-
RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
... support for "print comma" (move current position to the next column multiple ... DRIVER":
[CODE]
; FAST "COMMA" (jump to next column multiple of ... )
or 0x0f ; change column to destination minus 1
ld ... -
RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
... br /> ;
; CODE #1: FAST "COMMA" (jump to next column multiple of ... />
; Check the half screen byte to be changed, self-modifying the ... ; write result back to screen
inc d ; next screen location
inc ... -
Kiwi OS for z80 computerHi everyone, Nearly made my z80 computer with 2K ROM 32K RAM. It has an OS im still writing called Kiwi (apple, blackberry, you get the idea ;D) he…
... have a part of memory where the screen is defined.
memory is sent to the TV.
When ... you will get a new screen.
The BBC works ... /> How do refresh your LCD Screen (or how does refresh work ... -
writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... possibly be, to be honest. Something is writing to screen memory to create those little ... of us are going to be able to do it for him ... with only a couple of screenshots to ... -
writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... possibly be, to be honest. Something is writing to screen memory to create those little ... graphic isn't in the screen and can be possible ... what Smith uses the screen as temporary buffer when the ... suspect what PeterP redraws the screen at the end of the ... -
Is it just me or.....Hi Everyone I haven't been on here for a while, so this might have been discussed to death already, apologies if it has but... Is it just me, or wa…
... have instant access to anything with a slight move of your index ... you had to walk to the music store, or even move to a bigger ... town to get your favourite band ... it's not true. Selective memory wipes out the incredible amount ... -
Is it just me or.....Hi Everyone I haven't been on here for a while, so this might have been discussed to death already, apologies if it has but... Is it just me, or wa…
... have instant access to anything with a slight move of your index ... you had to walk to the music store, or even move to a bigger ... town to get your favourite band ... it's not true. Selective memory wipes out the incredible amount ... -
New Tool: CheqEdit[b]CheqEdit[/b] it's a simple and small program that helps you to draw 64x48 graphics on screen in GRAPHICS MODE. Program can output as text in CHR$ …
... the scrolling thing, to move the screen... could you ADD TO it .. so say ... ROW / COLUMN ( you'd have to add a thing on the ... top/side I guess to select the row / colum I ... -
New Tool: CheqEdit[b]CheqEdit[/b] it's a simple and small program that helps you to draw 64x48 graphics on screen in GRAPHICS MODE. Program can output as text in CHR$ …
... scrolling thing, to move the screen... could you ADD TO it .. so ... be possible to scroll parts of the screen, it's ... already. :) Anyone care to port it for the sake ... with much easier exporting to real machine (for need ... know any other way to export data (except ... -
Address of monitor to load emulator files into real SpeccyI have a monitor/debugger that can load data over serial port really fast. Now I would like to extend it to load standard emulator files over the ser…
Running the monitor in screen memory will let you load ... of anyone that uses the screen memory for storing data, but ... snapshot from Compact Flash to memory and uses screen memory for intermediate code ... a small piece of data to overwrite BASIC area. Others ... -
Where to start?..Hello, First off, sorry if this is in the wrong and sorry if the questions I'm about to ask have been asked and answered numerous time! Little back…
... but a directive to the assembler to generate the code ... just see the cursor move to the next line with ... assembler with 'Q' to go back to Basic. From basic you ... have an assembly program in memory at the default address ... ). It's up to you to make sure none of ... -
Google PlusAnyone on Google Plus yet? I joined, but simply to get my foot though the door if it becomes adventageous for me to know it, develop for it (an API …
... the surfice thats what matters to the user (ignoring developer maintenence ... now.
I want to compare goggle plus with the ... or 12 months ago, things move to fast for that. -
writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... Of course LD causes PC to move to next instruction. Right after LD ... hell do some games try to write to ROM? I mean, ... tried to overwrite ROM? Does it mean all instructions modifying memory ... been restored before any references to that memory region were made. -
Tile based graphics and scrolling thingy...Here's my best attempt so far at a tile based rendering and scrolling routine. It draws in 22 8*8 graphics tiles along the top of the screen (junk i…
... 's as fast as I think it's possible to do it ... /> I have a few suggestions to improve the 'draw_tile_line' routine, if ... -
Surely not Buzzsaw+ Already..?But this game has had such a short development time, how can this be? Free version of [I]Buzzsaw+ (Foxton Locks Mix)[/I] available here: [url]http:…
... =joefish;568510]There's no memory left to either record or program ... free memory, but you're not clever enough to know how to write ... /> If you really want to see dedication to Joffa, when the music ... different types of enemies on screen, since this does happen ( ... -
Paging memoryI've been thinking about a possibility of paging blocks of memory to and from disk. Imagine dividing usable 32KB of Speccys RAM (why do they call it …
... OS would compare process memory bitmask to the memory track from OS. Differences ... 's certainly not going to be fast enough to give the illusion of ... to virtual memory on the Z80, so you're going to be forced to ... -
Pac-Man EmulatorMy Pac-Man Emulator for the Spectrum +2A/+3 is now available for download from: [url]http://simonowen.com/spectrum/pacemuzx/[/url] You'll need to su…
... interfacing stuff (read controls, write to screen, make sounds...).[/quote]
... peeks the memory-mapped registers and converts them to the ... equivalent AY note number. I also make memory ... br />
Compare that to my Space Invaders 'emulator' ( ... -
Newbie says 'Alreet?'Hiya dudes, Just dropping a line to say hello as i've decided at 33 to try and fulfill a long time ambition to write a speccy game in machine code..…
... you can see how memory locations correspond to screen location:
... total to 6912 bytes = size of a ZX Spectrum screen.
