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Scrolling Bi-Colour Engine for 4-Player GamesJust putting this code up for people to have a look at. Far from finished. Should simply compile and run a bit of a demo. Only good for 128K and +…
... add a,a ;a = y*16
rl b ;catch ... br /> sla c ;bc = y*2
ld hl,char_address ... /> ld bc,(SPRITE_BASE) ;b=X,c=Y
ld h ... /> ld a,(SPRITE_BASE) ;sprite Y
sub l
...
;now b=X, hl=attrs, sp=attr row table
REPT ... -
Zecut0r and ZAFA while ago (about 2 yrs)i took VbSpec and tried to port it to Delphi 6. Althought it was pretty weak, it. Meanwhile DelphiSpec 0.1 appeared and i wa…
... /> $i sptword.fth
;"ATTR Table Demo by Steve Parry ... /> ;"set print location"
."ATTR TABLE PAPER "
;"print message ... "
;"because we have y,y,x and x on the stack"
;" ... print the value of the attr"
;"in the current ... -
BASin release 12b available for downloadOk, there were a few nasty bugs in the last release, so in fine SPIN team tradition here's a new release that possibly fixes those errors. In this r…
Another bug (a very very very small and insignificant one):
The syntax helper for ATTR wrongly indicates (X,Y), but the function uses (Y,X), just like AT -
BASin release 12b available for downloadOk, there were a few nasty bugs in the last release, so in fine SPIN team tradition here's a new release that possibly fixes those errors. In this r…
... helper for ATTR wrongly indicates (X,Y), but the function uses (Y,X), just like ... -
BASin release 12b available for downloadOk, there were a few nasty bugs in the last release, so in fine SPIN team tradition here's a new release that possibly fixes those errors. In this r…
... helper for ATTR wrongly indicates (X,Y), but the function uses (Y,X), just like ... [/url]:
"ATTR: two arguments, x and y, both numbers; enclosed in ... -
BASin release 12b available for downloadOk, there were a few nasty bugs in the last release, so in fine SPIN team tradition here's a new release that possibly fixes those errors. In this r…
... helper for ATTR wrongly indicates (X,Y), but the function uses (Y,X), just like ... [/url]:
"ATTR: two arguments, x and y, both numbers; enclosed in ... -
BASin release 12b available for downloadOk, there were a few nasty bugs in the last release, so in fine SPIN team tradition here's a new release that possibly fixes those errors. In this r…
... for ATTR wrongly indicates (X,Y),
> but the function uses (Y,X), just ... properly in Chapter 16 as ATTR(line column). Well spotted. Ditto ... -
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…
... current attribute mask
uchar attr; // +6 current attribute
struct ... as the current print position (y,x); the current attribute and attribute ... by the corners (y=10,x=15) and (y=15, x=24) inclusive.
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…
... ;
case 0x14:
attr = *(++s);
break;
y,x) coordinate and returns the corresponding ...Something completely different (new game tech-demo)Since finishing Stranded 2.5 (available soon from Cronosoft - plug!) I've been playing with the idea of doing an attribute-based, rather than pixel-b…
... the SPACE INVERSErs
ATTR-ATTACK
ATTRIBUTE CLASH ...
B-ATTR-ies
B-ATTR-y Charger
x 13). I've also slowed ...'Hello World' in ASM ?Can someone show how to make the classic 'Hello World' print with ASM code ? I cant figure at this moment how to insert and handle strings with the s…
... =fog;447728]it would be "ATTR" ? $AB? for bright
$DA ... $y;CHR$x; will select AT y,x
PRINT CHR$23;CHR$y;CHR$x ... ; will select TAB x ...Frank N SteinThis one > [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0001849[/url] Always seems to crash about level 7 (maybe a bit more) or so with an …
... ATTR(x+2,y)=15 THEN GOSUB 3205: GOTO 1211
1205 IF ATTR(x ... ATTR(x+2,y)=6 THEN GOSUB 3500: GOTO 1211
1207 IF (ATTR(x ...
1208 IF (ATTR(x+2,y)2 AND ATTR(x+2,y)=69) THEN POKE ... /> 1217 IF (ATTR(x+2,y)>64 AND ATTR(xMachine 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 …
...
ld a, b ;compute attr address
and %0011000
ld a, 1 ;current attr
ld (bc), a
Control codes? 22(AT), y, x; 16(ATTR), attribute; 0(END)
Any ...Changing the colour Atributes at y,x (+3e BASIC)Hello there my fellow WoS'ers I am currently writing away on my +3e and I am wonder is there a way I can just effect the Paper / Ink attributes at Y…
... of an existing element at Y,X
such that at ... bright ?
