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Real 60Hz NTSC 48K ZX SpectrumNot a 3rd party mod. The joystick mod was added by the user, but the board and the computer is exactly what was sold in Chile, South America. We migh…
... crystal by 1/6 to push the vertical frequency up:
horizontal line sync period. It divides ... specification for NTSC, but the horizontal period is 1/6 less ... head around a short 53us horizontal period....
All games ... -
Pixelwise scrolling sideways - how many ways to do it?Not that I need to, but I've been wondering if there's a good way to do this that I haven't considered. Scrolling [B]pixelwise [/B]vertically is "ea…
... tiles and can use POP/PUSH, the former takes the lead ... the main scroller. The 4 lines below are done using PUSH since ... show that by combining different scroller techniques, you can play to ... parallax is also drawn using PUSH but only scrolled every other ... -
Pixelwise scrolling sideways - how many ways to do it?Not that I need to, but I've been wondering if there's a good way to do this that I haven't considered. Scrolling [B]pixelwise [/B]vertically is "ea…
... =Arjun;597549]In discussions of horizontal scrolling I'm always surprised ... first full colour smooth scrolling horizontal shoot-em up I'd ... well, that was a colour scroller oooh and Hysteria (his web ... -
Exilei\'m sure this has been brought up before but couldn't find a thread in 'New Game Ideas'. Why did the Spectrum never get a port of the BBC game Exile…
[QUOTE=Fikee;613293]PUSH/POP copy with bank switch ... .
For my super-fast scroller, you treat the tiles as ... -
3D Deathchase on the Commodore 643D Deathchase has been ported to the C64, at least according to Micro-Mart. According to this week's MM, the port is called Hell Racer, and here's a …
... the sprites are at 4x horizontal expansion and this [i]only ... the dark colour of the scroller is actually different for each ... -
The most powerful 8-bit machine, and CPU?Further to the discussion in: [url]http://www.worldofspectrum.org/forums/newreply.php?do=newreply&p=621787[/url] What actually is the best 8-bit ma…
... sort of thing). You can push or pull multiple items on ... beeper! (At least timer and horizontal IRQs are available). Naturally, a ... -
Paradroid for C-64, why not in the Spectrum?Reading the special 30th anniversary Retro Gamer, I came across this game which was considered to be the best game for the C-64, and it does not look…
... 's likely possible with a PUSH-scroller engine. The backgrounds aren't ... -
Paradroid for C-64, why not in the Spectrum?Reading the special 30th anniversary Retro Gamer, I came across this game which was considered to be the best game for the C-64, and it does not look…
... 's likely possible with a PUSH-scroller engine. The backgrounds aren't ... -
What Spectrum projects (Software/Games/Utility)(Hardware)(Others) are you working on?So, basically that :) You dont have to give names or more clues if you dont want to ;) Also, if you are working on more than one, you can tell all of…
... [/B] having a go at PUSH scrolling. Don't forget that ... />
[B]BadgerZone[/B] - a horizontal shoot-em-up, not vertical ... -
Edge Connector Strain ReliefDoes anyone make/sell a cable like you got with VTX5000 modems that takes the strain off the edge connector?. My DivIDE, K-Mouse and whatever else f…
... /> Use vertical interfaces instead of horizontal ones ;)
On a ... easiest solution is just to push an appropriate sized book under ... -
Edge Connector Strain ReliefDoes anyone make/sell a cable like you got with VTX5000 modems that takes the strain off the edge connector?. My DivIDE, K-Mouse and whatever else f…
... ]Use vertical interfaces instead of horizontal ones ;)
On a ... easiest solution is just to push an appropriate sized book under ... -
AGD and CGD....can we have a compromise?Well I have been using Jonathan Cauldwell's Arcade Game Designer and I started to look at Dave Hughes' Classic Game Designer. I must say that they ar…
... options for horizontal or vertical constant-pixel-scrolling scenery, or push-character ... complex to achieve a decent horizontal scrolling version.
Another ... -
Movin And A Groovin Horizontal Flip improvementOn the left is the flip horizontal portion from Andy Pennell'S excellent Movin' & a Groovin' machine code screen routines from Your Spectrum #19 (Oct…
... B,192
PUSH BC
PUSH HL
PUSH IX
LD ... /> RET
;end nice flip horizontal
[/code]
Don ... -
IF EXIST?In MS-DOS scripting, there is an IF EXIST command that lets you check wether a file exists in disk or not. There are any way to check it out from BA…
[QUOTE=Zup;730789]In MS-DOS scripting, there is an IF EXIST command that lets you check wether a file exists in disk or not.
There are any way to check it out from BASIC (without breaking the program if it does not exist)?[/QUOTE]
... -
NEW GAME: Elixir VitaeOnly 2 weeks after Janosik I have a pleasure to announce my next creation - a logical minigame called [B]Elixir Vitae[/B]. Just like another Polish …
... if it will be horizontal or vertical) then I ...
; 16035T
PUSH BC ; columns 15 and 16 ...
; 16046T
PUSH DE ; columns 13 and 14 ... EXX
; 16077T
PUSH BC ; columns 11 and 12 ... -
SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... cd_prms1 ; call subroutine
push bc ; stack arc-count< ... push de ; stack diagonal step (?1, ?1)
ld d, 0 ; horizontal ...
cp h ; horizontal or vertical step?
... br /> pop bc ; horizontal or vertical step to BC ... -
z88dk and im2I set up a minimal IM2 mode so I can draw sprites for a laff [code] #include <string.h> #include <stdio.h> #include <im2.h> #include <stdlib.h> #in…
...
push af
push bc
push de
push hl
50 ; f200 - ffff SP1.LIB horizontal rotation tables
51 ; f000 ... -
Timex 2068 hi-color / hi-res modes.Hello. I know this is not a Timex forum but since it is a very close relative of the Speccy I thought I'd ask my question here. Does anyone know …
... idea for doing a vertical scroller using an interlaced background with ... get smooth vertical scrolling and horizontal sprite movement without attribute clash ... -
Documentation for SP1 for Z88DK?(I was going to post in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=11729"]the other thread[/URL], so if a mod thinks this should go…
... ; f200 - ffff SP1.LIB horizontal rotation tables
51 ; ...
push af
push bc
push de
push hl
{
#asm
push hl
ld ... br /> my_asm_isr_2:
push hl
ld hl ... -
Documentation for SP1 for Z88DK?(I was going to post in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=11729"]the other thread[/URL], so if a mod thinks this should go…
... ()
char dx; // signed horizontal speed in pixels
char ... push af
push bc
push de
push hl
push ix
push ... #endasm
*/
#asm
push hl
ld hl ... -
Documentation for SP1 for Z88DK?(I was going to post in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=11729"]the other thread[/URL], so if a mod thinks this should go…
... ()
char dx; // signed horizontal speed in pixels
char ... push af
push bc
push de
push hl
push ix
push ... #endasm
*/
#asm
push hl
ld hl ... -
Collision Detection in SP1Hi, Does anyone have a well-documented example of using collision detection in spritelib. I've search WoS and Z88DK forums but no joy. Something wi…
... ()
char dx; // signed horizontal speed in pixels
char ... push af
push bc
push de
push hl
push ix
push ... #endasm
*/
#asm
push hl
ld hl ... -
Collision Detection in SP1Hi, Does anyone have a well-documented example of using collision detection in spritelib. I've search WoS and Z88DK forums but no joy. Something wi…
... sp1_CreateSpr()
char dx; // signed horizontal speed in pixels
char ... ix
pop iy
push af
; ix = ... add a,(iy+5) ; add horizontal rotation
ld b,a ...
