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"chunky" gfxHas anyone some experience with coding "chunky" gfx routines ? (chunky is something like this [url]http://www.pouet.net/prod.php?which=13204[/url])
... linear fame buffer first and only then perform full-screen dither as ... render 32x20 characters (almost full screen) in less than one frame ... actually horizontally flips your frame buffer? :) -
Aggravating problem with screensI've rewritten my Sam C runtime emulator code ( well almost ) to allow me to use my own routines for blitting sprites onto the screen, storing tiles …
... .
( note: the screen that is paged in to ... loop]
- - Page in back buffer into active memory
- - ... the top of the back buffer
- - page in sprite ... - active screen is now back buffer, previous active screen will be back buffer
Aggravating problem with screensI've rewritten my Sam C runtime emulator code ( well almost ) to allow me to use my own routines for blitting sprites onto the screen, storing tiles …
[QUOTE=DonkeyPong]( note: the screen that is paged in to ... one time is the back buffer, which as Colin pointed out ... no longer is the back buffer, which I hope.[/QUOTE]
USB Hardrive enclosures.I have invested in a USB hardrive enclosure and a 40Gb laptop hard-drive as my USB stick was bulging at the seems. Now these devices power and run t…
... the bottom right of the screen.
As for pulling ... green icon) flushes the software buffer in the driver ensuring everything ...Total amount of memory on a Speccy ?I wonder............ The C64 (excuse me for saying that name in here. I'll hereby name it just "it") has 64k, while only 38k, or so, is available f…
... display colour
23296 - ?? Printer buffer
?? - ?? System memvars
?? - 65535 ... avoid running code on the screen.
I am rambling ...Total amount of memory on a Speccy ?I wonder............ The C64 (excuse me for saying that name in here. I'll hereby name it just "it") has 64k, while only 38k, or so, is available f…
... the screen memory and you [B]CAN[/B] use the Printer Buffer ...Getting scr addresses from x and yCould someone please tell me how to calculate the 8 screen addresses corresponding to a character printed in basic at coordinates x and y? For examp…
... the whole screen (excluding attributes if you wish) to a buffer (12 ... keep the rest of the screen unaffected)ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…
... more control over how the screen is updated. For tiles, if ... display buffer as background. The example program that uses a screen$ as ...My little first set of routines.Hi all, I just coded a little set of routines just to draw a screen on video mem and a fade out. I could have just copied the screen rendering rout…
... =karingal;181655]Here's my screen clearing routine, can't remember ... first byte of the printer buffer is set to 15.bubble trouble 16k?Hi, i download this game from [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0000729[/url] and run under emuZwin. i think its not 16k game :…
Sorry guys -- it's not a 16k game. Program size is 7k, screen is 6k, it uses a 4k back buffer, which adds up to 17k at least!Game Programming Source Code & Startup HelpHi there, I'm planning on porting an existing commercial title to the speccy. I'm in the process of disassembling the original code and commenting i…
... faq.[/QUOTE]
Avoiding screen flicker and tear. If you ... a back buffer. And keep in mind, with full screen (or close ... updates you've got partial screen renderings in one active display ...Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…
... excellent. Aside from the full-screen countdown the vector graphics were ... fast as possible. The back buffer was cleared with the stack ... , then LDIR to the main screen. Early days I suppose, and ...Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…
... excellent. Aside from the full-screen countdown the vector graphics were ... fast as possible. The back buffer was cleared with the stack ... , then LDIR to the main screen. Early days I suppose, and ...Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…
... excellent. Aside from the full-screen countdown the vector graphics were ... fast as possible. The back buffer was cleared with the stack ... , then LDIR to the main screen. Early days I suppose, and ...Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…
... excellent. Aside from the full-screen countdown the vector graphics were ... fast as possible. The back buffer was cleared with the stack ... , then LDIR to the main screen. Early days I suppose, and ...Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…
... , then LDIR to the main screen. Early days I suppose, and ... it 2/3rds of the screen each time.
I ... am using the attribute control buffer similar to Manic Miner (only ... could do all this without screen tearing. The music was also ...Reason for strange display layout?I have always wondered if there is any technical reason behind the strange layout of the display file or why did Sinclair choose to do it this way?
... graphics into the frame buffer. If the frame buffer was a simple ... . Write byte to screen.
3. Increase screen pointer by 32
screen row below this one, all ... shoudl be in the frame buffer.Reason for strange display layout?I have always wondered if there is any technical reason behind the strange layout of the display file or why did Sinclair choose to do it this way?
... frame buffer (for 1 bit per pixel modes) organized the screen with ... of each character to the screen, with a simple increment of ... the logic that built the screen picture read the RAM only ... build a simple LCD frame buffer for it, and the contention ...Reason for strange display layout?I have always wondered if there is any technical reason behind the strange layout of the display file or why did Sinclair choose to do it this way?
... (when using HL as a screen pointer) merely incrementing H to ... had simply made the frame buffer a 'raster' image in memory ... was to optimize the frame buffer so that software could make ... BBC Micro made the frame buffer easy for the CPU to ...Reason for strange display layout?I have always wondered if there is any technical reason behind the strange layout of the display file or why did Sinclair choose to do it this way?
... . When I build the frame buffer for my Z80 project's ... last 1/3rd of the screen and no colour attributes. The ...Reason for strange display layout?I have always wondered if there is any technical reason behind the strange layout of the display file or why did Sinclair choose to do it this way?
... of the "playing field" from buffer where are no movements in ... all - applied at the whole screen you have saving of 192 ...hiding file names while loadinghello, i just found my old home grown game Bubble Bobble The Adventure in original form, so i'm trying to convert it from TR-DOS to TZX for submitti…
... less time to load, no screen corruption etc.
It ... printer buffer to store some code, then when you save the screen ... , save the printer buffer too. Since a ... was just part of the screen picture instead.Question about digitized sound and videoI searched the forums and couldn't find the answer, so here it goes. Regarding digitized sound: I remember reading an article long ago about a vid…
... them to the screen or a 256-byte sound buffer, and stopping ... to dump something from that buffer to the AY) and there ...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…
... back buffer is copied (you'll see part of the screen in ... . Ultimate uses a full screen back buffer in its isometric games and ... buffer before copying the result to screen. There is no flicker on screen ...Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…
... excellent. Aside from the full-screen countdown the vector graphics were ... fast as possible. The back buffer was cleared with the stack ... , then LDIR to the main screen. Early days I suppose, and ...Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…
... the screen.
Note that I'm assuming that the buffer ... uses only two thirds of the screen, and I ... of the memory screen... no system vars, no printer buffer...).
screen, to avoid the block ...Possible great ideaHello there everybody, I have been toying with the idea of doing a project here with the help of the gurus on the forum. The idea is to start the de…
... print onto the screen or into a memory buffer (for scrolling).
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…
... = destination address for printed bitmap (screen or buffer)
// f = uchar ... the message across the screen (the scrolling will be ... . This keeps the memory buffer contiguous. How do we ... br /> Characters on the Spectrum screen are 8 pixels tall. To ...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…
... (it continuously scrolls across the screen over and over)
... scroll the message on screen one pixel left. The ... the top of the screen (so no tear), ... mind uses memset() for buffer init, memop() for pixel ... a time into the buffer and probably memcpy() because ...
