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BIN shorter than NOT PI?Some time ago I checked many loaders and want to ask why coders are using BIN and not NOT PI? NOT PI is only 2 Bytes, BIN would be better if it would…
... /> A command like:
[B]POKE USR "a", BIN 10101010[/B ... the same as
[B]POKE USR "a", 170[/B]
function-word [B]BIN[/B] on ... -
New to developmentHello there my fellow forum chummies, I have recently been bitten once again to go into software development, its been a while. I have a lot of ski…
... and some VERY rudementary z80 ASM. I have downloaded TOMMY GUN ... It allows development of pure asm projects, C programs, or ... and Betiled contains some inlined asm to speed up object ... multidimensional arrays), proper typing of function pointers (I use void* as ... -
Interface One - New FunctionalityAs you may (or may not) be aware the Interface One is a pretty powerful piece of kit. One of it's greatest features is being able to easily extended …
[QUOTE=jp;365827]They are indeed excellent disassemblies, but they only deal with the implementation of POKE @.[/QUOTE]
DPEEK can be done with a function.
[url]http://scratchpad.wikia.com/wiki/DEF_FN[/url] -
Interface One - New FunctionalityAs you may (or may not) be aware the Interface One is a pretty powerful piece of kit. One of it's greatest features is being able to easily extended …
... can be done with a function.
[url]http://scratchpad ... deal with (PEEK @nnnnn) and POKE @nnnnn,nnn but need to ... -
DivIDE QuestionHi all, I've been trying to work out how the DivIDE works and after reading and re-reading the DivIDE programming model document by Zilog I think it…
... /> You can use the ROM function. Read the Shadow ROM disassembly ... of most interest are zeropage.asm (the RST 8 initial ... the do_callbas routine in trapdispatch.asm which calls the ZX ROM ... routine, do_rst8 also in trapdispatch.asm - where it figures out that ... -
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…
... ]void testqwertyiop(void)
{
#asm
dec e
// dec ... . It's funny since that function it's NEVER :o called ... seem to be related to asm inline, as the following code ... -
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…
... void testqwertyiop(void)
{
#asm
dec e
// ... mind that anything enclosed in #asm / #endasm is passed directly ... c file still represented with asm labels. External references might ... It's funny since that function it's NEVER :o called ... -
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…
... memory as part of its function) and the new stdio (not ... /> void my_isr(void)
{
#asm
push af
The XREF in the asm code segment above is only ... -
Randomize usrHi, I've often wondered why/how they came up with RANDOMIZE USR <memory address> to invoke machine code couldn't they have used a better keyword (e…
... /> 20 CLEAR 39999
30 POKE 40000,201 : REM RET
function, but the routine is called ... -
Speccy games programmingI've got a question. Where games written in pure machine code or was it a level higher with Assembly language being the choice? I always thought it…
... the only documentation on that function. There is no description. ... of documentation just means the function should operate as it ... entries used these to directly poke the udg data of ... has its own printat function and printstring function.
z88dk ... -
ANN: SE Basic Beta 2Somewhat surprisingly, and 10 years after I started it, SE Basic is pretty much finished. [url]http://bit.ly/d64mo3[/url] The main selling point, a…
... turning it on with a POKE? And how well does SE ... the 128K machines. It may function or you may experience
Problem with Spin 0.7s +3 file I/OI'm currently trying the +3 disk functions in z88dk. I've based my work upon the simple snippet Winston posted a while ago, but doing the contrary. H…
Target!
The POKE works, so the "A:SCR" ... "read and write" for "fopen()" function. How many flags actually supports ... for the low level "open()" function. Doesn't it support standard ...My first platformerHi all! How do you do? Been lurking here for a while, but never had the courage to join the forum. :) The Speccy was my first computer, so I've alw…
... about 4-5x hand written asm in size. Additionally, sp1 is ... )
{
//Call the library function to change the border colour ...New member here. And a spider! :)Hello everyone. My name is Sekrets. I'm quite a lonely individual, searching for a digital home where I might find fellow speccy enthusiasts to adopt…
... /z88dk/libsrc/spectrum/display/zx_pxy2aaddr_callee.asm?revision=1.1&view ... fewer than calling that dfloc function for each character square :-) In ... /z88dk/libsrc/spectrum/display/zx_saddrpdown.asm?revision=1.1&view ...Platform Game Designer 2Right, with Telly Heroes out of the way, I've decided to have a second attempt at this. I've ditched the old PGD2 source, and started again with the…
... setup (or slap in inline asm if I want) and do ... didn't like the malloc function. I gave up in the ...ZX BASIC (Boriel's Compiler) - LibrariesWell, we have a nascent option on a sprite library coming together, thanks to na_th_an's fourspriter being retooled for the job. It's not general pur…
... highlightning, code folding for SUB / FUNCTION / ASM / {, Brace highlightning, AutoREM for multiple ...How to insert special characters in Basic and ASM ?Look the next picture. [IMG]http://img25.imageshack.us/img25/9479/scode.jpg[/IMG] I dont know how to insert these black and diagonal characters. No…
... (what keys) or from the asm (what codes).
