-
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…
... you become an expert asm programmer, you will still ... z88dk can accommodate your asm code for the heavy ... hash table, heap, queue and stack.
- im2 support has ... you can specify the location in memory of its ... can make the graphic pointer point at 0 and ... -
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…
... /> #pragma output STACKPTR=53248 // place stack at $d000 at startup
long heap; // malloc's heap pointer
void *u_malloc(uint size ... Variable to data Declared in ASM at End of File
z88dk sp1lib with fzxThe numbers dont seem to display properly? fzx by itself works [quote] // for targets supporting fzx // zcc +zx -vn -startup=31 -O3 -clib…
... = 0 // no exit stack
#pragma output ... Graphics Declared in external ASM File
< ... br /> void *joyfunc; // pointer to joystick function
# ... /> // Move Sprites to Initial Location
for ( ...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…
... SP1.LIB update list tail pointer
; * d4ee - d4ef ... br /> ; d100 - d2ff ------- z80 stack (512 bytes) set SP=d300 ... requires us to specify the location of the interrupt vector ... br />
[code]
#asm
XDEF _im2_vtable
DEFC ...Possibly a little OT: Exporting ROM function addresses to the Z88DKOK, so I'm using the Z88DK. It's entirely possible that some documentation has bypassed me. But assume I have a function in ROM, say, at address 0xF0…
... #define _MYROMADDR_H
#asm
defc bar = $0f00
location in memory -- these ... does not clean up the stack -- your function does. ... />
void *f; // function pointer
...
strtol("3456789", 0 ...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…
... 23606/23607, thus changing the location of the character set. On ... :
[code]
#asm
XDEF _std_seed
#endasm ... not allow properly declaring function pointer prototypes so I simply ... variables are popped off the stack and are no longer ...Learning Assembly LanguageHow easy would it be to learn assembly language for someone who has a decent grasp of Basic? I mean how long do you think it would take before I coul…
[QUOTE=ASM;488199]
[code]
; ...
inc hl ; Next attribute location
dec bc ; Length ... .
; > DE = Pointer to sprite definition
; > ... for SP change
ld (stack+1),sp ; Store SP using ...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…
... /> #pragma output STACKPTR=53248 // place stack at $d000 at startup
long heap; // malloc's heap pointer
void *u_malloc(uint size ... Variable to data Declared in ASM at End of File
Cross platform developmentI'm just vaguely considering supporting a few more retro 8 bit platforms for something I have in mind to do. Just Z80 and 6502 really, but that cove…
... header file in the standard location for stuff that comes with ... .c" L:103 Warning:#13:Pointer/pointer type mismatch
sccz80:"ex1 ... meant to be close to asm and the culture is the ... compiler needs to clear the stack of function parameters passed in ...endless runner project..So I'm thinking of writing a small tutorial series on writing games for the speccy in C, and figured that an endless runner would be an easy example …
... can correspond to a memory location holding a value.
pointer should be straightforward for asm programmers because that ... ... And you have buffer overflows, stack overflows, memory leaks and lot ...Tutorial - learn machine code in 30mins[B][I]Message from the moderators[/I] - bigjon has requested that readers' attention be drawn to a better version of this tutorial, one which is easi…
... type something like mc30mintut.asm into the save box ... showing where the machine stack is in the RAM ... push'. To write from the stack we use 'pop'. What ... algorithm -
Choose a location in ROM where the are ... score
pop hl ;empty stack
ei
ret ...Z80 'EXX' ConfusionI was working on a little Z80 routine last evening, and, having run out of registers, resorted to sticking one of the values into a memory location a…
... the values into a memory location and doing a little pushing ... use of a memory location and the stack for some careful EXXing ... as both a memory buffer pointer and as a loop counter ...tiny routine to shift RAMTOP & stackCompressing some data areas above RAMTOP and wanting to make the released space available for BASIC arrays, I needed to move RAMTOP without using CLE…
... reference the m/c stack at the old location, so this little ... are preserved, but the GOSUB stack still gets reset, as it ... enhanced to preserve the GOSUB stack as well, but then it ...simplest method to pass a string to m/code?The statement "RANDOMIZE numvar+USR mc" is a simple way of passing a single numeric parameter to a m/c routine, as mc can retrieve numvar from the to…
... the top of the calculator stack. I've been trying ... to adjust the machine stack and then a call ... string details onto the calculator stack before they can be ... FN statement using the DEFADD pointer; but that needs two ... code to set up a location for the name of ...Where do you stick the stack?...OK, so I've got a fair chunk of ASM code assembled from 24000 mark. The stack shouldn't get very big, just a few PUSHes and POPs of the main regis…
... chunk of ASM code assembled from 24000 mark. The stack shouldn't ...z88dk and im2I set up a minimal IM2 mode so I can draw sprites for a laff [code] #include <string.h> #include <stdio.h> #include <im2.h> #include <stdlib.h> #in…
... br />
#asm
... 1);
#asm
LD BC,37000
#asm
rst 56
... ; high byte of pointer table location.
