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Microhobby's Pixel A Pixel compoI've recently found out that there's been a graphics competition Pixel A Pixel held by Microhobby magazine, thx to Ivanzx for pointing this out in on…
... ), one screen was about 95-96% of accuracy because of a ... manual will require the step-by-step procedure in a photoshop ... -
z88dk vs. sdccI've just read this article (in Spanish) [url]http://www.cpcmania.com/index2.asp?urldest=Docs/Programming/SDCC_vs_z88dk_Comparando_tama%F1o_y_velocid…
... and speed of binaries generated by z88dk and sdcc in an ... due to optimizing errors committed by Stef a while ago. They ... native 32-bit multiply and divide (it is emulated by several 16 ... -
z88dk vs. sdccI've just read this article (in Spanish) [url]http://www.cpcmania.com/index2.asp?urldest=Docs/Programming/SDCC_vs_z88dk_Comparando_tama%F1o_y_velocid…
... due to optimizing errors committed by Stef a while ago. They ... native 32-bit multiply and divide (it is emulated by several 16 ... it could have been benefited by faster generated code.
General purpose full screen input routineHi Folks, One of the things that annoyed me back in the 1980s with most BASICs was the lack of a full screen "formatted" input function. You could …
... /> [*]Ability to edit existing values by presetting i$
[*]Supports Alphanumeric ... =2 THEN IF i6>96 THEN IF i6General purpose full screen input routineHi Folks, One of the things that annoyed me back in the 1980s with most BASICs was the lack of a full screen "formatted" input function. You could …
... be referenced in the subroutine by the names used in the ... validation could be simplified by referencing a 96-byte table of values ...General purpose full screen input routineHi Folks, One of the things that annoyed me back in the 1980s with most BASICs was the lack of a full screen "formatted" input function. You could …
A 96-byte string v$ could hold ... more space than necessary (ie. by assigning it from DATA statements ... :
RETURN
101 DATA "...96 bytes validation table..."
....
General purpose full screen input routineHi Folks, One of the things that annoyed me back in the 1980s with most BASICs was the lack of a full screen "formatted" input function. You could …
... validation could be simplified by referencing a 96-byte table of values ...ISO-Copy - Individual Software revisitedHi folks In another thread about Supertape: [url]http://www.worldofspectrum.org/forums/showthread.php?t=36203[/url] ... we touched on ISO-Copy by th…
... we're doing, we could multiply our timings calculations for the ... regions where pulses are stable. By example, in the snapshot, I ... loading screen data) are compounded by miniblocks that are very difficult ...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…
... NEXT followed by the correct variable." (Logan/O'Hara, p.96, $1D64 ...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…
... NEXT followed by the correct variable." (Logan/O'Hara, p.96, $1D64 ...Good character sets ?Just wondering if anyone had any favourite character sets ? :) The one in SE basic is quite nice and I'm aware (I used to have it in my head I'm sur…
... of regular, italic, bold etc. by simply "loading" a different font ... variable, then a structure of 96 h*w bits for the ... from the standard set), just by displaying it on the screen ...The Euro 2012 England supporter's threadCome on in, grab a beer and try not to get too depressed. Let's take the time to enjoy the Euros now, cos we won't be enjoying it once they start! :…
... pass, we were awful. Euro 96 as per WC 1990, Gazza ... 98 a perfectly good goal by Sol Campbell being chalked off ...Multiply the value of 'a' by 5Is there a way of multiplying the value of 'a' by 5? I've tried 'add a,a' etc. but only get multiples of 2...
... and C
call multiply
; result is in ...
ret
multiply:
ld hl,0
by hand). it's just universal ...Spectrum Emulator that supports low resolutions and runs smoothlyHello to All, I have been trying to find a spectrum emulator that will work well through my CRT TV (using RGB to Scart) Most emulators seem to supp…
... border) in addition to the 96 pixels worth of horizontal blanking ... of the blanking period given by those values. I've not ...Multiply the value of 'a' by 5Is there a way of multiplying the value of 'a' by 5? I've tried 'add a,a' etc. but only get multiples of 2...
