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The Only Reason Sinclair Succeeded (Provoking Controversy)Although I love my Sinclairs dearly, I think that the only reason they succeeded was because at the time most people did not know any better (factori…
... 't have to convert from x,y to screenbuffer offset, no copying ... -
Pixel Explosion CodeJust a little snippet to cause explosive effects. It uses table lookups for the screen address, and can handle up to 32 pixel particles. A particle…
... ld a,(hl) ; a = x byte (e.g. if xpos ... has proper address for x,y position
; ... ld a,(hl) ; a = x byte (e.g. if xpos ... has proper address for x,y position
; ... -
Pixel Explosion CodeJust a little snippet to cause explosive effects. It uses table lookups for the screen address, and can handle up to 32 pixel particles. A particle…
... />
ld a,(hl) ; a = x byte (e.g. if xpos ... now has proper address for x,y position
[/code]
Pixel Explosion CodeJust a little snippet to cause explosive effects. It uses table lookups for the screen address, and can handle up to 32 pixel particles. A particle…
... />
ld a,(hl) ; a = x byte (e.g. if xpos ... now has proper address for x,y position
[/code]
Byter and U.F.O. by Protek?Who says these are available for the Speccy? I've often wondered where this info comes from - any info I've seen shows these as available for the ZX-…
... collection and I have game X, Y and Z on tape. I ...Font centering problemA while back today, I started coding a simple Othello/Reversi game in BASIC, with the precious aid of BASin (great tool, hope it eventually becomes b…
... PRINT AT x,y;FLASH 1;" ";FLASH 0 command, where x,y denote the ...Font centering problemA while back today, I started coding a simple Othello/Reversi game in BASIC, with the precious aid of BASin (great tool, hope it eventually becomes b…
... ,0;num
20 FOR x=1 TO 6
30 ... FOR y=1 TO 6
39 ... /> 40 IF POINT (x,y) THEN PLOT x+pos1,y+pos2: GO TO 50 ... POINT (x+pos1,y+pos2) THEN OVER 1: PLOT x+pos1,y+pos2: OVER ... 0
50 NEXT y: NEXT x
Font centering problemA while back today, I started coding a simple Othello/Reversi game in BASIC, with the precious aid of BASin (great tool, hope it eventually becomes b…
... /> 60 REM in c$ at x, y
70 LET pos=CODE ... +chs
80 LET y1=y
90 FOR i=0 ... (pos)
110 LET x1=x
120 FOR j=0 ... /> 240 LET x=n*6
250 LET y=175-n*7 ...Oh so BRIGHT!What is the SLOWEST way to change the attribute area to BRIGHT? It has to be legit! No meaningless instructions or doing stuff for the sake of it. …
... (y,x+1)>127 AND ATTR (y,x+1)64 OR (ATTR (y,x-1 ... )>127 AND ATTR (y,x-1 ... )64 OR (ATTR (y+1,x ... )>127 AND ATTR (y+1,x ... )64 OR (ATTR (y-1,x)>127 AND ATTR (y-1,x)Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …
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[code]
10 LET x = IN 64479
20 LET ... y = IN 65503
30 IF ... IN 64223 = 255 THEN PLOT x,y AND yIssue 3 feedbackSome have noticed that Issue 3 is available. It wasn't announced at the time due to it being 5am.. You can leave feedback here....
... -Q1 */
x = t * q0x + (1-t) * q1x
y = t * q0y ... -t) * q1y
plot (x,y)
next t
[/code ...Aggravating problem with screensI've rewritten my Sam C runtime emulator code ( well almost ) to allow me to use my own routines for blitting sprites onto the screen, storing tiles …
... of sprite memory location, target x,y which it will do at ...Battle of Games 7 - Shoot-emups 2Greetings ladies and gentlemen :) Welcome to Part 2 of the shoot-em-up battle. Again, as in battle 6, we'll have a [b]multichoice[/b] battle with som…
... -oriented scroller SEU, with [b]x-axis ship command[/b] possibilities ... , which shoots in the y-axis and z-axis. Star ... vector-oriented game, with [b]x, y and z-axis Crosshair and ...Battle of Games 7 - Shoot-emups 2Greetings ladies and gentlemen :) Welcome to Part 2 of the shoot-em-up battle. Again, as in battle 6, we'll have a [b]multichoice[/b] battle with som…
... -oriented scroller SEU, with [b]x-axis ship command[/b] possibilities ... , which shoots in the y-axis and z-axis. Star ... vector-oriented game, with [b]x, y and z-axis Crosshair and ...Cybernoid editorSo, my long tern goal is to make my own Cybernoid or Rex like game (see an ancient thread about Sprite advice)...but my skills are somewhat lacking..…
... what is V E R Y S L O W since ... can be easily calculated directly x,y cursor coordinates by adding them ... by:
POKE (22528+x)+(y*32), newattr1. etc.
