-
rotating HL left through CarryI've tried this several ways, and it works for a while, then a particular value has a bit set in an inconvenient place and it all goes to pot. Eg: "…
[QUOTE=AndyC;608915]100+ cycles? Tch! That's not even trying. The following does it in 70, if I'm not mistaken:
[/QUOTE]
Too funny. Thinking about RLD at the same time :) -
rotating HL left through CarryI've tried this several ways, and it works for a while, then a particular value has a bit set in an inconvenient place and it all goes to pot. Eg: "…
[QUOTE=AndyC;608915]100+ cycles? Tch! That's not even ... -
rotating HL left through CarryI've tried this several ways, and it works for a while, then a particular value has a bit set in an inconvenient place and it all goes to pot. Eg: "…
[QUOTE=AndyC;608915]100+ cycles? Tch! That's not even ... -
How many full time users of Linux on the forum?How many of you on WOS forum use Linux as a permanent OS replacement (excluding casual duel boot users who also duel boot Windows?). I use Linux Min…
... , meaning more head cleaning cycles. Head cleaning cycles = wasted ink as it ... -
Routine for clearing screenI was looking for a 'nice' way of clearing a screen of graphics in Z80. After a ridiculous amount of time mucking around, this is the best and most …
... for period 8191 (for 8 cycles of decreasing ink&paper ... -
Routine for clearing screenI was looking for a 'nice' way of clearing a screen of graphics in Z80. After a ridiculous amount of time mucking around, this is the best and most …
... for period 8191 (for 8 cycles of decreasing ink&paper ... -
Shadow registers.I assume it's faster to transfer the registers to the shadow registers rather than using the stack? Let's say that I want to temporarily preserve the…
Each exchange only takes four cycles - that's as fast as ... longer at 11 and 10 cycles each, assuming the memory isn ... instructions only add another four cycles to each instruction so sometimes ... -
Shadow registers.I assume it's faster to transfer the registers to the shadow registers rather than using the stack? Let's say that I want to temporarily preserve the…
... ]Each exchange only takes four cycles - that's as fast as ... longer at 11 and 10 cycles each, assuming the memory isn ... instructions only add another four cycles to each instruction so sometimes ... -
Hidden Spectrum emulator discovered in Goldeneye (N64)Commence ewgf's mind being blown in 3...2...1... [url]http://news.ycombinator.com/item?id=3770288[/url] [url]http://www.therwp.com/forums/showthread…
... emulation cycle lasts 69888 Spectrum cycles. Each opcode consumes a certain ... -
I am currently playing......Don't know if there's been a thread like this, but I can't find one.... Having seen all the different threads asking people if they've played such a…
... are random(ish...it randomly cycles through 5 different sets) making ... -
BorderTron 3000A little bit of speccy-related fun for a Friday afternoon... I've knocked together a program for Windows which I've called Bordertron 3000 (a suitabl…
... 0, 1, 2 or 3 cycles late. Add the one cycle ... -
BorderTron 3000A little bit of speccy-related fun for a Friday afternoon... I've knocked together a program for Windows which I've called Bordertron 3000 (a suitabl…
... 0, 1, 2 or 3 cycles late.[/QUOTE]
This ... -
BorderTron 3000A little bit of speccy-related fun for a Friday afternoon... I've knocked together a program for Windows which I've called Bordertron 3000 (a suitabl…
... work out the number of cycles for each code path and ... -
BorderTron 3000A little bit of speccy-related fun for a Friday afternoon... I've knocked together a program for Windows which I've called Bordertron 3000 (a suitabl…
... do is just over 100 cycles worth of writes to a ... -
Optimize this: Distance CalculationBased on a taylor series expansion, suggested by NA_TH_AN, I've got this so far, which is far far faster than SQR(X^2+y^2) Formula is: in a right an…
... ) compare[/QUOTE]
26 cycles vs about 88 but i ... -
BorderTron 3000A little bit of speccy-related fun for a Friday afternoon... I've knocked together a program for Windows which I've called Bordertron 3000 (a suitabl…
... the border effect, counting exact cycles the whole time. Scary! -
Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
... onto the bus while contended cycles were in effect (not needed ... -
The most powerful 8-bit machine, and CPU?Further to the discussion in: [url]http://www.worldofspectrum.org/forums/newreply.php?do=newreply&p=621787[/url] What actually is the best 8-bit ma…
... /> The basic instructions take 2 cycles. You can access the stack ... by 8-bit in 11 cycles. It has 16-bit registers ... -
The most powerful 8-bit machine, and CPU?Further to the discussion in: [url]http://www.worldofspectrum.org/forums/newreply.php?do=newreply&p=621787[/url] What actually is the best 8-bit ma…
... it does it in x cycles whereas this one does it ... in 2x cycles") because they don't realize ... -
The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…
... 312 lines x 224 cycles/line= 69888 cycles/frame. 128K machines have ... 311x228= 70908 cycles/frame. They have different ULAs ... -
The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…
... 312 lines x 224 cycles/line= 69888 cycles/frame. 128K machines have ... 311x228= 70908 cycles/frame. They have different ULAs ... -
What if there was no memory or space limitation?What if there was no memory or space limitation? We've had topics about the limitations of the Speccy's hardware, topics where we discussed how good …
... you. Nevertheless a short 20 cycles in RAM could get turned ... into 10000 cycles for a single decision on ... -
Spectrum30 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…
... worry about the odd 4 cycles a HALT could end on ... -
Toastrack problemMy toasty started behaving oddly last night. Basically typing random characters itself, I first noticed it when I had my divide+ plugged in and a con…
... 't suffer warming and cooling cycles. (Best bad joint I've ... -
Spectrum30 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…
... you run into the contended cycles it all lines up again ... -
Screen routinesHello. For my games I?m using the sprites routine method of a screen buffer and when I finish to print all the sprites I dump all the buffer in the …
... NOPs and takes exactly 32 cycles per loop. So it's ... -
PZX on WOS ?Is the PZX format accepted on WOS, at least for new production ? (Sorry, if this is wrong section, it looks to me as most suitable for the question.)
... it has a few extra cycles in a frame? Does a ... -
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 adds 50 or more cycles to library calls. As an ... -
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 adds 50 or more cycles to library calls. As an ...

