-
2 scrolling linesHow would you draw, delete and scroll a 2 line landscape? [img]http://i1142.photobucket.com/albums/n608/daveyboyhughes/scramblines_zpsw0r2joew.png…
... 'custom' graphics: RL (HL)
- Vertical lines: can be drawn as ... as part of the drawing code that gets executed. With maybe ... -
2 scrolling linesHow would you draw, delete and scroll a 2 line landscape? [img]http://i1142.photobucket.com/albums/n608/daveyboyhughes/scramblines_zpsw0r2joew.png…
... 'custom' graphics: RL (HL)
- Vertical lines: can be drawn as ... proposed faster Sea Dragon 50fps scroller (it was too late to ... -
2 scrolling linesHow would you draw, delete and scroll a 2 line landscape? [img]http://i1142.photobucket.com/albums/n608/daveyboyhughes/scramblines_zpsw0r2joew.png…
I expect the sprite drawing code itself to become a fair ... LD (enjoy setting up your vertical position while you're at ... -
ZX Spectrum Next Kickstarter Launchedhttps://www.kickstarter.com/projects/1835143999/zx-spectrum-next
... attributes) specifically for it and code that properly deals with colour ... is dead wrong. You need vertical and horizontal counters, shifters, clipping ... -
Using the stack to blit bufferI was using a ldir to blit my back buffer to the screen RAM, and it was working pretty well if not rather slow. After reading about using the stack …
... little up scroll:
[CODE]
credits_adr_from equ #40B2
LD H,A
ret[/CODE][/quote]
A couple ... working on an engine for vertical shooters in lieu of the ... -
Beginner's z88dk help rqdI'm struggling to get my first z88dk C program to compile. My program is this: #include <spectrum.h> int main() { zx_border(INK_BLACK); } …
... any collision with background tile code, ?
so if the ... /> There's no generally supplied code to do this but there ... to know the horizontal and vertical pixel shift of the image ... -
How to automatically find the character set in a gameThis is all completely new to me, so please be patient. I've done some reading up on how character sets are handled by the Spectrum. I understand tha…
... sprites, rather than the machine code equivalent of 'print at 10 ... similar trick is offsetting the vertical print position by 4 pixels ... -
z88dk multicolour enginesI've been trying to work out how the multicolour sprite engines have been implemented in z88dk. It's not obvious. Looking in the source, I found …
... place tiles on an exact vertical pixel, but only on a ... people intimately familiar with the code. It's too easy to ... -
z88dk multicolour enginesI've been trying to work out how the multicolour sprite engines have been implemented in z88dk. It's not obvious. Looking in the source, I found …
... s examples.
[code]
/* ----------------------------------------------------------------
* ... lin; // hi-res vertical tile position
signed ... /> }
}
[/code]
Unfortunately it ... -
z88dk multicolour enginesI've been trying to work out how the multicolour sprite engines have been implemented in z88dk. It's not obvious. Looking in the source, I found …
... place tiles on an exact vertical pixel, but only on a ... people intimately familiar with the code. It's too easy to ... -
How to improve my program using oversized numbersI'd like my dice program to print out the number four times bigger than normal if possible. Anyone know how to do this? Or I could write a sub rou…
... multiply the number representing the vertical component of the character's ... a grip on what the code actually does. -
z88dk terminalsto set up a terminal a bunch of numbers are needed: m4_zx_01_output_fzx(_window_1, 0x2330, 0, 0, 1, 14, 1, 19, 0, _ff_ao_Prefect, 14, 0, 14, 8, 1…
... included into the crt (the code that runs before main) to ... .
In the main code I had to set up ... halt is used in the scroller. The print_word_wrapped routine has been ... -
What is the maximum fps the spectrum can achieve?I have been doing some reading and from what I understand the Spectrum outputs a PAL signal, but that means it will display @50fps or @25fps? If t…
... designed with waiting for the vertical (field) sync, in most cases ... time to run the game code and to update the screen ... -
Spectrum 128k +2 video issueHi Guys, I just got a Spectrum 128k +2 from ebay. It came with its power supply and the scart video cable. The machine is working pretty good but …
... the DIN socket...
[code]DIN LEAD -------------- SCART PIN
[/code]
There is a ... 5 has a TTL level vertical sync. If LK3 is made ... -
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 …
... a,22 ; ASCII control code for AT.
... br /> ld a,(xcoord) ; vertical position.
rst 16 ; ... it.
ret
[/code]
Print a string
code?
