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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…
... ADT.LIB and SP1.LIB) need to allocate memory in the course ... , only SP1 will be making memory requests and SP1 only requests memory for ... default). The default memory map (listed in SP1's customization file ... s will be created by SP1. Memory for these 10 will ... -
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…
... =1.10&view=markup"]SP1 memory map[/URL] but could be ... -
Memory concerns with z88dkI've retaken my old spectrum project and sadly I've reached a dead end very fast. I'll try to explain my worst problem in a few lines. I'm not a vet…
... , it's memory reserved for use of the sp1 routines mostly.
sp1 asking for dynamic memory. There aren't ... back at the sp1 memory map, this includes the sp1 variables, im2 vector ... reserved in the sp1 bank but in its own memory bank. So ... -
SP1 and memoryWhile developing my program, I've run into memory related issues and haven't (yet) run into any advice over how SP1 uses memory. The examples all sb…
... into any advice over how SP1 uses memory.
The examples ... />
What memory addresses should I avoid when using SP1?
Generally, how much memory should I ... -
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…
... from now" release deadlines. SP1 is the lastest version of ...
Techno-Babble:
SP1 is a flicker-free software ... constraints like speed and available memory. This [URL="http://www ... and non-scrolling arcade games. SP1 *cannot* do scrolling well ... -
Memory concerns with z88dkI've retaken my old spectrum project and sadly I've reached a dead end very fast. I'll try to explain my worst problem in a few lines. I'm not a vet…
... Unfortunately I'm used to memory management to be transparent to ... I set up memory with all z88dk and sp1 default settings, ... do to avoid or minimize memory conflicts like that?
... +sp1 project with optional future 128k music to maximize available memory ... -
Z88DK/SP1 library u_malloc() questionHi All, It may possibly be more appropriate for me to post this on the Z88DK forum, but I know quite a few WoSSers have used Z88DK, so here goes:- …
... , 8000);
// Initialize SP1.LIB
zx_border(BLACK ... br />
puts("Out of memory!");
//exit program
// Initialize SP1.LIB
zx_border(BLACK ... -
A z88dk + sp1 demo (with source)Since nowadays people are still wondering about how difficult it is to make something in z88dk, I thought I just put a very simple demo to show how e…
... /> [CODE]
/****************************************
sp1 Sprite Demo 1
****************************************/
// C and SP1 code libraries are added here ... />
// Memory to define the background.
Memory usageBrowsing the online documentation for the Spectrum I came across a peculiar discrepency. As we all know the start of the RAM is at 16384 which is whe…
... is where the screen memory resides. The screen memory ends at 23296 ... is what on earth the memory before KSTATE and after the ... video memory is used for on a ...128 Memory PagingI'm having a problem getting my brain around paging. Well, actually the bit I don't understand is how reading I/O ports works! I hope the collective …
... />
Port 32765 controls the memory paging. Bits 0-2 determine ...ZX80/81 memory expansion and 48k + Lightpen for saleAll are in original packaging and the lightpen has it's software and manual. The memory expansion is a 16k one. E-mail me at [email="patrick@wych01…
All are in original packaging and the lightpen has it's software and manual.
The memory expansion is a 16k one.
E-mail me at [email="patrick@wych01.freeserve.co.uk"]patrick@wych01.freeserve.co.uk[/email] if intrested..memory is filled up under Win XP when opening many filesDear friends, I have the big and strange problem that ZX-Rainbow's game scanner is not working properly under Windows XP. I figured out (during a ti…
... in the virtual memory), so that the memory is filled up with ... the file stream, freeing the memory.
I wrote another testing ... the complete file content in memory.
The problem does ...Memory Available for 16k and 48kAm I right in thinking that if I am writing a 16k Game, I have 8k available for the machine code prog 6000h to 8000h, and for a 48k game I have 40K a…
... /> If so, what are the memory areas available for 16k and ...Strange layout of Spectrum video memoryHello, does anyone have an idea why the Spectrum's video memory has such a strange layout? I understand that a resolution of 256x192 is an easy mean…
... why the Spectrum's video memory has such a strange layout ... it easier to address video memory. I also understand that the ... ) are a compromise to limited memory. But where does the line ...what extra port for extra memory ? (256K, 512K, 1024K, etc.)I know that Pentagon uses some extra bits from port 7FFD for extra memory pging: - for 512K model, bit 6 & 7 of port 7FFD - for 1024K model, bit 5, 6…
... from port 7FFD for extra memory pging:
- for ... those bits for extra memory switching and if it ... / port DFFD for extra memory paging.
