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Is there a limit to the numberof variables you can have in BASIC..... Reason I ask is I've got an idea....but using my "lowest common denominator" approach to code I fear that I'…
... , you don't hava a char found, but this could be ... UDG.
To test this: SET 23607 to 61 (or 62 ... ) and do SCREEN$ again.
Set 23607 back to 60.
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…
[QUOTE=Timmy;594378]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 easy it actually is. (Actually I've already published this one some time ago, but this ...A new multicolor engine called BIFROST*I'm glad to announce the release of a new multicolor engine implemented by yours truly, including high quality 16x16 tiles designed by R-Tape: [IMG]…
... joykeys;
// Function to Set Up Keyboard as a Joystick ... i;
if (!(*(unsigned char *)65007))
{
// Loading ...type-ins in zmakebas formati were about coding some type-ins from MicroHobby magazine, and found that there are 'semanal' tape series available at http://www.worldofspectrum.or…
... , which tells the program to set the
Autostart word of ... .
finally, \\ gives a single \ char.
// BASIC LINES AND ... and reassembled later using the \ char:
10 PRINT AT ...Multicolour demo using z88dk + BIFROST* (+source)This is just a demo to show how to show multicolour using z88dk, using the BIFROST* engine (more info [URL="http://www.worldofspectrum.org/forums/sho…
... joykeys;
// Function to Set Up Keyboard as a Joystick ... i;
if (!(*(unsigned char *)65007))
{
// Loading Tiles ...Multicolour demo using z88dk + BIFROST* (+source)This is just a demo to show how to show multicolour using z88dk, using the BIFROST* engine (more info [URL="http://www.worldofspectrum.org/forums/sho…
...
; char *strsep(char ** restrict string_ptr, const char * restrict delimiter)
char **string_ptr
;
; exit : token found : hl = ptr, C flag set ... /> ; hl = char *s
; de = char *delims
; bc = char **string_ptr + 1 ...BorderTron 3000A little bit of speccy-related fun for a Friday afternoon... I've knocked together a program for Windows which I've called Bordertron 3000 (a suitabl…
... only really get two 3-char-wide "pixels" of colour either ... , D, E, H, L are set to one colour value each ... />
[QUOTE]When you set data to HL and use ...Outrun Europa - In colourAre there any coder's willing to see if we can put the colour into this game as originally intended?
... -overwrite just read attribute and set colour to white on black ... bytes of graphics in the char+ one byte of attribute[/B ...Outrun Europa in colourSwainy suggested that he'd like to try his luck with Outrun Europa colorful graphics and see if they can be improved. Let's give him the chance :) A…
... will be lost and char exported as empty so ... more) have flash bit set. As these graphics actually ... picture import
*when char is empty (filled with single ... graphics all 0s and set the ink as white
*each char is defined as left edge ...z88dk vs. sdccI've just read this article (in Spanish) [url]http://www.cpcmania.com/index2.asp?urldest=Docs/Programming/SDCC_vs_z88dk_Comparando_tama%F1o_y_velocid…
... jp nc, stdio_error_enomem_zc - 1 ; set serrno, return with hl=0 ... errno=ENOMEM, hl=0, carry set
ld hl ...
Besides use to set errno, many other library functions ... = void *s
; e = char c
; bc = uint n ...Beginner questionThis might sound and be daft.... I've just been reading J Cauldwell's "how to write a Spectrum game" but was thinking of writing something in C as I…
... [code]
int score;
char *s;
[/code]
... br /> [code]
extern unsigned char spritedata[];
#asm
The unsigned char array type allows the set of bytes at ... the declaration "extern unsigned char *spritedata;" has a very ...Outrun Europa - In colourAre there any coder's willing to see if we can put the colour into this game as originally intended?
... an image of the complete set of Master System graphics and ... built of the same 8x8 char as background, in SMS there ...Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
... value in the alternate register set later)
...
nope within a char cell only
... de,16640 ;screen address (char top and one line ... find graphic corresponding to char
ld l, ... ;
push de ;save char cell top
...Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
... /> Haha.
