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Features that emulators don't haveI believe most of us use more than one emulator, mainly because there isn't one emulator that has all the features we need or want to use. We also kn…
... glitches, etc.
[QUOTE]T-States counting next to each opcode ... -
Features that emulators don't haveI believe most of us use more than one emulator, mainly because there isn't one emulator that has all the features we need or want to use. We also kn…
Last time I tried, Sun's cc [i]really[/i] didn't like Fuse's main switch() statement and ate lots (>4Gb!) of RAM trying to optimise it. This was a few years ago, though. -
FuseX on the Xbox :releases, testing and feedbackI'm creating a new thread here to continue on from the thread about emulators on the Xbox ([url="http://www.worldofspectrum.org/forums/viewtopic.php…
... know if I haven't. ;)
The FUSE code it is ... project.
I haven't yet released the code to ... and not a port of Fuse itself. -
SpeedloadersSince I read Lee Tonks' post about the speedloaded version of MM3 he did, I've been playing around with various speedload routines I found on TTFn & …
... =Dr BEEP;51282]Why shouldn't it not run in the ... way. Spent hours checking my T-State counts and eventually it ... /> Does anyone know how many T-States the ULA spends holding onto ... -
SpeedloadersSince I read Lee Tonks' post about the speedloaded version of MM3 he did, I've been playing around with various speedload routines I found on TTFn & …
... ]Does anyone know how many T-States the ULA spends holding onto ... -
Running code from the display memory?Is it possible to run machine code from the memory area used by the display file? If you were really out of memory and some part of screen is not u…
... the border (the first ~14000 t-states from an interrupt), it will ... -
Running code from the display memory?Is it possible to run machine code from the memory area used by the display file? If you were really out of memory and some part of screen is not u…
... the border (the first ~14000 t-states from an interrupt), it will ... />
BUT, all this desn't apply to +2A,+3, where ... -
Comments for small "sprite" routine wantedI have just written my first machine code program and I am quite happy (and proud) to get it working! :smile: As a child I never learned anything e…
If you don't have that many different characters ... will shave off a few T-states. You'll want your sprite ... -
Comments for small "sprite" routine wantedI have just written my first machine code program and I am quite happy (and proud) to get it working! :smile: As a child I never learned anything e…
... together with the amount of t-states they use, does anyone has ... -
Comments for small "sprite" routine wantedI have just written my first machine code program and I am quite happy (and proud) to get it working! :smile: As a child I never learned anything e…
... together with the amount of t-states they use, does anyone has ... -
Delay routineAs some people are aware, I have recently starting writing a [url=http://fuse-emulator.svn.sourceforge.net/viewvc/fuse-emulator/trunk/fusetest/]autom…
... the comments are correct regarding T-states, but there you go.
t work and I'll have ... at it. Sorry it ain't pretty :)
[CODE]
; enter with HL = t-states to wait
; Pre-req ... -
Delay routineAs some people are aware, I have recently starting writing a [url=http://fuse-emulator.svn.sourceforge.net/viewvc/fuse-emulator/trunk/fusetest/]autom…
... $8000
; enter with HL = t-states to wait
; Pre-req ... -
Delay routineAs some people are aware, I have recently starting writing a [url=http://fuse-emulator.svn.sourceforge.net/viewvc/fuse-emulator/trunk/fusetest/]autom…
... to work... if you don't it'll just return.
t states.
And due to some ... code
; enter with HL = t-states to wait
; Pre-req ... -
Delay routineAs some people are aware, I have recently starting writing a [url=http://fuse-emulator.svn.sourceforge.net/viewvc/fuse-emulator/trunk/fusetest/]autom…
... code
; enter with HL = t-states to wait
; Pre-req ... -
Delay routineAs some people are aware, I have recently starting writing a [url=http://fuse-emulator.svn.sourceforge.net/viewvc/fuse-emulator/trunk/fusetest/]autom…
... even more. This version doesn't change the overhead (still HL ...
; enter with HL = t-states to wait
; Pre-req ... above bit of code won't fit.
