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Developing apps for ZX Spectrum with SDCCDue to troubles with makebin utility which always starts coversion at memory address 0x0000 and can only produce binaries < 32KB, it can't be used to…
... RANDOMIZE USR 32768.
1) Makefile
[ ... .area _BSS
store_sp: .word 1
;; 1024 bytes ... /> {
int ret = *((*p)++) - '0';
if (ret > 9 ... {
ret -= 'A' - '9' - 1;
}
return ret;
UDG in AssemblyHow do you create User Definable Graphic and move it around the screen? In C64 its as easy as: [code] SPRITEENABLE = $d015 SPRITEPOINTER = $07f8 =*…
... /> ; enabling it (1= sprite 0, 3 = sprite 0, 1, 7 = sprite 0, 1, 2 etc)
sta SPRITEENABLE ; turn on sprites 0 and 1
; then pointing ... ; set sprite pointer for sprite 0
; setting it's ...WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…
... the goodies) CPLD is almost 1.5 times the cost of ...
Isolation resistors (about 30): 0.04 EUR. (if buying a ... -about 6 EUR- )
1.2V regulator: 0.6 EUR EUR
2.5V regulator: 0.92 EUR
[B]FPGA ... a power knob counting from 0 to 10, so I don ...Ideas for speeding up this BASIC routine?This loop can take up to 2 minutes to run, depending upon the content of the screen being scanned, about 70% of that time being taken up by lines 105…
... =tri TO tri-ml*my+1 STEP -my
1051 IF ... =0
1053 FOR z=y TO (y-my+1) AND my+1BLOG- ZXSporgBasic RPG development thread- Inspired by the Spectrum 30 show, and after a six-month wait while I was busy playing loads of gigs, I have decided to do a spot of Spectrum coding…
... l2110
1002 BORDER 0: PAPER 0: INK 6: CLS
1020 FOR j=0 TO 31
1030 ... /> 1060 DATA 0,0,1,25,63,254,188,0: DATA 96,32 ... 28: DATA 0,61,127,252,152,128,0,0: DATA 56 ... FOR j=0 TO 15: INK 1: PRINT AT j,0;CHR$ ... x=1: LET y=1: LET xo=1: LET yo=1: LET d=0: ...This time for ATARI ST music fans ;)New ATARI 520ST album of YM-DIGITAL (ym2149 chip) Hi there. :) After 2 years of break, we prepared another ATARI ST album with MOD-music - YM-DIGI…
... ST 2.1
- Hex-Tracker 0.844
- DigiComposer 1.0
- YM ... has been composed on Octalyser 0.96r. Recorded from real hardware ...Spectrum Stuff up on EbayLo folks, having another round of speccy odds and ends. More than a hundred speccy games at any rate. Also abit of a mix, phillips cds, aminet disk…
... _nkw=&_in_kw=1&_ex_kw=&_sacat=0&_okw=& ... amp;_oexkw=&_adv=1& ... amp;_fpos=&LH_SALE_CURRENCY=0&_fss=1&_fsradio=%26LH_SpecificSeller%3D1 ... &_saslop=1&_sasl=vaxalon& ...Hardware description - MULTIFACE 3[B]Hardware description - MULTIFACE 3[/B] This is description of MF3 clone, because I can't find more about original interface. Schematic and PAL ch…
... of port #1FFD sign D0=0(allram mode is not active ... for select 8kB rom page 0/1:
OUT #3F,xx - bit ... in log.0=set rom 1 / D0 in log.1=set rom 0) + enable ... in log.0=set rom 1 / D0 in log.1=set rom 0) + enable ... MF3GAL GAL16V8
RD00XX=1 A6=2 A7=3 A2 ...Routine for Currah speechI'm currently writing a routine for the Currah that will provide speech during a game. A timer is set to initiate the speech every 50 cycles of the …
... defb 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1
dat14 defb 1,1,1,1,1,1,1,1,1,1,
daveysludge
August 2013
Development
Troublesome routine, help needed!Having problems with this routine, it basically fires a rocket up the screen, but refuses to detect collisions. I'm using attribute blocks for detect…
