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Screen routinesHello. For my games I?m using the sprites routine method of a screen buffer and when I finish to print all the sprites I dump all the buffer in the …
... /> ld (stk+1),sp
ld hl,0 ;graphics
... )
inc hl
or (hl)
ld (de), ... /> row3 defw 16480 ;row 3
defw 16736
... /> row11 defw 18528 ;row 11
defw 18784
... ;if screen starts here or before, sprite misses third ... -
General purpose full screen input routineHi Folks, One of the things that annoyed me back in the 1980s with most BASICs was the lack of a full screen "formatted" input function. You could …
... PeaSea Software
130 REM 3.1 18-Jul-2011
140 ... -May-2012
150 REM 3.3 11-Jun-2012
160 REM ... /> 240 REM i4=(1)Mixed (2)Upper (3)Int (4)Num
250 REM i5=(1)Req'd ... -
64x48 full colour graphicsHow feasible is this? Could an interrupt-driven routine be used to, for example, fill the top two thirds with a 64x32 blocky picture and leave the bo…
... to get rid of it. Or is it the contention? The ... , 9, 10, 11, 12, 13, 14, 15, 0, 1, 2, 3, 4, 5, 6 ... , 9, 10, 11, 12, 13, 14, 15, 0, 1, 2, 3, 4, 5, 6 ... , 9, 10, 11, 12, 13, 14, 15, 0, 1, 2, 3, 4, 5, 6 ... , 9, 10, 11, 12, 13, 14, 15, 0, 1, 2, 3, 4, 5, 6 ... -
WibbleBibble's Basic threadHi in an attempt to keep my questions from spamming the forum. I think its better to put them all in one place. Thanks everyone so far, I feel I am …
... 230 IF ATTR (11,C1)=0 OR ATTR (11,C1+2)=0 THEN GO TO ... 9,C-1;" ";AT 10,C-1;" ABC ";AT 11,C;"DEF ... "
260 FOR D=1 ... /> 270 LET SC=SC+1
280 GO TO ... br /> 1040 DATA "A",0,1,6,12,9,25,16 ... 2000 LET X=INT (RND*3)-1
2010 LET T1=T ... -
ESXDOS v0.8.0 released (with NMI Browser)Hello, To celebrate the speccy's 30th birthday, here's the latest version of ESXDOS for DivIDE users. The full changelog is too long to post here, s…
... in compare with FATWARE or Esxdos 0.7.3):[/B]
; ... D2 with IFF2 state - 0=DI / 1=EI )
;add ... in Z80v1 are compressed or uncompressed (original code use ...
[B]; SNAPload v0.3.11
;VELESOFT's ... D2 with IFF2 state - 0=DI / 1=EI )
;add ... -
Random number from a rangeHow can I generate in assembly a random number from a range, let's say 0-21 or 0-57? There are generators which make it 0-255. By using bit masks I…
... to use, so to speak... Or, that's my impression anyway ... />
0,1,2,3,4,5,6,7,8,9,10,11,12 ... ,8,7,6,5,4,3,2,1,0
As you ... can see, the values 0-9 are ... -
WibbleBibble's Basic threadHi in an attempt to keep my questions from spamming the forum. I think its better to put them all in one place. Thanks everyone so far, I feel I am …
... =0: LET P2=0: LET P3=0: LET P4=0: LET P1I=0: LET P2I=1 ... =3: LET P4P=5: LET GMA=0: LET GMB=1: INK 7: PAPER 0 ... : PRINT "12";: INK 7: PRINT " 11 10": PRINT "": PRINT " 09 08 ... >99 OR P3>99 OR P2>99 OR P1> ... 8010
500 IF P1=11 THEN PAPER P1P: INK P1I ... -
windows 8 !!!!!!!!I've just tried windows 8 on a new laptop, and I hate it already ! You're not supposed to close windows anymore, just keep opening new ones and windo…
... for an AmigaOne and OS4.0. I've seen them running ... got a copy of DOS 1.0 somewhere. I don't recall ... how big (or small) it is zipped, but ... no support for hard disks or directories. It's great.[/QUOTE ... ve got Dos 6.0 and Win 3.11 on CD somewhere. They ... -
Simple AY library in z88dk/CI was interested to see if I could make the 128k AY chip work, and as there wasn't any library on it, I just made one for fun. It's certainly not th…
... key to a minor key (or any other mode).
< ... 06 07 08 09 10 11
// Minor:- m m ... Key of +3 = Minor Key of +0
// Phrygian = 0,1,3,5,7,8 ... of +5
// Locrian = 0,1,3,5,6,8,10 = Major ... -
Simple AY library in z88dk/CI was interested to see if I could make the 128k AY chip work, and as there wasn't any library on it, I just made one for fun. It's certainly not th…
... key to a minor key (or any other mode).