For 127 char$ you'll need a 'fontset ... willing to put the full set together :-D?Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
... =R-Tape;632311]For 127 char$ you'll need a 'fontset ... willing to put the full set together :-D?[/QUOTE]
For ... screen) background from a limited set of UDGs it looks usefull ...ZX-Paintbrush 2.2.1 releasedDear readers and friends of ZX-Spectrum emulator stuff! Today I released the version 2.2.1 of ZX-Paintbrush with interesting new features and many b…
... -175) and the bottom two char-row shouldn't have coords ... also greatly enhanced its feature set and now mean that I ...Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
... the method used in Jet Set Willy and use the ... print position back
; Set attribute
; -------------
PUSH ... HL),A LD (HL),A ; Set screen attribute
POP HL ... bytes
; 524T per char 493T per char
[/code]
See ...Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
... the method used in Jet Set Willy and use the ... print position back
; Set attribute
; -------------
PUSH ... HL),A LD (HL),A ; Set screen attribute
POP HL ... bytes
; 524T per char 493T per char
[/code]
See ...Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
... really, as the ROM character set actually starts at &3C00 ... are at &3C00+8*char.[/QUOTE]
Notice ... this is the code that Set Willy uses:[code]LD H ... ; Copy character to L
SET 7,L
ADD HL ... can even be used for char codes above 127 :)Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
...
;
; carry set, hl = NULL if char *string == NULL
; carry ... set, invalid base returns empty ...Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
... /> ; enter : hl = char *s2
; de = char *s1
;
... set
; de = ptr in s1 to first differing char ... /> call l_ltu_dehl ; carry set if lo < hi ... /> call l_ltu_bchl ; carry set if j < ( ...Good character sets ?Just wondering if anyone had any favourite character sets ? :) The one in SE basic is quite nice and I'm aware (I used to have it in my head I'm sur…
... -ins/popcomwk/pcw8511.zip]Character Set[/url] in a sedate manner ... /> Finally this rather neat italic set is one of [url=http ... -ins/yoursinc/ys9304pp.zip]Four Char Sets[/url] by Guy Palmer ...BIFROST* Advanced Programming - part 4In previous posts I demonstrated how to move multicolor tiles up and down smoothly by a single pixel, and sideways by an entire char (8 pixels). Thi…
... then move the sprite one char and start the animation over ... is that in [I]Jet Set Willy[/I] some of the ...BIFROST* Advanced Programming - part 4In previous posts I demonstrated how to move multicolor tiles up and down smoothly by a single pixel, and sideways by an entire char (8 pixels). Thi…
... then move the sprite one char and start the animation over ... is that in [I]Jet Set Willy[/I] some of the ...WibbleBibble's Basic threadHi in an attempt to keep my questions from spamming the forum. I think its better to put them all in one place. Thanks everyone so far, I feel I am …
... />
I reduced the number set, its only whole numbers now ... in a char array.
example, I want to set up ...What Spectrum projects (Software/Games/Utility)(Hardware)(Others) are you working on?So, basically that :) You dont have to give names or more clues if you dont want to ;) Also, if you are working on more than one, you can tell all of…
... there's an alternate register set. It doesn't cost much ... a buffer consisting only of 'char cell tops' (each 'tile' is ...UDG in AssemblyHello there my fellow WoS'ers I am currently having a play with z88dk and PASMO and would like to have some fun with some UDG's so is there a tutor…
... single character from your own set.
Actually, before I ...
ld a,1 ;char to draw
ld b ...Newbie says 'Alreet?'Hiya dudes, Just dropping a line to say hello as i've decided at 33 to try and fulfill a long time ambition to write a speccy game in machine code..…
... /> -each line [U]within a char [/U]is 256 bytes apart ... , this is moving within a char cell, and is the fastest ... a has not overspun and set the carry
ld ... ;so the carry is not set and we continue
sub ... 0 but the carry is set as it overspun, RET with ...Machine code RST10 problemHello! After 27 years of playing with Spectrums I'm starting to look into doing assembly language properly. All went swimmingly well until I wrote …
... /> BIT 7,A ; Char with Bit 7 set signals end of message ...Red DwarfA Red Dwarf video game - good or bad idea? (given its recent resurgence in popularity in the UK) My ideas: [b]Plots[/b] - An interquel which bridg…
... screen layouts based on 4x4 char tiles made up from 256 ... we get away with Jet-Set-Willy style, where we just ...