TommyGun 0.9.x updates** Should be available via the utilities page soon! Please be patient :-) ** I'll be posting all future updates in this thread, instead of creating …
... scale some palettes in the x/y directions its under the settings ...Kempston mouse emulationOK, so I've read the FAQ and can understand how to "do" a mouse in an emulator. Just to be clear about it though, perhaps someone could be kind enoug…
[QUOTE=Laser;176247]The x/y counters roll round in the 8-bit byte (...254,255,0,1...) effectively just representing accumulated delta mouse movements, not just absolute screen x/y co-ords, right?
[/QUOTE]
Yes, that's right.Getting scr addresses from x and yCould someone please tell me how to calculate the 8 screen addresses corresponding to a character printed in basic at coordinates x and y? For examp…
In BASIC:
[CODE]
DEF FN a(y,x)=16384+x+(y-INT (y/32))*32+INT (y/8)*2048
[/CODE]Getting scr addresses from x and yCould someone please tell me how to calculate the 8 screen addresses corresponding to a character printed in basic at coordinates x and y? For examp…
... FN a(y,x)=16384+x+(y-INT (y/32))*32+INT (y/8)*2048
y,x)=16384+x+(y-INT (y/8)*8)*32+INT (y/8)*2048 ...Getting scr addresses from x and yCould someone please tell me how to calculate the 8 screen addresses corresponding to a character printed in basic at coordinates x and y? For examp…
... FN a(y,x)=16384+x+(y-INT (y/8)*8)*32+INT (y/8)*2048 ... /> DEF FN a(y,x)=16384+x+32*y+1792*INT(y/8)
[/code ...Getting scr addresses from x and yCould someone please tell me how to calculate the 8 screen addresses corresponding to a character printed in basic at coordinates x and y? For examp…
... FN a(y,x)=16384+x+(y-INT (y/8)*8)*32+INT (y/8)*2048 ...Getting scr addresses from x and yCould someone please tell me how to calculate the 8 screen addresses corresponding to a character printed in basic at coordinates x and y? For examp…
... the screen at a certain x,y coordinate.
To do what ...Getting scr addresses from x and yCould someone please tell me how to calculate the 8 screen addresses corresponding to a character printed in basic at coordinates x and y? For examp…
... ]
LET a$="16384+x+32*y+1792*INT (y/8)"
[/code ... you have to use the x,y vars all the time as ...Getting scr addresses from x and yCould someone please tell me how to calculate the 8 screen addresses corresponding to a character printed in basic at coordinates x and y? For examp…
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[code]3000 LET x=0: LET y=0: LET z=127 ... /> 3130 POKE 22528+x+(y*32), (z-PEEK (22528+x+(y*32)))
3138 ... LET x1=x: LET y1=y
... IF INKEY$="q" THEN LET y=y-1: IF y23 THEN ... LET y=0
3160 IF INKEY$="o" THEN LET x=x- ...Getting scr addresses from x and yCould someone please tell me how to calculate the 8 screen addresses corresponding to a character printed in basic at coordinates x and y? For examp…
... +x+(y*32), (z-PEEK (22528+x+(y*32)))
3131 POKE 22528+x+a+(y ... +x+(y*32), (z-PEEK (22528+x+(y*32)))
3176 POKE 22528+x+a+(y ... +x+(y*32), (z-PEEK (22528+x+(y*32)))
4131 POKE 22528+x+a+(y ...Getting scr addresses from x and yCould someone please tell me how to calculate the 8 screen addresses corresponding to a character printed in basic at coordinates x and y? For examp…
... can
a) handle your (y,x) to screen address and
x&y to a defined address ... transfer a window defined by x,y, width and height?
Getting scr addresses from x and yCould someone please tell me how to calculate the 8 screen addresses corresponding to a character printed in basic at coordinates x and y? For examp…
... +x+(y*32), (z-PEEK (22528+x+(y*32)))
3131 POKE 22528+x+a+(y ... *32), (z-PEEK (22528+x+a+(y*32)))
3132 POKE 22528+x+((y ... +b)*32), (z-PEEK (22528+x+((y ... x and b+y to y rather than from x to x+a and y to y ...Getting scr addresses from x and yCould someone please tell me how to calculate the 8 screen addresses corresponding to a character printed in basic at coordinates x and y? For examp…
... copies a character from coordinates x&y to a defined address ... transfer a window defined by x,y, width and height?
QUOTE ... need to poke 4 addresses (X, Y, W, H) and call one ...Where to start?Hi all, I wanna start coding something for the speccy. I have good experience at C/C++ and some other languages. I have coded asm on pc too, and ma…
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[CODE]LD HL, 256*x+y[/CODE][/QUOTE]
Not ...