... i.e. ATTR value 1 but simply will not ... br /> defb 0
bv1 defb 0
defb 0
attr ... HL)
cp 1
call nz,0 ;reset if rocket hits ... , 15
defb 12, 0, 128, 192
defb 192 ... , 65, 65
defb 0, 144, 184, 184
...Converting an integer arbitrary large binary number into a printable decimal formThis was asked a long ago at the comp.sys.sinclair newsgroup. At that time, I came up with a solution by extrapolating the classic algorithm of suces…
... PrintBCD proc
ld b,0 ;Flag to not print leading ... /> PrintDigit ld b,1
add a,'0'
rst 10h ... $-1
NBITS equ ($-NUMERO)*8
;BCD db 0,0,0,0,0
A "generic" loader for +3(e)I've made this loader for 128k games in +3DOS. [CODE]dos_open equ 262 dos_close equ 265 dos_abandon equ 268 dos_read equ 274 dos_write equ 277 dos_s…
... call dos_set1346
jp nc,0
; open ... /> call dos_open
jp nc,0
; repeat< ... read block
jp nc,0
; finsi< ... :
; 1 byte FLAGS
; 0..2 Page to ... 0 ; screen$
dw 16384
dw 6912
db 1 ; RAM 1 ...PlusDlite problems with 128K modelsLast year I developed the PlusDlite, and already shipped out a couple of them. Only recently I discovered some problems with 128K models. I remember…
... :
//
// Revision:
// Revision 0.01 - File Created
// Additional ... = 0;
reg nds0 = 0;
reg nds1 = 1;
reg nside = 0;
Beta-Pack, Filer etc. non working on original TR-DOS 4.12 Betadisk-InterfaceHi there, can anyone please verify this: I can?t get any of the programs of the utilities in "Beta-Pack" [url]http://www.worldofspectrum.org/infos…
... br />
1 BETA-TRANS: 0 OK, 70:1
2 BETA ... , 70:1
3 BACKUP 48: 0 OK, 70:1
... 4 BETADRESS: Prints some pixels on screen and shows: 0 ... OK, 70:1
... />
Backup (BackupV3.0.tap)
[url]http://www ...Column and row numbers to attr address?[FONT=Calibri][SIZE=3]Can anyone provide me with a code snippet the will convert the column and row numbers into the screen attribute address. For ex…
... address. For example, if de = 0 then the output should be ... . If de = 256 (column = 1 and row = 0) then the output should ...SEGA GENESIS joypad from Ebay[IMG]http://velesoft.speccy.cz/zx/joypad/IMGP9641.JPG[/IMG] On Ebay is possible buy very cheap chinesse joypad compatible with Sega Genesis / Sega M…
... from joypad:
IN 31 = 0,0,button C,button B,up ... = 0,0,button START, button A,up,down,1,1
IN 31 = 0,0,button ... 95 = 0,0,button START, button A,1,1,1,1
IN 31 = 0,0,button C ...
IN 95 = 0,0,button START, button A,0,0,conditional assembly in pasmoHi, I'm having some trouble figuring out how to use conditional assembly in pasmo. I want to write some code that targets a number of different platf…
... /> [code]
zxspectrum EQU 1
zx81 EQU 0
IF ... zxspectrum = 1
;do something
ENDIF
IF zx81 = 1
;do something else
Boomshine in SpecBASHere's a little game called "Boomshine": [url]http://www.k2xl.com/games/boomshine/[/url] It's a really nice, relaxing puzzle game about exploding b…
... /> 40 LET maxspeed=1.25: LET minspeed=0.75: LET minr=8 ... ): LET palinc=0
70 FOR f=1 TO nb+1
80 ... blobs(nb+1,6)=-1: LET gamestate=0: LET wongame=0: LET np=0
0: SCREEN LOCK: LET expcount=0
160 FOR f=1 TO nb+1 ...Soundex routineIn an idle 5 minutes I wrote a short routine to calculate Soundex codes using the algorithm described here: [url]http://en.wikipedia.org/wiki/Sounde…
... o$=""
