL = H * D ld a,h ; make accumulator first multiplier. ld …
... all the time when you multiply numbers together in base 10 ... each multiplication step is a multiply by 1 or 0, ie ...How to improve my program using oversized numbersI'd like my dice program to print out the number four times bigger than normal if possible. Anyone know how to do this? Or I could write a sub rou…
... the chip does is to multiply the number representing the vertical ...ZX Spectrum Z80 Development Environment on WindowsHi Folks, Just wondering what the recommendation is for a ZX Spectrum Z80 Development environment on Windows? Getting fed up with hand coding Z80…
... least non-ambiguous (just mentally multiply by 8 if the value ...ZX Spectrum Z80 Development Environment on WindowsHi Folks, Just wondering what the recommendation is for a ZX Spectrum Z80 Development environment on Windows? Getting fed up with hand coding Z80…
... least non-ambiguous (just mentally multiply by 8 if the value ...Speeding up PRINT code in ROMHi Folks, I seem to recall that someone stated the PRINT command is rather slow because it has to handle screen and printer printing - is this cor…
...
add hl, hl ; ... and multiply by 8
add hl ... first UDG
sla a ; Multiply by 8
sla a ... offset into upper nibble and multiply
rrca ; by 2
add hl, hl ; and multiply by 32
add hl ...HOWTO Best Pratice for formatting SD- / MMC-Cards and Image-Handling e.g. Tools for ResizeCould you please tell me your experiences with handling images of SD- and MMC-Memory-Cards for Emulation. I use Windows 10 32-Bit as PC-OS, but yo…
... table (get starting sector and multiply it by 512 to get ...A Neat Redefine Keys RoutinePreviously, I’ve only shared this routine with a couple of people via PM, but I’ve now decided to make it public. I optimized it for size, so it uses…
... reverse order - with an extra multiply by 2 for the case ...1k Chess (was the 924 bytes thing!)Hi, I've decided to do a major rewrite of large parts of the code for the isometric Chess thing that I've been messing with. It got to the point, …