perhaps using ATTR ?Changing the colour Atributes at y,x (+3e BASIC)Hello there my fellow WoS'ers I am currently writing away on my +3e and I am wonder is there a way I can just effect the Paper / Ink attributes at Y…
... of an existing element at Y,X
such that at ... on the screen as well. ATTR will only tell you what ...zx invaders on a real spectrum problemok i have not been using spectrum basic in years and i am rusty. I am making a space invaders type game and i got the movement on my ship (left and …
... y=rowstart to rowfinish step -1
* check for collision at y,x ... (eg. with ATTR)
* if true, leave ... in new square
* next y until rowfinish reached or collision ...Russian Pascal CompilerHello,<div><br></div><div>Unfortunately I started a discussion (as OutBush) on the Temporary Forum Board not knowing how long it would be until the W…
... x,y) - x=0..63, y=0..23TextColor(color)TextBackGround(color)Border(color)Color(attr ... ) - set a current attributes, attr=attribute ... screen is 0..31 x 0..23WindowClearWindowScrollUpWindowScrollDownWindowScrollLeftWindowScrollRightWindowGet - get ...Small Machine Code Routines Which Maybe UsefulAs part of creating Flynn's Adventure in Bombland I created a lot of little routines to do all sorts of things. A lot of these I created based on inp…
... new seg
;
get_char: ;x 8 by 8, BC at ... ;print at 1,y,x
dw setfontcolour ;2,ATTR
dw setdisplacement ...Screen$ (x,y)Hi everyone As you know, Screen$ doesn't recognize UDG characters. Is there any way to solve this problem? I want to "identify" an UGD character o…
... ) because then you can use ATTR to detect something; it's ... not my safe, empty space ATTR colour, GOTO (or GOSUB) other ... , it's (y,x), when printing on the screen, not (x,y) in Spectrum ...How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... equ %00111000
attr equ 22528 ; start screen attribute ... ink equ 16 ; ink , x (0-7,8)
paper ... equ 17 ; paper , x (0-7,8,9)
y , x (0-255,0-255)
How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... equ %00111000
attr equ 22528 ; start screen attribute ... ink equ 16 ; ink , x (0-7,8)
paper ... equ 17 ; paper , x (0-7,8,9)
y , x (0-255,0-255)
How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... equ %00111000
attr equ 22528 ; start screen attribute ... ink equ 16 ; ink , x (0-7,8)
paper ... equ 17 ; paper , x (0-7,8,9)
y , x (0-255,0-255)
How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... equ %00111000
attr equ 22528 ; start screen attribute ... ink equ 16 ; ink , x (0-7,8)
paper ... equ 17 ; paper , x (0-7,8,9)
y , x (0-255,0-255)
How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... equ %00111000
attr equ 22528 ; start screen attribute ... ink equ 16 ; ink , x (0-7,8)
paper ... equ 17 ; paper , x (0-7,8,9)
y , x (0-255,0-255)
How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... equ %00111000
attr equ 22528 ; start screen attribute ... ink equ 16 ; ink , x (0-7,8)
paper ... equ 17 ; paper , x (0-7,8,9)
y , x (0-255,0-255)
Random Smiley FacesAs promised, here's the Syntax: ;Startup 5 CLS 7 PAPER 0: BORDER 0 ;Graphics 10 FOR n=0 to 7 20 READ row: POKE USR "P"+n,row 30 NEXT n 31 DATA BI…
... ( RND* 7)
50 LET X = 1+INT ( RND* 30)
60 LET Y = 1+INT ( RND* 20)
71 PRINT AT Y,X; "P"
72 GO TO ...Calculate screenaddressWho knows where the topic about the fastest screenaddressroutine is? I can't find it in a search.. The fastest routine was to load a large table of …
... .
BC holds Y/X
[code]
LD ... part of lo-byte is X-dependent
LD L,B ... ; second part is Y-dependent
INC H
New Functions for Sinclair BasicA total of 52 new functions can be added to Sinclair BASIC; 26 numeric functions (A-Z) and 26 string functions (A$-Z$). Owing to the internal structu…
... FN A(x,y)=(128 AND INT (x/128)+INT (y/128)=2)+( ... 64 AND INT (FN V(x,128 ... INT (FN V(FN V(x,128),64)/32)+INT ( ... FN V(FN V(y,128),64)/32)=2)+(16 ... V(FN V(FN V(x,128),64),32)/16)+ ... V(FN V(FN V(y,128),64),32)/16)= ... V(FN V(FN V(x,128),64),32),16)/ ...Problem with rotating procedureHi folks! I wrote a proc in z80 asm, based on: x' = x * cos (z) - y * sin (z) y' = x * sin (z) + y * cos (z) I used a precalculated table of sin a…
...
x' = x * cos (z) - y * sin (z)
y' = x * sin (z) + y * cos ... ld (xr),de ;xr=x*cos(z)-y*sin(z)
...
; in: e - x, l - y
;============================================================================
putpx1: ld ...
