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New game: SolarGun 1.0[img]https://dl.dropboxusercontent.com/u/75238938/solargun4.png[/img] [img]https://dl.dropboxusercontent.com/u/75238938/solargun5.gif[/img] (that g…
... 0xffff which has our ret instruction.
[/quote]
instruction[/b].
[/quote]
... you don't ever use HALT instruction, it will "appear" that ...
If you use a HALT instruction (to sync with the screen ... -
New game: SolarGun 1.0[img]https://dl.dropboxusercontent.com/u/75238938/solargun4.png[/img] [img]https://dl.dropboxusercontent.com/u/75238938/solargun5.gif[/img] (that g…
... ;852258"]If you use a HALT instruction (to sync with the screen ... interrupts (EI) before returning, hence HALT will wait forever for interrupts ... />
I EI just before HALT, otherwise keep the interrupts disabled. -
New game: SolarGun 1.0[img]https://dl.dropboxusercontent.com/u/75238938/solargun4.png[/img] [img]https://dl.dropboxusercontent.com/u/75238938/solargun5.gif[/img] (that g…
... 852258"]If you use a HALT instruction (to sync with the ... (EI) before returning, hence HALT will wait forever for interrupts ...
I EI just before HALT, otherwise keep the interrupts disabled ... interrupt handler, or just before HALT. But this way you ... -
Startup colours of the Spectrum ROMHi Folks, Thought I would have a go at changing the startup colours of the Spectrum ROMs used within BasinC which ships with 48.rom (16384 bytes) …
... trap is in the core, HALT instruction.
PutWord(@Memory[$1B55 ... -
Double Buffering Artefacts on Real HardwareI have a project that I've played around with for a while and always tested using emulators, either ZX Spin or Spectaculator. It is a 128k game th…
... the check right after a HALT instruction you should get a consistent ... -
Double Buffering Artefacts on Real HardwareI have a project that I've played around with for a while and always tested using emulators, either ZX Spin or Spectaculator. It is a 128k game th…
... the check right after a HALT instruction you should get a consistent ... remember correctly. I think that HALT can be avoided by using ... -
Double Buffering Artefacts on Real HardwareI have a project that I've played around with for a while and always tested using emulators, either ZX Spin or Spectaculator. It is a 128k game th…
... the check right after a HALT instruction you should get a consistent ... remember correctly. I think that HALT can be avoided by using ... -
ROM emulation in softwareHi, first of all -- I only have shallow / uni knowledge of hardware, electronics, and physics. So forgive me for asking things that are out of that …
... /BUSAK) the parasite computer can halt instruction execution (after the current Z80 ... instruction finishes) and take control of ... -
ROM emulation in softwareHi, first of all -- I only have shallow / uni knowledge of hardware, electronics, and physics. So forgive me for asking things that are out of that …
... /BUSAK) the parasite computer can halt instruction execution (after the current Z80 ... instruction finishes) and take control of ... -
ROM emulation in softwareHi, first of all -- I only have shallow / uni knowledge of hardware, electronics, and physics. So forgive me for asking things that are out of that …
... /BUSAK) the parasite computer can halt instruction execution (after the current Z80 ... instruction finishes) and take control of ... -
Is it possible to make the Z80 execute a bizarre instruction?What happens when it gets an unrecognised instruction OP Code, I mean something following a #ED that isn't one of the undocumented instructions eithe…
... as it having executed a HALT instruction.
Because the Z80 ... you get is executing a HALT instruction.
But that just ... the HALT instruction. So after executing a HALT instruction, it fetches the same HALT instruction and ... -
Top Telly Tip... Halt and Catch FireThe series is set in the early 1980s and depicts a fictionalized insider's view of the personal computer revolution. The show's title refers to the f…
... to the fictitious machine code instruction Halt and Catch Fire, which would ... -
HALT: Why always 4ts?Instruction breakdown of halt is like that: PC 4ts. That means it fetches instruction byte from ram which tooks 4 ts and then does nothing and read…
Instruction breakdown of halt is like that:
That means it fetches instruction byte from ram which tooks ... .
if halt is already read by cpu ... again to execute the HALT, why it still takes ... I mean if cpu executed HALT at cycle 5, and ... -
Where can I get instruction manuals for games-Where can I get instruction manuals for games Fist II and Codename Mat II? Please answer this time!