30 FOR a=1 TO LEN n$: LET c ...
LET p$=p$+x$(1,2)
68 NEXT a ...Raycasting (3D Games!) with SpecBAS<div><font face="Arial, Verdana"><span style="font-size: 13.3333330154419px; line-height: normal;">Here's one I wrote just recently. I wanted to see …
... oh1,oh2=0,pla=IIF(map(px+1,py)=0,0.001, ... Engine60 RECTANGLE INK 5;0,0 TO SCRw-1,SCRh/2 FILL ... : RECTANGLE INK 6;0,SCRh/2 TO SCRw-1 ... ,SCRh-1 FILL ... 70 FOR x=0 TO ... /> ry,ddx=SQR(1+(rdy*rdy)/(rdx*rdx)),ddy ...Bought a car? You might soon not actually own it.<div style="font-family: Arial, Verdana; font-size: 10pt; font-style: normal; font-variant: normal; line-height: normal;">Quote "<span style="font-fa…
Quote "It's official: John Deer and General Motors want to eviscerate the notion of ownership. Sure, we pay for their vehicles. But we don’t own them. Not according to their corporate lawyers, anyway.
In a particularly spectacular display of ...Chromium / Iceweasel screen shotsFogartylee asked me in <a href="http://www.worldofspectrum.org/forums/discussion/50633/the-magic-s-gone/p3">this thread</a> to post a screenshot. Pos…
... extensions:
Adblock Plus 1.8.12 (installed by ... and is version 38.0.1 with these add-ons:< ... 1.0
HTTPS-Everywhere 5.0.5
Unhide Passwords 1.2.7.0.1 ... -signed
User Agent Switcher 0. ... 7.3
Video DownloadHelper 5.3.1.1- ...Execution map file support in different emulatorsAs I'm now seeking about execution map files, the different emulators support, I want to start a new discussion here. Today, I tried to create a mem…
... area.
bit =1 means code, =0 means data
bit 0: =1 means code, =0 means data
bit 1: =1 means byte ... reading
bit 2: =1 ... reading
bit 6: =1 means stack writing
bit ...im looking for a basic routine that adds a numerical character to a stringim looking for a basic routine that adds a numerical character to a string. so a=1, "1", then a=0 "10", then a=1 "101......" and so on
im looking for a basic routine that adds a numerical character to a string. so a=1, "1", then a=0 "10", then a=1 "101......" and so onRandom Numbers, USR Return Values & Timing BASICI've been trying out Jon Ritman's random number routine, published in Your Sinclair Aug'87. Apart from a timing comparison I also did a frequency ana…
... analysis across ranges of 0.05 from 0 to 1 for 65535 values ... /> 3277 819049 -1
3277 2457649 -1
3277 4096250 0
3276 ... : LET ft=t0: PRINT #0;AT 1,0;"Finish=";ft;:
LET time ...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…
... );
return 1;
}
fseek(fp_in,0,SEEK_END); // jump ... return 1;
}
//
// defaults
_XSTART=0;
_YSTART=0;< ...
pos.r[1]=pos.r[1]&7; // and ... 1]=pos.r[1]3;
pos.r[1]=pos.r[1 ...z88dk sp1lib with fzxThe numbers dont seem to display properly? fzx by itself works [quote] // for targets supporting fzx // zcc +zx -vn -startup=31 -O3 -clib…
... /> {0,0,0,0}//, {0,0,1,0}, {0,1,2,0}, {0,2,1,0}, {0,1,3,0},
// {0,3,1,0}, {0,2,3,0}, {0,3,2,0}, {
slenkar
June 2017
Development
A game from an other machine.if someone interesting, this is a game I created in 1989. this is the basic source, maybe somebody can convert to specy. An image: http://www.ep128.…
... =1
220 ENVELOPE NUMBER 1;0,63,63,1;-1,-30,-30,1;1 ... NUMBER 3;0,63,23,1;0,-20,-10,1;0,-40,-40 ... ,15
241 ENVELOPE NUMBER 4;0 ... ,23,63,1;0 ... ENVELOPE NUMBER 11;0,63,63,1;0,-30,-30,2; ...Custom Menus on the ZX Spectrum +3Today, my Friends, i have the pleasure of presenting a program i have written which gives a set of custom menus on the +3. The main features of my p…
... of my program are:
1: permitting the user to use ... spectrum-3/BertoMenus_V0.1.dsk?attredirects=0&d=1"]BertoMenus_V0.1.dsk[/url ... item will now follow:
1: [b]Resume[/b] - this ... /games-info/h/HiSoftDevpacV4.1.pdf"]HiSoftDevpacV4.1.pdf[/url] and [ ...