... ]non-looping constant-speed Z80 multiply code[/url][/QUOTE]
by a constant, you can look ...Multiply the value of 'a' by 5Is there a way of multiplying the value of 'a' by 5? I've tried 'add a,a' etc. but only get multiples of 2...
[QUOTE=jgharston;639359][URL="http://mdfs.net/Info/Comp/Z80/ProgTips/Multiply8"]non-looping constant-speed Z80 multiply code[/URL][/QUOTE]
Those are all powers of two multiplied by a constant, not powers of 3, 5, 7 etc.Changing the colour Atributes at y,x (+3e BASIC)Hello there my fellow WoS'ers I am currently writing away on my +3e and I am wonder is there a way I can just effect the Paper / Ink attributes at Y…
... need to multiply the PAPER colour (0-7) by 8 and add ...Spectrum Emulator that supports low resolutions and runs smoothlyHello to All, I have been trying to find a spectrum emulator that will work well through my CRT TV (using RGB to Scart) Most emulators seem to supp…
... border) in addition to the 96 pixels worth of horizontal blanking ... of the blanking period given by those values. I've not ...Work out attribute location in MCHow do I go about writing a MC routine which calculates the attribute address from a set of PRINT co-ordinates. I know you in basic you multiply the…
... in basic you multiply the vertical co-ord by 32 add the ...WibbleBibble's Basic threadHi in an attempt to keep my questions from spamming the forum. I think its better to put them all in one place. Thanks everyone so far, I feel I am …
... Extend mode is selected followed by an incorrect token or color ...PRINT a numerical value i.e. the scoreHow do you fo about printing a numerical value using the print routine in the ROM? For instance I have a value 0-255 and want to PRINT the result at…
You don't need to multiply anything. Just print two zeroes ... cheat on the division though by doing subtractions instead.A new ZX spectrum cloneOver the past 12 months i have been developing a new spectrum clone as a hobby project to waste my spare time on. It is still not fully complete yet …
... FSUB subtract
04 FMUL multiply
05 FDIV divide
by HL and DE respectively) and ...Random number from a rangeHow can I generate in assembly a random number from a range, let's say 0-21 or 0-57? There are generators which make it 0-255. By using bit masks I…
... it'd be easy to multiply that by your range, round to ...Random number from a rangeHow can I generate in assembly a random number from a range, let's say 0-21 or 0-57? There are generators which make it 0-255. By using bit masks I…
Well, i quite not understand why simply dont use
RND()*range.
Take 8bit(16bit) value as fixed point number in rangeRandom number from a rangeHow can I generate in assembly a random number from a range, let's say 0-21 or 0-57? There are generators which make it 0-255. By using bit masks I…
[QUOTE]Well, i quite not understand why simply dont use
RND()*range.
Take 8bit(16bit) value as fixed point number in rangeSpectrum30 Show in Cambridge, 08th-09th September 2012Hello Spectrum-fans, after many months of preparation we now proudly present what will be the biggest Spectrum venue of the last 20 years. We manage…
... obliging.
This is experienced by all, and I repeat ALL ... fond of these issues could multiply the number of border crossings ...BEEP / PLAY equivalentI'm so tired I can't even think of a proper title for this. Has anyone seen a table showing a comparison between BEEP notes durations and equivalent …
I've prepared a [url=http://www.atc.us.es/~rodriguj/play_2_beep.tap]small BASIC program[/url] so you can run some tests...
[code] 1 DATA 9,11,0,2,4,5,7
2 DIM s(7): RESTORE : FOR n=1 TO 7: READ a: LET s(n)=a: NEXT n
10 INPUT ...Frequency in KHz of the TV outputI recently acquired a very cheap USB analog TV tuner. When I connect it to the cable TV, it only finds two channels. But when I change the frequency …
... working. Pretty stable picture, maybe by changing a few KHz I ... better. Found it at 587.96 MHz. I also had played ...Fantasy Z80 instructions?This follows on from something catmeows said in another thread, and that I've been meaning to ask for a while. This may sound daft to people with mo…
... /> [CODE]Eight bit divide and multiply, DIV(L) and MUL(L ... , not just an enhanced 6809). By comparison, the Intel 8085 and ... in the book ?Inside Intel? by Tim Jackson - a recommended read ... , for all the reasons given by others, plus the need to ...
