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"Jet Set Luis: Rumbo a la Costa Blanca""Jet Set Luis: Rumbo a la Costa Blanca" (Jet Set Luis: On the Way to Costa Blanca) is a 2014 or 2015 (see below) Spanish remake of "Manic Miner", mad…
... /> "Jet Set Luis" has a beautiful title screen and all ... been modified. According to a comment posted by its ... it was made using a number of "techniques performed ... "]RZX Archive[/url] and a map - from [url=" ... Set Luis" suffers from a critical bug in the last room ... -
ZX Spin and a question or two......Not really used Spin before since Spectaculator covers everything I need - except now I have need of an easy to use assembler. Downloaded several, n…
... to, and there is a distinct lack of documentation provided ... Enter Spin, I've had a small play with it and ... br />
[code]
LOOP LD A,(HL)
CP 0
a stand alone program,
... -
A sped up pixel-shift routine for 1-byte–wide spritesHere’s an optimized (for speed) real-time sprite shifting routine for sprites that are one byte wide. It uses no memory variables for storage of inte…
... ; DE
ld a,(hl) ;read screen into A
xor c ... right
ld a,(hl)
xor b
ld (hl),a ;place it ...
ld a,l ;else, load A with L
add a,32 ;add ... done shifting
ld a,h ;else, load A with high byte of ... -
Copying a single character from one place to another?[code] ORG 33000 LD A,8 LD HL,16384 LD BC,256 LD DE, 18432 LOOP: PUSH AF LD A,(HL) LD (DE),A ADD HL, BC POP AF DEC A JR NZ,LOOP REST […
...
LD A,8
LD HL,16384
LD BC,256
LD DE ... , 18432
LOOP:
PUSH AF
LD A,(HL)
LD ... (DE),A
ADD HL, BC ...
POP AF
DEC A ... -
ZXSCLZF - Yet another Screen CompressorQuick disclaimer before I continue, this compressor does not shrink screens as small as some of the others posted here, in particular the very good z…
... }
*store_c=(mlen.r[0] attribute, then 8 ... 6144bytes
pos.r[1]=pos.r[1]&7; ... r[1]=pos.r[1]3;
pos.r[1]=pos.r ... 3;
pos.r[1]=pos.r[1]|24; // ... _ulzfa040:
ld a,(hl) ; 7t
ld (de),a ; 7t
A Neat Redefine Keys RoutinePreviously, I’ve only shared this routine with a couple of people via PM, but I’ve now decided to make it public. I optimized it for size, so it uses…
... DISPLAY CONTROLS———————
ld a,71 ;WHITE INK (7) + ... CPIR
ld a,(23693) ;read current attributes
ld a,e ;load A with E to compare ... save A
ld a,22 ;AT code
rst $10
ld a,(ix ...The I register pointing to $40–$7f causes ULA snow and a crash. Or does it?I have heard it from numerous sources, including a few members of this forum, that 128K/+2 machines crash if the I register points to a range of $40–…
... 30000):
[code]
ld a,($5b5c)
and $f8
ld a,$f7
ld i,a
im 2
push af
ld a,%01001000
ld ($5800),a
pop af
Prportional Ascii text scrollerA couple of years ago I wrote a little scroller that nestles at the top of RAM (FFCA - 65482) and scrolls standard Ascii encoded text from anywhere y…
... /> db 7ch,48h,48h,0b4h ;R
db 24h,54h,54h ...
db 3ch,10h,0a0h ;r
db 14h,34h,2ch ... text stream character addr.
ld a,(de)
sub 20h ;test ...FIY: inconsistencies between different versions of Pasmo.I don't know if this has been reported before, but I recently changed from Pasmo 0.54 to Pasmo 0.60 and "suddenly" there was a bug in my program. …
... .60 and "suddenly" there was a bug in my program.
[code]LD A,"0"-1[/code]
This correctly sets A to $2F in Pasmo 0 ...ZY10, a tool to store and display some small bitmapped imagesZY10 Builder ============ Download at: https://www.sendspace.com/file/rncgbo ZY10 is a file format/tool to store some small images on the Spec…
...
images for a text adventure game.
... This package also includes a very small assembly program to ... /> The conversion is a very basic colour guessing conversion ... br /> * or in assembly:
ld a,
call 49158
...[Asm] Is this nested loop faster than LDIR or a bunch of unrolled LDI's?Hi all. I'm learning Z80 asm on Speccy 48K, and to start with I decided to write my own "CLS" routine (without relying on ROM calls or LDIR) as a lea…
... %00000000 ; Usage example: ld a,FLASH_OFF | BRIGHT_ON | PAPER_BLACK ... /> ld a,BORDER_BLACK ; Select a color.
ld (SYSVAR_BORDCR),a ; Save ... ld a,FLASH_OFF | BRIGHT_ON | PAPER_BLACK | INK_WHITE ; Select attributes.
ld (SYSVAR_ATTR_P),a ...ANN: Tipshop updated Wednesday, 15 April 2020Wednesday 15 April 2020 Merry Xm(too late! Ed).. Happy New(Nope - too late Ed)... Happy Vale(Still nope. Ed).. Happy Eas(And that's another nope. …
... by Stu made me spot a bug - erm a deliberate observation
... Crash's attempt at a correction to a
previously ...
* Gareth Pitchford provided a correction to the solution for ...