[ ... -
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…
... number
;Col 2: vertical coord
;Col 3: ... code
rst $10
ld a,(ix+1) ;? down (vertical ... ...
...
[/code]
[code]
controls_i nop
...
...
[/code]
This would ... -
GameHammer Classic Gaming ReviewsHey everyone, I've been pushing out a lot more game reviews lately so I thought I'd mention my channel here 'cause some of you may like it. The Sp…
the plane seems to move smoothly left and right which is more likely machine code, plus the vertical scrolling seems too good for basic.
Still not very optimised though.
Good overview of the different versions -
GameHammer Classic Gaming ReviewsHey everyone, I've been pushing out a lot more game reviews lately so I thought I'd mention my channel here 'cause some of you may like it. The Sp…
... is more likely machine code, plus the vertical scrolling seems too good ... ]
It's the vertical scrolling that made me think ... doesn't feel like machine code. Maybe it is just unoptimised ... -
im looking for a double size, height and width character programi want to be able to stretch and scale up udg's
Vertical stretching is trivial (in [i] ... a 2x stretch:
[code]
ld de,$4000 ;load ... ,a ;load L with chr code
ld h,0 ;make ... ;bitmap in ROM - $100 (chr code*8+$3c00), and load it ... 1$
ret
[/code] -
im looking for a double size, height and width character programi want to be able to stretch and scale up udg's
[quote="Ast_A_Moore;928176"]Vertical stretching is trivial ( ... stretch:
[code]
ld de,$4000 ;load ... ;load L with chr code
ld h,0 ... ROM - $100 (chr code*8+$3c00), and load it ... />
ret
[/code][/quote]
line 28 ... -
How can I make a UDG rotate?I designed a set of UDG's that can be used for making shapes or letters. Trouble is that my circle - for example - consists of 4 pieces and it would…
... new coordinates:
[code]
IF POINT (x,y ... x1,y1
[/code]
Although for vertical mirroring, it would ... like this:
[code]
10 PRINT AT 0 ... 20 GO TO 10
[/code]
Enable Kempston mouse ... -
ive found an attr scrolling routine but i want to remove the smaller scroller within it, etc.https://pastebin.com/K4nG3xbX also i would like to be able to change the colours and not have a shadow. http://www.worldofspectrum.org/pub/sin…
[code]
Character scroll, disable $FA17 ... /> JP Z, L_FAD6 ; run attribute scroller every 3rd pass
LD ... scroll (2)
: 00
[/code] -
ive found an attr scrolling routine but i want to remove the smaller scroller within it, etc.https://pastebin.com/K4nG3xbX also i would like to be able to change the colours and not have a shadow. http://www.worldofspectrum.org/pub/sin…
From the original Double Message Scroller listing:
[code]
LD A, $3E ... for attribute scroll (1)
[/code]
In the fast version ... the original Double Message Scroller listing:
[code]
XOR A ; FA1D ... -
i need a sideways scrolling program written in basicso like ghosts and goblins it scrolls along with the player. i had help with this before in making a tunnel game but this time i need it to be a able…
... me, Id take such a scroller, maybe a two liner. Put ... see, is to implement machine code routines within ones basic program ... come across a BASIC message scroller program at some point, likely ... -
i need a sideways scrolling program written in basicso like ghosts and goblins it scrolls along with the player. i had help with this before in making a tunnel game but this time i need it to be a able…
... me, Id take such a scroller, maybe a two liner. Put ... see, is to implement machine code routines within ones basic program ... come across a BASIC message scroller program at some point, likely ... -
Proportional-width fontsFor reasons that are still not quite clear to me (because I’ve always loved typography and design,) I never bothered to write a proportional-font rou…
... is 337 bytes, stored per vertical line and occupying a maximum ... character and that the next vertical line will be a space ... can be used by the scroller and print routine. -
Better graphic in new ZX gamesLCD TV (ideally full hd) used with ZX Spectrum enable using new graphic modes with 2x higher vertical resolution, more colors and without attribute c…
... : out 32765,23: load "1" code 49152,6912: load "2" screen ... screen but in 2x higher vertical resolution and both screens will ... -
how does this multiplication routine work?taken from chuntey wordpress: imul ld e,d ; HL = H * D ld a,h ; make accumulator first multiplier. ld …
... make a vertical line in the attribute file.
[code]
LD ... NZ,LOOP
RET
[/code] -
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…
... raster, changing attributes as each vertical pixel line is drawn. So ... time is left for other code.
Anyway especially with ...
