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Lesser used BASIC commandsAre there any interesting articles or books that explore some of the lesser used BASIC commands/functions e.g. DEF FN, IN, OUT etc? The Spectrum BAS…
... loaded up correctly before calling (SP1 and a few other modules ... 6 bytes or so of memory reserved for variables and a ... manuals document the uspeech's memory mapped variable space. Here's ... -
Timex Sinclair 2068Hi guys. This is my first post here, the first of many, I hope.. :) I have a Timex Sinclair 2068 but don?t know much about it. It was given as a gif…
... the 2068, the display memory is mapped into the z80 ... the msx the display memory is owned by the ... as fast to manipulate screen memory as the msx. But ... possible by the quick display memory access, but msx scrollers ... far as I understand in SP1 there are built in ... -
Timex Sinclair 2068Hi guys. This is my first post here, the first of many, I hope.. :) I have a Timex Sinclair 2068 but don?t know much about it. It was given as a gif…
... to grab the latest z88dk+SP1?[/QUOTE]
I've ... /libsrc/sprites/software/sp1/spectrum-sp1.h?view=markup"]sp1.h[/URL] header ... mean an extra byte of memory used for struct_sp1_updates per character ... eg, a 32x24 screen means SP1 needs 6912 bytes for the ... -
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…
... bit entries are taken as memory addresses storing 8-bytes of ... z88dk/z88dk/libsrc/sprites/software/sp1/spectrum/sprites/draw/SP1Or1Data.asm ... and composite tiles: the SP1 way of doing things is ... into that double buffer. SP1 will just read background graphics ... -
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…
... by SP1 are fully customizable so you can make up whatever memory ... data is paged in while SP1 is drawing the screen. Though ... -
Small C on Sam help neededI'm trying to make good on some of my old developments that fell by the wayside and one of them uses Small C. The reason I stopped was down to not h…
... no crashes, no out of memory errors, more features, etc ... malloc to get near memory in multiple memory banks) and the ... far memory model (which isn' ... Sam) where the entire memory space can be linearized ... in C with the SP1 sprite library (actually its ... -
Help understanding some z80 asmI'm trying to work out how to represent the structure of a "sprite" in the SAM as "Grabbed" by SmallC. I can see the assembler implementation but I …
... :-) In particular I think the SP1 sprite engine might be interesting ... write 16 bit numbers to memory faster than two 8-bit ... -
CEZ-GS strikes back with new Spectrum stuff...Something new is aproaching...March 10th will be a great day for our Spectrum! as you can read in this news... [url]http://computeremuzone.com/?id=n…
... you specify the locations in memory for all the data structures ... serious look at the large memory model.
[quote ... have been made to im2, memory alloc, etc under the " ... 4. platform independent functions" heading. SP1 is still not documented except ... -
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…
... documentation in there now. SP1 only has a cover page ... make the final changes to SP1 in cvs (except collision ... z88dk/z88dk/libsrc/sprites/software/sp1/spectrum-customize.asm?revision= ... != 0 indicates an absolute memory address where background graphics are ... -
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…
... lower (to address 53248; memory map details are always documented ... z88dk/z88dk/libsrc/sprites/software/sp1/spectrum-customize.asm?revision= ... .asm[/URL] file) as SP1's data area has increased ... just went ahead and malloced memory for the independent struct_sp1_cs ... -
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…
... to be loaded into memory at a specific memory address. (z80asm can ... my tree of z88dk and SP1 libs. This irretates me because ... -
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…
... the screen area of the memory is done when the TV ... the logic is. In the SP1 engine (link below) this is ... -
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…
... default memory map (z88dk/libsrc/sprites/software/sp1/spectrum ...
