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Can a guy that traveled on the short bus learn machine code...Hmmm So after some soul searching I figured it was time to finaly nail spectrum machine code. Its so frustrating to sit infront of a basic listing w…
... />
Well as INC seems pretty well covered. I ... input program a bit more flash - to keep my ... to be circular when using INC and DEC...
Intreting feature of both INC and DEC opps is they ... program counter is able to inc on its cycle.
... -
Clashbasher a new interface to reduce colour clashI've been working on this for a while now. [IMG]http://markamy.uwclub.net/cauldron.JPG[/IMG] Basicly its an add on for a 48k spectrum, which reinte…
... moves all the colour and flash info.
It also ...
mark rr (hl)
inc hl
djnz mark
ld a,h
inc h
and $07
A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…
... a UDG's data, you INC the high byte, not the ... />
You could use the FLASH bit to indicate transparent PAPER ...Animated attribute revealA new challenge to solve next. I would like to create an animated attribute reveal in machine code by having my 768 byte attributes held in ram whic…
... . I originally had it toggling FLASH with an "xor 128"where ... ,hl
and 7
inc a
cp c ;check ...Animated attribute revealA new challenge to solve next. I would like to create an animated attribute reveal in machine code by having my 768 byte attributes held in ram whic…
... 11000000
and b ;get FLASH/BRIGHT
or (hl)< ... /> jp z,INK_OK
inc (hl) ;increment screen INK directly ... INK_OK: ld bc,(CHANGED)
inc bc
ld (CHANGED),bc ...Colission detection problems.G'ah...it's always the same (I've asked before too) - I'm always struggling when it comes to doing box colission checks, so I'm basically hoping you …
... /> LD (IX+5),246 ; Flash sprite
DEC (IX+7 ... /> RET Z
INC L
DJNZ SHOTLOOP< ...
NXTSHOT1 INC L
NXTSHOT2 INC L
DJNZ ...Mercenary 1+2 CompendiumDear all users of +3 disks, I am an eager fan of Mercenary game, in which I made a good deal of progress years ago. I was looking for some standart …
... be copied to a +3e flash card or hard disk. So ... /> LOAD ld a,255
inc a
jr nz,CELY_ADR ...Spectrum screen layoutSeeing the thread on displacement I was wondering why the spectrum had the stupid screen split into three sections and the addresses for each section…
... one bit of attributes for flash by the way).
INC H[/B] while being in ...
[QUOTE]GoPixelLineDown
INC H
LD A,H ...Fast and easy read/write of attributes?What are the fastest or easiest ways to check the attributes of tiles on the screen, in BASIC? It seems to be a great way of storing object info. …
... /> EDIT: Damn, forgot bright and flash, :/
[CODE]
ld (hl), e
inc hl
dec bc
bright: defb 0
flash: defb 0
byteloop: defw ...Help with Manic Miner tweaksPlease. :) This is the Software Projects version, simply as I had it to hand. [B]Problem 1:[/B] I've learned a bit (actually quite a bit) and manag…
... life.
LD A,8 ;Flash the screen 8 times
INC A
LD (NOMEN),A ... , roll over to '0'
INC (HL) ;Otherwise it's just ...Why no PLOT, etc. on bottom two lines?I was pondering if there was any way to get PLOT, etc. to address the full screen from BASIC without having to write a few lines of assembler to bypa…
... .
I suggest using FLASH to call the routine as ... always be false (ie. always FLASH 0). This method makes it ... /> ;Full Screen PLOT
;Syntax: FLASH x=y+USR Plot191
ld b,a
inc b
ld a,1 ...Why no PLOT, etc. on bottom two lines?I was pondering if there was any way to get PLOT, etc. to address the full screen from BASIC without having to write a few lines of assembler to bypa…
... =0 to +191
;Syntax: FLASH x=y+USR Plot191
ld b,a
inc b
ld a,1 ...Detecting flash mode inversionsIs is possible to detect with certainty when flashing characters change from normal to inverted and vice-versa?
... routine with its own FLASH table specifying which characters ... r[/code]
[code]; flash a character-based rectangle
inc de
djnz LOOP2
inc d ;increment line D= ...Detecting flash mode inversionsIs is possible to detect with certainty when flashing characters change from normal to inverted and vice-versa?
... counter.