ALIGN 16
How does interrupts work?I am a little confused regarding the interrupts on the Spectrum. If I have some hundred bytes of machine code started with, say, [B]RANDOMIZE USR 300…
... /> Is it known how many t-states in one second that is ...Delay routineAs some people are aware, I have recently starting writing a [url=http://fuse-emulator.svn.sourceforge.net/viewvc/fuse-emulator/trunk/fusetest/]autom…
... 41 bytes and with 93 T cycles overhead (assuming I computed ... accounting for the extra odd t-states, which is where the table ...Delay routineAs some people are aware, I have recently starting writing a [url=http://fuse-emulator.svn.sourceforge.net/viewvc/fuse-emulator/trunk/fusetest/]autom…
... takes 17), but that doesn't make for a very usable ...
; enter with HL = t-states to wait
; Pre-req ...Border emulationHow is the border emulated to do all the fancy little tricks such as in Aquaplane? I've got some basic border emulation working but it only displays…
... />
Keep count of your T-States with each Z80 instruction and ... to positions based on the T States since the last INTterrupt. Obviously ...Delay routineAs some people are aware, I have recently starting writing a [url=http://fuse-emulator.svn.sourceforge.net/viewvc/fuse-emulator/trunk/fusetest/]autom…
... possible to reduce the minimal T-states. My program has a shortest ... run of 54 T-states, with CALL, RET and NOP ... added it becomes 89 T-states
[code]
org ...Delay routineAs some people are aware, I have recently starting writing a [url=http://fuse-emulator.svn.sourceforge.net/viewvc/fuse-emulator/trunk/fusetest/]autom…
... possible to reduce the minimal T-states. My program has a shortest ... run of 54 T-states, with CALL, RET and NOP ... added it becomes 89 T-states[/QUOTE]
Are you ... , i.e. 76 T without CALL, 93 T with it. And although ...A new Apple 1 emulator for the SpectrumHi all, I'm happy to announce a new Apple 1 emulator for the Sinclair ZX Spectrum! It's a port of Simon Owen's Apple 1 emulator for the SAM coupe to…
... noticed a remark about reducing T-states in the main loop.
T-states.
When B is constant ... code
in 26/36 T-states.
INC DE not ... mainloop, since this will cost T-states when your emulated code
Delay routineAs some people are aware, I have recently starting writing a [url=http://fuse-emulator.svn.sourceforge.net/viewvc/fuse-emulator/trunk/fusetest/]autom…
... /> ; bit0 set : 20 T
; bit0 reset : 19 T
.b1 ... /> ; bit3 set : 24 T
; bit3 reset : 16 T
.b4a ... *b2 + 8*b3 + 16*b4 T states
And we have ... loop takes 11+32*n T states, working off 32T for bits ...I'll name that game in ...I was about to recommend Astro Blaster to someone, when I realised it's not the game I thought it was. Astro Blaster appears to be a space invaders …
... a way that every 500 T-states the sound routine was invoked ... silly message). And it wasn't done for 'Crash'. This version ... some other. This version doesn't have any credits or an ... ) and Mike Webb (who isn't) wrote it. Not me.Preferred way of determining Y co-ord in assembly?I know of 2 ways of calculating the y-cord of a pixel row for the speccy in assembly. One is to calculate the address by ways of shifting and masking…
... the Min Size version (83 T States; no table) as although I ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
ok, I don't know why I didn't think of timing this ... scroll_isr() interrupt routine. Specataculator reports T states since the interrupt occurred (therefore ... 0 on interrupt) so the T state reading in Spectaculator's ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... the memopd aswell. I don't have memopd in my tree ... the code later. I can't really see much of a ... you can work out the T-states and such :grin:
Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... you can work out the T-states and such :grin:
[/ ... This all checked with Spectaculators T state counter, no mental gymnastics ... that an assembly programmer wouldn't normally use. A switch ... images, but I don't know without seeing the difference ...Speccy emulators on Mac OS X (Tiger)Need an easy to use Speccy emu for my Mac. That's it.
... in ZXSP that aren't available in FUSE at the moment besides ... think the keyboard graphics aren't in Fuse, the useful ones are ... worthless IMO as they don't show the keywords which is ...
