-
BASIC performance tips?Been fiddling around with an old project a little after rescuing it from tape, and I'm toying with the idea of completing it (hey, better late than n…
... tstates are spent at each instruction (or even something more complicated ... -
New release of EmuZWinEmuZWin Version 2.6 Release 1.0 Beta? ? (30-Jan-2005): A lot of changes. Most important are: [+] Formats supported: RZX, SLT. [+] Sound devices sup…
... and Windows versions, and their instruction files or WWW pages generally ... -
128k Shadow Screen?When emulating the shadow screen in bank 7 should that bank be switched into address C000? If so, what happens if bank 7 is switched out without canc…
... has to decode the LD instruction before it knows it should ... -
Cold War GamesI'm trying to assemble a list of all spectrum computer games related to the soviet/western cold war the very essence of the 80's computer games era c…
... number was given in the instruction manual - there was a recorded ... -
Cold War GamesI'm trying to assemble a list of all spectrum computer games related to the soviet/western cold war the very essence of the 80's computer games era c…
... number was given in the instruction manual - there was a recorded ... -
Cold War GamesI'm trying to assemble a list of all spectrum computer games related to the soviet/western cold war the very essence of the 80's computer games era c…
... number was given in the instruction manual - there was a recorded ... -
ADCI'm a little confused about how the Z80 manages the ADC instruction. I'm assuming two ADD instructions are performed (am I wrong?!) I can think of 3 …
... a z80 8-bit add instruction), you would have eight of ... -
Most frustrating games ?Ever played a game where you can't almost even begin to play because you've already been killed ? I think of titles like Platoon or Mutant Zone...
Games that are impossible to complete due to bugs!I'm trying to compile a list of Speccy games that cannot be completed because of a bug (or simply bad programming)! Here's a few... [B]Frankie Goes …
... is due to a LDI instruction running in conjunction with a ...Invisible loading screenI can't remember how this is done (I did it years ago but can't remember how). When loading a screen$ from basic you can see the lines being display…
... output routine to a RET instruction so that it does nothing ...How to detect 48k modeHow can you detect if a 128k machine is in 48k mode (from an emulation point of view, not via BASIC or machine code)? Checking the current rom? But …
... the result of a CP instruction 48k models and 128k models ...anybody ever played Carrier Command ?? I am determined to work out how to play it. But everytime I look through the enclcylopedia of instructions which come with the game my determinatio…
... /> I went trough the huge instruction booklet but couldn't really ...Preservation QuestionsHi, I went reminiscing of the past recently and found this site, and firstly can I say thank you VERY much, this is by far one of the best Spectrum s…
... box with small paper leaflet instruction booklet
Brian Bloodaxe - original ... box with small paper leaflet instruction booklet
Bubble Bobble - original ... - original hard cardboard box with instruction manual***
UPTG Underwurlde - original ...White LightningDoes anyone on the forums have a copy of White Lightning? Looks like the Microdrive version is dumped, but the tape version is not... I've got a du…
I just bought it,
there are 2 tapes, 4 sides,
there are also two instruction booklets,
on the archive, the booklet has a !help by it, so how can I help?PLATFORM GAME DESIGNER - and about bloody time tooPlease feel free to raid Roger's Profanisaurus for rude names to call me for taking so long to get this sorted... PLATFORM GAME DESIGNER is now ava…
Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …
... ) will not change from one instruction to the next. You encounter ...PLATFORM GAME DESIGNER - and about bloody time tooPlease feel free to raid Roger's Profanisaurus for rude names to call me for taking so long to get this sorted... PLATFORM GAME DESIGNER is now ava…
... latest JSWED and read the instruction manual, that will tell you ...Helo everyone!What a great site. Still finding my way around and something new (old) at every turn. Quick question, not wanting to waste peoples time/money, what a…
... win that is not .tzx/instruction or cover scan I will ...Saboteur - Safe or secret place?Hello. Im sure many of you played Saboteur. When you are on the 1st floor (the floor you start), you can see a blocked ladder on a screen just before…
... line with the " jp b_b " instruction has an error. Could you ...Problems with SpinHi, took this emulator for a spin, loaded a hacked version of JSW and willy keeps jumping. Tried another version of JSW and again, he constantly jump…
... would slow to a grinding halt as I email the entire ...Fastest way to write something to screen$Hi, I just got pasmo.exe and start playing with attr scrolling, well, not scrolling, just write different values to a block and see if I can introdu…
You can use the REPT directive instead of DS.
REPT len / 2
PUSH DE
ENDM
Larger, but you don't need to hard code the instruction.Fastest way to write something to screen$Hi, I just got pasmo.exe and start playing with attr scrolling, well, not scrolling, just write different values to a block and see if I can introdu…
... need to hard code the instruction.
[/quote]
instruction.
Can it be used ...How many T-states takes PUSH DE ?Hi. Just a quick one. According to z80.info docs, a PUSH DE should take 11 T-States to be executed. But WHAT if SP is pointing to Contended Memory,…
... states for reading opcode of instruction
(if Programm Counter is ...Who will you vote for in the UK General Election?The miscellaneous section used to be mainly about miscellaneous Spectrum things, but since its now changed, I'll break with tradition: Just out of i…
... , screw the economy to a halt and have wind farms in ...Which Emulator do you use the most? and whyI currently use ZX32, it's free, which is great but it's not as fast as I'd like. Please everybody, tell me your fave emulator and why. I'm quite …
... the Tstates taken by the instruction.
However, if speed is ...Which Emulator do you use the most? and whyI currently use ZX32, it's free, which is great but it's not as fast as I'd like. Please everybody, tell me your fave emulator and why. I'm quite …
... the Tstates taken by the instruction.
[/quote]
Could ...Which Emulator do you use the most? and whyI currently use ZX32, it's free, which is great but it's not as fast as I'd like. Please everybody, tell me your fave emulator and why. I'm quite …
... the Tstates taken by the instruction.
[/quote]
I ...Want a Speccy Repaired?Maybe it's time to put my 'skills' to use.... Now that I've sourced some of the nastier transistors, I've fixed about 6 rubber keyed Speccys in the …
Well you can underclock the processor no problem but the newer one's have instruction pipelines so that's going to affect the timings.