[*]The FLASH synch offset is returned in ... ,6
ld de,FLASH
and %00011111 ;A ... ;$FF=no key
inc a
jp z, ... call $028E ;KEY_SCAN
inc e
jp nz,LINE3 ...2014 Games ListNote: Due to forum update policies, the latest version of the list will always be found somewhere near the end of this thread. [old] Any problems …
... ] [I](maze game, port from flash game)[/I][[URL="http://retrogamesbattle ... 2014
[B]Micro INC[/B] [I](puzzle)[/I][[URL ...2014 Games ListNote: Due to forum update policies, the latest version of the list will always be found somewhere near the end of this thread. [old] Any problems …
... ] [I](maze game, port from flash game)[/I][[URL="http://retrogamesbattle ... 2014
[B]Micro INC[/B] [I](puzzle)[/I][[URL ...2014 Games ListNote: Due to forum update policies, the latest version of the list will always be found somewhere near the end of this thread. [old] Any problems …
... ] [I](maze game, port from flash game)[/I][[URL="http://retrogamesbattle ... 2014
[B]Micro INC[/B] [I](puzzle)[/I][[URL ...Small Machine Code Routines Which Maybe UsefulAs part of creating Flynn's Adventure in Bombland I created a lot of little routines to do all sorts of things. A lot of these I created based on inp…
... /> ld (de),a
inc d
inc hl
djnz plefthalf ... /> ld (hl),a
inc h
inc de
djnz prhlp ... ix+1) ;xcor
inc ix
inc ix
call xy2cell ... br /> ld (font_disp),a
inc ix
ret
;
What am I doing wrong here?[code]IF INKEY$=SCREEN$ (21,4) THEN LET SCORE=SCORE+1[/code] It's delivering a positive every time.
... =(DEFADD)
inc hl
inc hl
inc hl
inc hl
inc sp
inc sp
pop hl ... ; AT r,c; OVER 1; FLASH 1;" "
111 NEXT c ...Full-screen 32 columns bicolor engine NIRVANA+I'm glad to announce the release of [b]NIRVANA+ ENGINE[/b], providing support for bicolor graphics (multicolor 8x2) in 32 columns for all standard Sp…
... FLASH
pop de
push de
inc ... or a ; for flash attribute
jp m, FLASH
...Can't Get My Simple Code To RunHello again, I'm trying to run the following simple code: [code] org 32768 main ld b, 21 ; x coordinate is …
... -+ instead before calling
ploop: inc hl
ld a,(hl ... ,x (0-7)
flash equ 18 ; flash,1 (0-1)
Loadsa bullets on screen (silkworm)Did games like silkworm just draw everything to the screen or did they have complicated optimisations? and the types of games where sprites can occu…
... order: background (regular black / white flash) by PUSH instruction, stars, bullets ... unrolled RL(HL) \ INC L or unrolled RLD \ INC L (shift by ...Why no PLOT, etc. on bottom two lines?I was pondering if there was any way to get PLOT, etc. to address the full screen from BASIC without having to write a few lines of assembler to bypa…
... you don't like using FLASH & BRIGHT to hang ... 191 STEP 191
23 FLASH x=y+USR p191: REM ...
ld b,a
inc b
ld a,1 ... /> ld a, c
inc a
add a,l ...printing to the screen using pokei remember there being a way to print to the screen using pokes, which would allow you to print a character anywhere in the 175x255 matrix. can anyon…
... call PRINT
inc de
jr ... attributes
ldir ;FLASH 1, BRIGHT 1, ... de),a
inc hl
inc d
djnz ... pop hl
inc l
bit ...printing to the screen using pokei remember there being a way to print to the screen using pokes, which would allow you to print a character anywhere in the 175x255 matrix. can anyon…
... call PRINT
inc de
jr ... attributes
ldir ;FLASH 1, BRIGHT 1, ... de),a
inc hl
inc d
djnz ... pop hl
inc l
bit ...printing to the screen using pokei remember there being a way to print to the screen using pokes, which would allow you to print a character anywhere in the 175x255 matrix. can anyon…
... attributes
ldir ;FLASH 1, BRIGHT 1, PAPER ... de),a
inc hl
inc d
djnz ... /> pop hl
inc l
bit 5 ... res 5,l
inc h
L2: ld ...50Hurts - Full-screen 50Hz 1-pixel scrolling on a 128K Speccy50Hurts - Full-screen 50Hz 1-pixel horizontal scrolling on a 128K Speccy. Graphics are an obvious nod to Joffa, whose games and banter were a big ins…
... :
ld (hl),a ;
inc hl ;
djnz attr1 ;
FLASH 0)?
jp nz,l3 ...
add hl,28 ;
inc h ;
jp c,e1 ...