What is ... keep track of a memory bank number, by combining ... established port for extra memory, other than the Pentagon ...SPIN - debugger / fill memory / how ?I try to fill the screen with 00 value, but I don't get the expected result. - pause the game - debugger - hex numbers - fill memory block - fill wi…
...
- hex numbers
- fill memory block
- fill with 00 ...
- main memory
- start address - 4000
- ok
then
- view memory
- all screen data is ...Data at the top of memoryWhilst viewing memory locations on the "Spin" emulator I noticed data starting at 65336. Does a "real" ZX Spectrum 48k use the top end of available m…
Whilst viewing memory locations on the "Spin" emulator I noticed data starting at 65336. Does a "real" ZX Spectrum 48k use the top end of available memory ? If so, what is the last memory location that is safe to use ?Emulator Dev: Memory Use When Loading RZXsHi, I am currently working on a port of an emulator to a system with limited memory (64mb). I am running out of memory when loading large snapshots …
... to a system with limited memory (64mb). I am running out ... of memory when loading large snapshots (ie ... let me know how much memory is needed to decompress a ...Interface 1 Memory Map(I'm not sure which section this post should go in, but here seems as good as any) Since the Interface 1 ROM is only 8k long, does anyone know what …
... appears in the 8-16k memory range when IF1 is paged ...Wanted: Gamecube memory cardI'm looking to buy a gamecube memory card. I don't need a large capacity memory card but a card that can save information for upto 3 games will do. I…
... looking to buy a gamecube memory card. I don't need ... a large capacity memory card but a card that ... they own or a used memory card (in working condition of ...Wide sprites in SP1 + Z88DKThe calls to sp1_CreateSpr(); and sp1_AddColSpr(); seems to have changed. Could someone please offer help in how to create a wide (wider than 16 pix…
The calls to sp1_CreateSpr(); and sp1_AddColSpr(); seems to have changed.
Could someone please offer help in how to create a wide (wider than 16 pixels) sprite (preferably starting from SevenuP) using Z88DK and SP1.Background image with SP1 and Z88DKWhat is the prefered way to place an entire (or very large) image in the background when using SP1? Should I convert it to a long (32*24=768 ) list o…
What is the prefered way to place an entire (or very large) image in the background when using SP1? Should I convert it to a long (32*24=768 ) list of tiles or is there a better way?Emulator with ability to watch memory?Hi! I'm looking for an emulator that can give me a realtime update of an address in memory. I've tried Fuse (on OS X) where I can set a breakpoint i…
... update of an address in memory. I've tried Fuse (on ...Where do you keep your tape images? CD, DVD, USB drive or Memory Sticks?I have my most beloved games (well over 300 titles) on my SD memory card. What's your type of archive medium?
I have my most beloved games (well over 300 titles) on my SD memory card. What's your type of archive medium?Memory Map/ContentionHi I'm new to speccy coding (well I did some z80 coding a few years back - like 20yrs ago :) ), and I'd like to get back into writing some scrolling…
... this a correct map for memory contention?
Address Size ...
5B00-7fff 08k Contended Memory
8000-FFFF 32k Fast ... Memory (well normal memory really :) )
Cheers ...Spectrum Screen Memory MapWhat's the advantage (mistery?) behind ULA's spectrum screen memory interpretation? 6144 bytes divided into 3 blocks, 2048 bytes long. if you want t…
... ?) behind ULA's spectrum screen memory interpretation?
6144 bytes ... behind this implementation? Why screen memory isn't interpreted continuously?
128K memory testingDuring a mad half hour I decided to write a little memory tester program in BASIC using the information from the 48K service manual. Now I was wonder…
... decided to write a little memory tester program in BASIC using ...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…
... makes me wonder: How much memory does a Speccy have, included ... the memory used by the machine itself ...Issue 1 32K Memory Upgrade neededHi folks, as the title suggest im looking for the original sinclair memory board to make it 48k from 16k. Any other form will do or even instructions…
... looking for the original sinclair memory board to make it 48k ...