Where can I get instruction manuals for games Fist II and Codename Mat II?
Please answer this time! -
Instruction Manual for FIST IIWhere can I get the Instruction Manual for FIST II, but not Way of the exploding Fist II, I mean Mastertronic's, not melbourne house's. :(
Where can I get the Instruction Manual for FIST II, but not Way of the exploding Fist II, I mean Mastertronic's, not melbourne house's.
:( -
Question about CP Z80 instructionSorry if this is the wrong folder, but it seems the most appropriate. When performing a CP instruction, is the P flag set when the compared values …
... />
When performing a CP instruction, is the P flag set ... -
Official Instruction ManualLooking for the official instruction manual, as if you wouldn't already know, got the old Spectrum from my mums the other day and would like to get b…
Looking for the official instruction manual, as if you wouldn't already know, got the old Spectrum from my mums the other day and would like to get back into some basic and also check programs i had done almost 20 yrs ago -
Game flyers and instruction sheetsI'm in the middle of a massive scanning drive, the end result of which is loads of flyer sheets and instruction sheets for various games. Some of th…
LERM Transpack 2 Instruction ManualSorry I hope I have posted this on the right forum. Can anybody help I have an original LERM Transpack Tape but I have lost the Instruction Manual o…
... but I have lost the Instruction Manual over the years, can ...IM instruction - danger Will Robinson!!! :)Here's something I've wondered about for years: On page 102 of "Mastering Machine Code on your Zx Spectrum" by Toni Baker, there's an instruction li…
... Toni Baker, there's an instruction listed as IM.
... /> The description of the IM instruction says:
DANGER ... !!! Under no circumstances use this instruction!
What exactly ... does the IM instruction do?
Can ...A tidy loader for minigamesThe minigame competition doesn't permit the use of separate loaders like [code]10 LOAD "": RAND USR 32768[/code] The loader must be included in the b…
The minigame competition doesn't permit the use of separate loaders like
[code]10 LOAD "": RAND USR 32768[/code]
The loader must be included in the byte count.
In an attempt to save as many bytes as possible, people have written ...BEEPER music compo 10-11 July on Di:Halt partyoh yeah! public pressure organizers [B]Di:Halt [/B]which will take place [B]July 10-11[/B], agreed to hold the [B]beeper music compo[/B]. The rules…
... ! public pressure organizers [B]Di:Halt [/B]which will take place ...Z80 RRCA instruction...Hi Folks, Well my exploration of Z80 MCODE continues apace! I am struggling to understand how the RRCA instruction works. The official Zilog manua…
... to understand how the RRCA instruction works. The official Zilog manual ...Odd Commando instruction leafletI found this instruction leaflet inside my copy of Elite's Commando. It goes on about the game also being called "Space Invasion". Anyone know anyt…
I found this instruction leaflet inside my copy of ...Is there a DD40 instruction?On this page: [URL="http://mdfs.net/Software/Z80/Exerciser/Spectrum/zexall.src"]Z80 instruction set exerciser for Spectrum[/URL] I noticed the belo…
... /Exerciser/Spectrum/zexall.src"]Z80 instruction set exerciser for Spectrum[/URL ... in ZeXall or is the instruction missed from Sean Youngs doc ...ProTracker manual/instruction in English?Hello. A friend of mine would like to start making AY music on ZX Spectrum. In this purpose he'd like to have a ProTracker's instruction/guide/manu…
Hello.
A friend of mine would like to start making AY music on ZX Spectrum.
In this purpose he'd like to have a ProTracker's instruction/guide/manual.
In English language.
Is there anything like it, on the Net?
