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Was the +3 a missed opportunity?I just wanted to gauge WOS opinion on this. Do people think that the +3 was a bit of disappointment that didn't really advance the hardware as much a…
... required due to the larger screen memory?[/QUOTE]
The PCW ... -
Calculating the address of a pixel?Hi Folks, Is there an easy/quick way of calculating the memory address of a pixel? So for example, if I wanted to "plot" pixel at screen coordinate…
... QUOTE=Alcoholics Anonymous;511112]Save memory for who? Surely not ... hold some data in the screen memory hiding it behind the ... ;511112]
Your proposed screen organization to splot a 16x16 ... can imagine. Besides spectrum screen usually was refreshed in two ... -
Calculating the address of a pixel?Hi Folks, Is there an easy/quick way of calculating the memory address of a pixel? So for example, if I wanted to "plot" pixel at screen coordinate…
The spectrum screen memory is the way it is ... want a simple linear video memory with per pixel colour etc ... how clever the spectrum video memory implementation actually *is* for it ... -
Calculating the address of a pixel?Hi Folks, Is there an easy/quick way of calculating the memory address of a pixel? So for example, if I wanted to "plot" pixel at screen coordinate…
... /quick way of calculating the memory address of a pixel? So ... wanted to "plot" pixel at screen coordinates 50,50 how would ... on how to calculate the screen memory address are here, as comments ... -
Calculating the address of a pixel?Hi Folks, Is there an easy/quick way of calculating the memory address of a pixel? So for example, if I wanted to "plot" pixel at screen coordinate…
... addresses for a screen memory plus an attribute memory that is ... effect is that the screen-range is divided in ... level in MC routines for screen handling.
The ... is that two bytes (screen + attr) must be ... every pattern moved to screen. This is demanded by ... -
Calculating the address of a pixel?Hi Folks, Is there an easy/quick way of calculating the memory address of a pixel? So for example, if I wanted to "plot" pixel at screen coordinate…
... of addresses for a screen memory plus an attribute memory that is 1 ... -level in MC routines for screen handling.[/QUOTE]
Sounds like ... hardware is that two bytes (screen + attr) must be read ... choose any width for your screen (in columns)
... -
Spectrum 128 on modern (plasma) TVHello gang! So I want to hook up my 128 to my new Panasonic plasma TV via Scart-RGB, but the picture keeps shifting from left to right. Anyone had s…
... pixels. If I change the border to blue I get a ... blue at the left-hand border-screen edge. -
Spectrum 128 on modern (plasma) TVHello gang! So I want to hook up my 128 to my new Panasonic plasma TV via Scart-RGB, but the picture keeps shifting from left to right. Anyone had s…
... pixels. If I change the border to blue I get a ... blue at the left-hand border-screen edge.[/QUOTE]
Sounds ... -
Smooth (vertical) scrolling on ZX SpectrumI was just thinking about this. You know, you have systems like Atari 2600 or Sega SG-1000 that have no hardware scroll, but they have games that sti…
... scenery in situ in the screen memory, whilst drawing the game sprites ... -
50Hurts - Full-screen 50Hz 1-pixel scrolling on a 128K Speccy50Hurts - Full-screen 50Hz 1-pixel horizontal scrolling on a 128K Speccy. Graphics are an obvious nod to Joffa, whose games and banter were a big ins…
... HL and then PUSHed into screen memory in sequence, according to which ... and to PUSH them to screen memory takes longer, so things slow ... to the contended way the screen memory works, the PUSH IX ... rendering each line of the screen, which still means using ... -
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…
... see now is black screen and cursor. Right now ... . How do I emulate screen display? Of course I ... resides in Speccy's screen memory into what appears on ... screen, but how exactly do I do it? Which memory ... memory mapped into colors/positions of pixels on a screen ... -
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…
... I see now is black screen and cursor. Right now, for ... 6912 bytes of the Spectrum memory map, starting from address 16384 ... is any mention of the screen layout in the latter at ... -
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…
... unlikely to ever point to screen memory. You're not executing code ... -
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…
... compared values from Memory Browser with my own memory dump after ... 16384 to 23295 is the screen memory, and 20704 happens to be ... the bottom line of the screen where the copyright message ... logs, or somehow observing the memory throughout the startup process ( ... -
Most colourful games?I just played [url=http://www.worldofspectrum.org/infoseekid.cgi?id=0001563]Earth Shaker[/url] and am fairly dazzled by the overload use of colour (t…
... write the result into the screen memory directly.
As for ... -rendered and copied to the screen. If anyone can get a ... screen grab from [I]Knight Lore[/ ... -
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…
... honest. Something is writing to screen memory to create those little yellow ... -
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…
... honest. Something is writing to screen memory to create those little yellow ... 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 ... -
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…
... bet is probably to use screen memory - put the essential non-overwritable ... those addresses when loading the memory image. Hopefully it'll just ... in a small amount of screen corruption when the snapshot starts ... -
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…
... bet is probably to use screen memory - put the essential non-overwritable ... those addresses when loading the memory image. Hopefully it'll just ... in a small amount of screen corruption when the snapshot starts ... -
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 practically ... of anyone that uses the screen memory for storing data, but it ... from Compact Flash to memory and uses screen memory for intermediate code storing ... -
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…
... '.
.SNA files are whole-memory dumps.
.TAP files are ... miss out any loading screen, and use the screen memory for your code ... -
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…
... copies graphic data to the screen memory. If you want animation you ... leg position) to the same screen memory.
Oh, and you ... -
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…
... copies graphic data to the screen memory. If you want animation you ... leg position) to the same screen memory.
Oh, and you ... -
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…
... you'll need is a memory map of the Spectrum and ... read up on how its screen memory is laid out.
screen. In fact, in some ways ... -
MCODE problem...Hi Folks, Trying to write a simple machine code program to hatch the screen. So far I have the following but even this is not working - it does not…
... following:
1) Looking at screen memory sequentially, we can see that ... low-byte (L) pointing to memory changes when it transitions from ... -
Are there any CPC forums?Like here or lemon, there doesnt appear to be much of a community going on
... where.
Too much screen memory to move happily with the ... -
Are there any CPC forums?Like here or lemon, there doesnt appear to be much of a community going on
... where.
Too much screen memory to move happily with the ... -
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 …
... is acronym for Random Access Memory - and the video RAM fully ... game/utility completely placed in screen memory including stack. how would you ... is not RAM but virtual memory is not a complex topic ...