If you listen to tape sounds ... usually easy to hear what part of a title screen is loading ... -
Super Stick ManBeen thinking about doing a weird platformer for a while now, but since I have zero programming knowledge, and a modicum of drawing skills, I thought…
... movement, jumping - now to sort moving from screen to screen. Only limitations I can ... wrong) none of the extra memory in 128k and 16x16 sprites ... happens... I'll post something to play about with within the ... not, i'll leave others to judge :)
Si -
Which Ultimate Play the Game game's do you like (tick the ones you like)After discussing Sabre Wulf in another thread, I thought it would be interesting to see which games of theirs we liked and disliked in proportion to …
... 'feature' where you can't move for a few moments as ... speed varies SO much from screen to screen, and if you have a ... killed but it just adds to the strategy and means you ... just have to check the day timer each screen,of course ... -
BBC Micro 30 Years OldFor Beeb fans see here: [url]http://www.worldofspectrum.org/forums/showthread.php?p=583615#post583615[/url]
... (great BASIC, built in assembler, fast CPU, good keyboard, flexible graphics ... only had 32k of memory, and the screen display could take up ... -
Double Dragon 128k - The graphicsAs you are all probably aware, I tried gathering a team of people together a few years back to make a totally re-programmed version of Double Dragon …
... br /> find a proper coder to do the job.
< ... a coder humble enough to lift the project and ... ! A PROMISE...]
anyway, to clarify what is going on ... i really would like to deliver a tech demo ... small memory should be hidden and hopefully i can move to ... -
Double Dragon 128k - The graphicsAs you are all probably aware, I tried gathering a team of people together a few years back to make a totally re-programmed version of Double Dragon …
... ! A PROMISE...]
anyway, to clarify what is going on ... small memory should be hidden and hopefully i can move to ... We need another person to code on the team, ... is, Fikee would like to pass on the coding ... someone else is available to join the project and ... -
JSpeccy v0.89 Christmas 2011 EditionHi, After seven months of hard work, tonight I've released a new JSpeccy version as my humble Christmas gift for all the community. As my webpage i…
... [*]ZX Interface I with up to 8 Microdrives with unprecedented emulation ... [*]Save/Load a snapshot to/from PC memory
[*]Hibernate Spectrum ... allows, with a simple memory inspection, to see what areas are ... RAM pages.
[*]The fast load tape is faster now ... -
Rebelstar 2 - hints and tipsI'm somewhat depressed as my games console broke the first day of this holiday period and getting a replacement is not so easy and taking time. I wan…
... it, and a vid screen to the South of it ... move through the door, past the coffee machine and to ... points left to zap you, sometimes they move to try and ... a droid tries to get closer to you by passing ... Photons require weapon skill to keep the action points ... -
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…
... within the magic menu screen to unlock the different shouts ... we came across a quest to find an orb or ... my level, will still seem to spot you.)
to me and said they ... him.
fast travel back to solitude, and promptly get ... -
Things That REALLY BUG YOU!My Mum's birthday is on "Valentine's Day", so when I pay out loads of money for a card and gift - it looks like I'm all "GIRLY" and a poof!
... pen, I get up to help her look for it ... She'd somehow managed to go back to google type something and ... session.
Kudos to her though she did manage ... it for months due to a combo of laziness ... click the wheel and move the screen around with the mouse ... -
Fairlight's use of LDIRYS, comparing Fairlight and Nightshade, said: [quote]Fairlight is much more interesting even though the techniques that Bo Jangeborg uses for screen…
... ]Using PUSH to write into the screen is faster ... the destination addresses, but to fetch the data, the ... one or the other memory address to allow for the ... different directions. You have to make the decision which ... -by-line down the screen, you may collide with ... -
Riddler's DenIt turns out that I am following the solution of "Tipshop" to complete this game, but came to a point that I can not move forward. [url]http://www.t…
... />
----
Move down (to get to screen with BANK)
Move right
... br /> The spider will move to the coat of arms revealing ... area and bee should move to it revealing new entrance.< ... -
Faster CLS...Hi Folks, Looking at the CLS command in the Spectrum ROM disassembly it seems rather complex. Does anyone know of a simpler/quicker routine that wi…
... . If you're clearing the screen then re-drawing something in ... you want everything to happen as fast as possible to avoid flicker. If ... you're just clearing it to ... leave it blank or to start writing on ...