I ... :P[/QUOTE]
just poke the data into the UDG ...Full ASM code or a mixed solution ?Ok another important question. Building a program in asm, is it interesting that all the program is done in asm or always is interesting for some r…
... , to be used into our asm code.
What you ... ]
is than
[CODE]POKE a, n[/CODE]
you ...Building a menu in ASMWEll as probably some figured, i am learning asm at least to make the basic menu i did in basic. It is a menu where we can select games to be loaded.…
... the boot menu completely in ASM, you'll have to figure ... the value returned by USR function, and do a few IF ...Arrays in asm ?Just following the idea to make the menu entirely in asm, how can i handle arrays in asm to store the each game loader to be loaded ? thx in advance
There are no arrays in asm. There is RAM, which you can use any way you want. Imagine that BASIC had no array operations at all, and you have to use only POKE and PEEK.zxs v0.2 releasedI have released v0.2 of zxs if anyone is interested, judging by the response to the first release, I'd say not, but I'm gonna do it anyway!. It has h…
... :
10 PAUSE 1: POKE 22528,1: POKE 22528,30: GOTO 10 ... but obviously slows the freerun function down considerably. Zxs will have ...Howto paint a squared zone of the screen ?You know what guys ? i begin to love this languaje. Cant understand why not put more effort on the 80's to learn it :( because it is really speedy. …
... a few simple games in asm in 1990s. They were bad ... number as result of USR function.Compiling C.I have a bit of a question about the workings of a compiler. Suppose I wrote a small hello world in C, then I'd need to do [code] #include <stdio.h> …
... #include a file for a function you use you'll likely ... it can't see the function declaration. It's a good ... . The function declaration actually puts some symbols in the resulting asm, which ...Hi Res Print Routine neededHas anyone seen code for a print routine with pixel accuracy? That is print(y,x,CHAR) that allows 0 < y < 192 and 0 < x < 255 - that takes a charact…
... /sp1/spectrum/updater/sp1_UpdateNow.asm?revision=1.1& ... view=markup"]
sp1_UpdateNow.asm[/URL] is the code that ... software/sp1/spectrum/updater/SP1DrawUpdateStruct.asm?revision=1.2& ... char. The move sprite function probably requires changes as well ...BITWISE operators...Hi Folks, Another question - is there a way (fast) to do bitwise operations in Sinclair BASIC? Many thanks Paddy
... 64000
20 POKE 64000,10
30 POKE 64001,20
function to call the machine code ... parameters directly without needing to POKE values in.
[CODE ...Problem with pokesI can delete a poke as I entered a game?:-? For example: I entered a poke of infinite time, but for the next level, the timer to reach zero.As I ca…
...
I entered a poke of infinite time, but for ... do to make the timer function again?
poke for say infinite time. ... Rather than entering the poke you can PEEK the ... of memory that the poke changes FIRST using the ...How do you work with fonts on speccy?just curious really.. I know c64 workings, and obv. the spec you draw direct to screen.. on 64 , you'd make what would be equivalent to UDG.. and sa…
... by people getting used to ASM.
I used to ... this:
9000 POKE 23606,0 : POKE 23607,127 : PRINT AT ... X,Y;A$
9010 POKE 23606 ... ,0 : POKE 23607,130 : PRINT AT ...Help! Reverse engineering a Spectrum game[deleted]
... had a disassemble-to-file function which I used to create ... /Software/JSW/JGH/Docs/jsw48.asm]jsw48.asm[/url] was created with ...Help! Reverse engineering a Spectrum game[deleted]
[QUOTE=ASM;481611]Those twenty or so ... that many programs need to function.[/QUOTE]
I fail ...Help! Reverse engineering a Spectrum game[deleted]
[QUOTE=ASM;481656]Nope - Lol!
... for that elusive 'infinite lives poke'...
