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Perfect Dark (N64) - best FPS ever?Since we're talking about Half-Life 2 on this board, I thought I'd mention Perfect Dark, the best first person shooter ever. Don't believe me? Hardly…
... ability to define the playing attributes of the computer controlled bots ... -
Screen LoaderCouple days ago i find very interesting loader routine in ex Yugoslavia magazine "Svet Kompjutera" from january 1987. Authors of article, calls this …
...
LD A,C
XOR &03
LD C ...
LFF32 RL C
XOR L
RET NZ
XOR L
RET NZ
LD A,H
XOR L
LD H,A ... ,(&FE)
RRA
XOR C
AND &20 ... -
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…
...
move_and_draw_particles:
xor a
ld (activeparticles),a ... ,(de) ; Get graphic
xor (hl) ; xor with screen
ld (hl ... -
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. …
... display and running through the attributes and ever onwards. Bugger. It ... -
Urgent Help needed to fix this: calling all machine code gurusI am currently trying to write tutorials on the amazing Orfeus music composer by Proxima which allows you to do multi channel music through the beepe…
... /> jr nz,l8b72 ; (20)
xor #10
l8b60: and #10 ... /> ld hl,#0100
l8baa: xor #18
out (#fe),a ... /> jr c,l8bf2 ; (14)
xor a
ld (l8bd9+1 ... /> jr c,l8c0a ; (14)
xor a
ld (l8bf2+1 ... -
Dead Spectrum diagnosis and desolderingI have two dead Spectrums - one I'm pretty sure is caused by bad memory, and the other - well, perhaps a bad ROM, perhaps a bad CPU (it gets halfway …
... state and maybe some colour attributes begin to flash, and never ... -
ZXSpin 0.61 Available nowHi all! Well, after a lengthy few testing cycles, I'm taking the plunge and uploading the latest version of ZXSpin, to replace the rather aged old 0…
k7zx, a utility to load programs to Spectrum at very high speedk7zx is a windows program that convert .tap, .tzx , .sna and .z80 files to a wav file that can be played to a real Spectrum. You can down load it f…
... to code a SCREEN$ without attributes for testing porpouses ) They are ...NEW games for you chaps (and girls too) ;-)Okie, did some .TAP versions of NEW original games that were only released on TRDOS disk format. Some of you might have seen some (one or two are eve…
... no flicker and GREAT no attributes !!!)
[url]http://retrospec.sgn ...RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
... ; store it in col
xor a ; set a to zero ... /> ret ; return
err_b: xor a ; set a to zero ... /> ret nz ;
do_cr: xor a ; set A to zero ...
ret
wrap: xor a ;
jr zend ;
Groundbreaking gamesWhich games really broke new ground? I mean the ones that actually got around the hardware limitations of the Spectrum. For example: Aquaplane - f…
Currah MicroSource emulationIt appears to be impossible to emualte the MicroSource in software on the ZX Spectrum SE as hardware polling is required. The following patch is not …
... in DOCK bank
xor a ; select the DOCK bank ...
push af ; $1907
xor a ; $1908
jr l1905 ...My little first set of routines.Hi all, I just coded a little set of routines just to draw a screen on video mem and a fade out. I could have just copied the screen rendering rout…
... br /> SCREEN equ 16384
ATTRIBUTES equ 22528
...
ld de,ATTRIBUTES
ld hl,image+6144 ... of bytes
ld hl,ATTRIBUTES
NextAttr:
...Running code from the display memory?Is it possible to run machine code from the memory area used by the display file? If you were really out of memory and some part of screen is not u…
... be possible to set the attributes to black/black, load some ...First steps in Z80 machine codeI never got into machine code much back when I had a speccy, as I didn't have any development tools at the time. The only machine code I'd previousl…
... routines (e.g. an 8x8 xor sprite routine), make simple sounds ...Collision detectionI understand the basic methods for testing for collisions but I have question about the trickier situation of testing for when shots hit the backgrou…
... of doing this by checking attributes but its not appropriate for ...Trying to find one programA few years ago I had a program that showed moving bars while listening to the ear port. It used attributes to display the 16 bars, each bar was diff…
... the ear port. It used attributes to display the 16 bars ... uses the whole screen, with attributes.
Thanks ...SPIN's breakpoints - an overviewAs quite a few people have been asking how to set breakpoints on memory write etc. in SPIN, here's a description of the way the breakpoints work. Get…
... supports | for OR and ^ for XOR, or you can use the ... words AND / OR / XOR.
The conditions you ...Astro Marine Corps - Spanish instructionsAttributes of the file AstroMarineCorps.txt are -rw------- instead of typical -rw-r--r-- ;-).
Attributes of the file AstroMarineCorps.txt are -rw------- instead of typical -rw-r--r-- ;-).Disappearing/appearing effectI remember doing a small routine in BASIC which could be used to cover the attributes section randomly, until all 704 characters were filled with the…
... be used to cover the attributes section randomly, until all 704 ...Problem with Speccy GraphicsI'm creating a couple of background images for the BombJack Editor using Photoshop (I can't seem to get my head around the graphics editor in BASin).…
... principle of the speccy's attributes, ie the "paper" and "ink ...Change PAPER and INK, but nothing else?Can you in BASIC change the colour attributes in the screen without changing what is already printed at that location? I.e. change the PAPER and INK,…
Can you in BASIC change the colour attributes in the screen without changing what is already printed at that location? I.e. change the PAPER and INK, but keep the character (or whatever is displayed) intact.Any BBC aware Specchums out there?After the UK101 and VIC20 emulators I've moved my sights onto emulating a BBC computer. This emulator will be different though in that it will be a Z…
... EOF, deleting files, changing file attributes etc.
[*]Graphics support ...CHANS system variableI modified my original code to incorporate Woody's changes and avoid using the stack: [code] org 60000 save_registers: push hl push de push bc …
... hl, 30720 ; first address after attributes
ld de, (0x5c4f) ; current ...Recommendation for a picture search tool?I've been browsing program download sites until my eyes are sore; and downloaded, installed and removed programs until I'm fed up. I've been trying t…
... my PC by their pictorial attributes - dimensions, colour depth, resolution and ...New for 2009 - mc onelinersI found the limit of one line and one screen's worth of program really useful in (re-)learning BASIC, so I've decided to carry the format over into m…
... b,28
fillscreen
xor a
ld (hl),a ... hl ;save road posn
xor a ;print new road
So you want to make a cardgame......but you haven't got a good deck to display. Well here is a fully relocatable routine that will do the job for you. Place the code anywhere in me…
... AF ; save old lowerscreensize
XOR A
LD (23659),A ...