Ostrov pokladu, P.H.A.R.T., Papyrus, Peplum,
...this code wont give me a random starfieldim using a peice of code that ive copied from a book, ignore most of it as it is redundant. for some reason i get a strange random starfield instead …
... vertical position of player.
ld a,(ply) ; player's horizontal position ... our temporary screen colours.
ld a,32 ; SPACE character.
rst ... 8k of ROM.
ld h,a
ld a,(hl) ; Get "random" number ...type in to learn about IM2I'm trying to mess around with learning about IM2 and I found a nice little article in Sinclair User September 1988, issue 78, Page 70-71 [url="https…
... in has some sort of bug in it and I haven ...
ld A, $c3
ld ($fdfd), A
ld HL, INT_ROUTINE ;;different
ld ($fdfe ... /> ld A, H
add A, $3c
ld H, A
ld B, 8
ld ...Tricks to make mirror image of a graphic?I've been working on a sprite routine for lots of sprites and animations. I'm only storing right facing graphics, and converting them to left facing.…
... />
ld a, c
add a, %10000000
ld c, a
b1: ld a, (de ... />
ld a, c
add a, %01000000
ld c, a
b2: ld a, (de ...
ld a, c
add a, %00100000
ld c, a
b3: ld
FrankT
December 2020
Assembler
Textured Scanline Flood Fill for ZX Spectrum 48KPity that it's quite hard to contribute code to WoS in a straightforward manner. Recently, I have created a textured/hatched fill M/C routine for the…
... contribute code to WoS in a straightforward manner. Recently, I ... RND*95
130 LET r=10+RND*30
... 140 CIRCLE x,y,r
200 REM ... br /> 9010 LET a=63488
9020 READ a$: PRINT "{AT ... s
9060 POKE a,v: LET a=a+1
9070 ...Batty Bug???I am not sure if this is well known or not Batty has gone a bit Batty . The ball goes from the bat to the top RHS corner in an infinite loop . I h…
...
Batty has gone a bit Batty . The ball goes ... carried on indefinitely . Is this a known BUG with Batty?Sort 2 byte words (x, y) on ypos, also question about swap (DE), (HL)Well that was a lot of debugging ;) But if you want a routine which takes an array of 16 byte words x, y and then sort them on y (ignoring x), I'm…
... , af' ; remember right in A'
ld a, (hl) ; A = data[right].y
int r = 2 * i + 2;
< ...
// so far
if (r < n && arr ... [r] > arr[largest])
largest = r;
Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…
... /> ld a, (bc)
ld e, a
inc c
ld a, (bc)
ld d, a ...
inc c
ld a, (bc)
ld l, a ...
inc c
ld a, (bc)
ld h, a ...How do i learn to programAll the years i had a computer the only one i could program was the Texas Instruments Ti99/4a and when using extended basic with its so simple sprite…
... .
If u r using an assembler, the assembler ... /> LD HL, 32000 ;memory location for storing the number
LD A, ... 2
LD BC, 2 ; we are ... anything.
LD (HL), A ; stores the contents of A in the ...How do i learn to programAll the years i had a computer the only one i could program was the Texas Instruments Ti99/4a and when using extended basic with its so simple sprite…
... .
If u r using an assembler, the assembler ... /> LD HL, 32000 ;memory location for storing the number
LD A, ... 2
LD BC, 2 ; we are ... anything.
LD (HL), A ; stores the contents of A in the ...Machine CodeOk i had a spectrum when i was younger and only used it for playin games and typing simple BASIC programs - i mean really simple! Things like 10 Pri…
... are done with labels.
A small example is this
LD HL,message
LOOP LD A,(HL)
OR A
RET ... LOOP
message DEFB "P","R","I","N","T",0
A)
If no errors ...Horizontal scrollDoes anyone know how to do a 2 or 4 pixel left or right horizontal scroll of the spectrum screen. I can make a 1 one pixel scroll with: ... rl (hl…
...
You'd probably get a speed gain here by loading ... into a register first.
ld a,(hl)
rla
rla
ld (hl),a
dec ... RLA is quicker than RL A (4 compared to 8 ... cycles), or RL r in general. Not much ...PSI ChessHi, Anybody out there remember the game "PSI Chess" by The Edge? Well, there seems to be no problem finding a snapshot ot tape image for this game …
... !
[/quote]
m-a-r-t-I-J-N!!! There ... /> Yeah, the code probably has a bug in its Sanskrit parser. ;)
Anyone for a hacking challenge ?I have to get the DSK version of Tomahawk to work. It uses the well-known Digital Integration "SECURITY CODE" lock just like in Bobsled, ATF, etc. Th…
... the Multiface and then press 'r' to return. Where Genie says ... follows:-
LD A, (40000)
DEC A ' option appears again leaving ... 3E 03 LD A,03
Now press A to (A)lter the ... menu to select a choice!)
Now press R to (R)eturn to ...Z80 coders compoIf you're interested in Z80 coders compo, visit my page [url="http://mbr.nm.ru/compo.html"]http://mbr.nm.ru/compo.html[/url]
... /> Actually I wasn't making a bug report because I wasn't ...
ld e,a ; e = BCD(3210)
ld a,(hl)
or a ; clear ... digits
ld (hl),a
inc hl
ld a,(hl)
djnz ...