BAQTBL(2) // two memory queues
/*****************END ... ba_Malloc(1); // allocate memory for char structs from ... -
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…
... screen (except the sprite package sp1); will also have the scroller ... for these globals at specific memory locations once we have gotten ... br />
"s" is the memory address of a string (recall ... and writes the result into memory at the address specified. We ... -
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…
... in order to save on memory) and this change will ... few variables are initialized. The SP1 struct "struct sp1_Rect", [URL ... z88dk/libsrc/sprites/software/sp1/spectrum-sp1.h?revision=1.18 ... "sp1_IterateUpdateRect()" with a struct SP1 uses to describe the background ... -
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…
... game must have enough available memory for four AI player structures ... we'll be using the SP1 library contained in z88dk to ... duties. "sprite" points at an SP1 structure that controls a sprite ... at specific locations in memory once a memory map has been determined ... -
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…
... players between memory address "p" and memory address "g_players ... />
Internally SP1 divides sprites into their characters ... character-size pieces. The SP1 function "sp1_InterateSprChar()" allows ... /software/sp1/spectrum-sp1.h?view=markup"]sp1.h[/URL ... -
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…
... for you, except for the SP1 sprite library. For that you ... header file or 2) compile SP1 yourself which is very easy ... of being able to customize SP1 to non-default values (such ... area to save on memory or choosing another memory map).
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…
... "player.c" that will deallocate memory automatically allocated by the sprite ... in the format z88dk's SP1 library requires so one of ... graphics so if TG supports SP1 at a later date importing ...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…
... is memory requested by the program while it runs. The sp1 library ... requests some available memory (any memory address will do ... php/library:memory_allocation#malloc_or_balloc_which_to_choose"]z88dk memory allocation wiki page[/URL]). ...New assember ideaAs i work with Eclipse IDE in my job i become more and more lazy. This leads me to idea that it is time to left Notepad+Tasm combo behind and move on…
... Just as an example, the SP1 sprite library probably contains about ... is a dynamic memory allocator that allocates memory from a set ...
to indicate that the memory block 40000-44999 should be ... made available for dynamic memory allocation.
The ...splib2 from ROMI'm trying to generate IF2 ROM games for ZX Spectrum 16K using z88dk + splib2. So far I've managed to create a new crt0 file and to generate valid RO…
... /> Now if you were using SP1 this would be very easy ... structures at specific places in memory :P splib2 is harder as ... be easier to switch to SP1 (it has the sp1_Initialize, sp1_CreateSpr ... newer version of the block memory allocator ("balloc") in the current ...splib2 from ROMI'm trying to generate IF2 ROM games for ZX Spectrum 16K using z88dk + splib2. So far I've managed to create a new crt0 file and to generate valid RO…
... :
I will use SP1 soon, I'm just getting ... which can be plenty of memory. Providing a way for people ...Development IDE collaborationI was wondering if other people making development IDE's (MetalBrain, LCD , Claus Jahn and Carlinski as far as I know) would be interested in combini…
... Spectrum, C64 and CPC video memory layout is.
At the ... problems. I know with the SP1 engine in z88dk it will ...Z88DK fun and gamesHi, I was wondering if anyone here uses Z88DK with TommyGun and knew about how to link the two together (e.g. how do I use a screen, sprite or map e…
... going to run out of memory quickly :D If the ... an alias for a fixed memory address but a pointer ... " which is collecting the memory address of the array which ... an asm label for a memory address and this latter ... is to look into the sp1 engine which does support ...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…
... 's a fast function in SP1 that will recolour a sprite ... trouble (althought to save on memory it's best to algorithmically ...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…
... TG and TG now supports SP1's crazy output format, I ... good guess at how much memory the entire program will require ... or so of data area SP1 reserves by default and we ... intro to worry about yet. SP1 can be configured to be ...z88dk 1.8 releasedSince I am the most regular of the z88dk peeps to post here I might as well let you all know that v1.8 has been released. [code] A little later than…
... the sp1 library.
Default (and customizable) memory map ... z88dk/libsrc/sprites/software/sp1/zx81hr/zx81hr-customize. ... z88dk/libsrc/sprites/software/sp1/ts2068hr/ts2068hr-customize.asm ... z88dk/libsrc/sprites/software/sp1/spectrum/spectrum-customize.asm ...z88dk 1.8 releasedSince I am the most regular of the z88dk peeps to post here I might as well let you all know that v1.8 has been released. [code] A little later than…
... given that the chip is memory mapped, each platform is going ... select i/o port mappings, memory mappings, etc at compile time ... porting of sp1 to new targets that have different memory maps and ... that would list desired port/memory mappings and then you compile ...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…
... the picture.
Since SP1 will be handling the sprites ... this idea with how SP1 performs sprite animation. SP1 generates a sprite ... *2*8 = 48 bytes of memory. If this sprite has 8 ... lot longer, taking up more memory, and quite frankly annoys the ...