ld i, ...that "listing variables during runtime" thingWell, I did eventually finish this, but with my meds playing up I don't have much time each day that I can spend at the computer, so it's taken rathe…
... (112 values). The location of the BLOCK set ... .co.uk/~jg27paw4/pourri/dumpvars.asm[/url]
NOTES:
stack correctly prior to ... .co.uk/~jg27paw4/pourri/scrdol0.asm[/url]
NOTES:
ASM and DumpVARS.ASM give examples ...Help me with this Stack overflow Freak Show.I am asking a simple question on Stack overflow and once again, the closed minded morons a pointing and tutting. I'm asking a question about C point…
... asking a simple question on Stack overflow and once again, the ... asking a question about C pointer.
I simply asked ... value from a pointer, and to declare a pointer (i,e, *). Instead ...I think my stack is in the wrong placeHi Im using SDCC and my game crashes for no apparent reason in the compilation arguments I put --stack-loc 60000 but im printing SP to the screen and…
... the compilation arguments I put --stack-loc 60000
but im ...
SP is the location of the stack right?
I ... a way of getting the stack location using an emulator?ZXSCLZF - Yet another Screen CompressorQuick disclaimer before I continue, this compressor does not shrink screens as small as some of the others posted here, in particular the very good z…
... store_c=store; // control byte pointer -> start of storage< ... code]
and the asm unpacker
[code ... hl,screen ; 10t - start location of the compression
... :
INCLUDE "scr.asm"
;;
;; code for ...How to write a simple C+asm horizontal scrolling game (Tutorial, z88dk)[b]How to write a simple C/asm horizontal scrolling game[/b] [b]Note:[/b] This tutorial has multiple parts... I am still writing but this first pa…
... up a good C/asm development environment can take ... void __FASTCALL__ scroll_left()
{
#asm
db 6,191,33 ... /> {
scroll_left();
#asm
halt
#endasm
stack and input and output ...New Compo IdeaI've had this idea and would like to know what do you think about it. I think that most of us here know how to code in BASIC. The problem with Specc…
... sets
---------------------------------------
The location of the charset being used ... 23607,194
The location of the UDG set is ... the address on the machine stack where the appropriate return data ...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…
... library. Copy it to "customize.asm", which will be the customization ... to sp1\spectrum\updater\SP1GetUpdateStruct.asm
Making the ... 't need it, set its location to $0000. The rotation table ... in the table is a pointer to a UDG character indexed ...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…
... this is the suggested location of the stack in the memory map ... will point at the embedded asm label "_frame02". In this way ... start.
[code]
#asm
di
#endasm
asm programmers to do the same ...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…
... copied into the correct location to replace already existing ... sp1[/B]_PreShiftSpr.asm
parameter fetching from stack changed
asm[/B]
rewrote ... \sp1\spectrum\updater\SP1RemoveUpdateStruct.asm[/B]
incorrect ...In Machine Code, what is the quickest way to sort bytes?I am playing around with some ordering of sprites, where I want to order them by vertical position. I used some Rodnay Zaks code to order some bytes…
... (by way of a pointer in IX) so that ... /libsrc/adt/heap/ADTHeapify.asm?revision=1.2& ... /libsrc/adt/heap/ADTHeapExtract.asm?revision=1.2& ... /z88dk/libsrc/stdlib/Lqsort.asm?revision=1.1& ... information is stored in the stack. Quicksort (even the misnomered ...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 …
... with function pointers since function pointer invocation assumes regular call linkage ... responsible for cleaning up the stack. So instead of this for ... have to be written in asm -- if you depend on ... is particularly scary, even for asm programmers as cpu speed is ...Noob to Z80 needing +3 helpI'm quite new to z80 programming, but i'm attempting to write some kind of windowing system that will run alongside BASIC on my +3 with Kempston mous…
... where i would put my stack).
[/quote]
location to bring along stuff ... to simply including text asm files in a project ... and rewrite everything in asm, giving options to include ... z88dk allows mixing C and asm code at will. This ...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…
... should know that C and asm are very similar and close ... it would be done in asm and the thinking behind an ... asm-equivalent solution.
Now ...