< ... 06 07 08 09 10 11
// Minor:- m m ... Key of +3 = Minor Key of +0
// Phrygian = 0,1,3,5,7,8 ... of +5
// Locrian = 0,1,3,5,6,8,10 = Major ... -
Altera CPLD vs Xylinx FPGAI will dig into the world of FPGA's, mainly to find something that can replace one or more GALs for my current and new projects. And it's never bad t…
...
& | for bitwise AND,OR
&& || for boolean ... AND,OR (also bitwise if operands are 1-bit wide)< ... m1 && !a[0] && !a[11]; // 5
assign ... -by-16 module.
reg [3:0] cfire = 4'b0000;
... -
Writing to virtual disks/tapes? (in ZX Spin, please)I have some emulators installed in Windows: Spectaculator 8, ZXSpin 0.7 and Fuse (1.0.0.1). I've been able to save to disks in Spectaculator and fuse…
... USR function to call SA_BYTES or DOS_WRITE instead.
[code ... DIM v(3):
LET a=10: LET b=11: LET ... (1);",";v(3):
SAVE f$(1) CODE u+v(1),v(3):< ... 1400 LET v=0: FOR z=0 TO 3: LET v=v ... RETURN
REM DATA#1 (1)=BIN file letter, (2)= ... -
calculator and sinusok, look at the Sysel's routine: [PHP]3 5b00 *s 4 5b00 tabsin = #7000 03 mksin 19.11.1995 Busy soft …
... on information in part 3 of that series. They ... as "13*16+15" (or else just 223, of ...
1050 LET b(1)=0
1060 LET b( ... i
1340 PRINT TAB 11;
1345 RETURN
PRINT n$;TAB i*4+11;:
NEXT i: PRINT: ... (2)=e: LET b(3)=d: LET b(4 ... -
How to align head in +3 drive?Hello! I am still struggling to make my +3 drive format disks. After a short email discussion with Steve from DataServe Retro i am ready to admit th…
... with a link to dataserve or with a suggestion to ... , it can find track 0 and go to the last ... disk was formatted in +3 understandable format elsewhere and has ... with it (cat gives trak 0,.format gives "no data"). ... manual mentions test points 1,2,3,5,9,11.
I ... -
RCS (Reverse Computer Screen)[B]RCS[/B] ("Reverse Computer Screen", or simply SCR written backwards) is a small utility I'm about to release, that reorders bytes from the ZX-Spec…
... br /> 1 | 1 | 1 | 0
2 | 11 | 010 | 1
3 | 111 | 011 | 0
... starts with 0 or 1. Assuming it starts with 0, the ... -
PlayStation 4 AnnouncedAs widely expected, Sony have unveiled the PS4 at an event in New York: [url]http://www.computerandvideogames.com/392432/playstation-4-is-official-so…
... inferior to the Playstation [B]3[/B], so they chose a ... than 3. I don't know if that's true or not ... at their numbering of Windows; 1.0, 2.0, 3.0, 3.1, 3.11, 95, 98, 2000, ME ... -
Screens and BasicA question about the ZX screens. I am using software to convert my own art and drawings to the ZX Spectrum. I have some tools to change .jpg files in…
... ,11,1,35000)
pause 0
cls
screenBox (3,11 ... ,18,11,3,35000)
screenBox (4,9,18,11,3,35000 ... , c
AND 24
OR 64
ld h, a ... -
Rocky Gush Floppy Drive InterfaceI have a Rocky Gush Floppy Drive Interface which I would like to post the details under the Hardware section of the website. What is correct procedur…
... 27128 and not 27C64 or 27C128.
3. The LED (D7 ... construction, I build a 1.44/3.5 drive inside of ... initialise ( 0&4, 1&5, 2&6, 3& ... have to swap Drive 0 and Drive 1 wires on the ... jumper or DIP switch as drive 1 to 4.
11. ... -
Z80 internal compressionThis isn't exactly a ZX Spectrum problem, but since WOS probably has some of the best Z80 coders in the world, I thought I might ask anyway. For my …
... JR C,UM9 ; "0" means "shorter codes", "1" means "longer codes"
EX (SP),HL
OR A
JR NZ,UM10 ... these are possibilities here:
"1"+"byte" => "byte" is copied ... nnnnn" (5 bits)+"offset" (8+3=11 bits) => "nnnnn"+2 bytes ... -
Some thoughs about fast scrolling on 128 modelPlease, consider this article as technically interesting concept not a proven algorithm. ONE The fastest scrollers use long sequence of PUSH inst…
... a PUSH takes 11 cycles, or 16 when contended ... lose even less, about 1-1.5 tacts per byte.< ... contention delay: 6 or 5 or 4 or 3 or 2 or 1 or 0 or 0. Hence, on ... average you should expect
(6+5+4+3 ... +2+1+0+0)/8=2.625
... -
The Official Crap Games Competition 2013 Thread!Just to announce that the 2013 CGC is OPEN! [IMG]http://i1142.photobucket.com/albums/n608/daveyboyhughes/cgctitle2_zps77591934.jpg[/IMG] And for th…
... creatures qualify as an otter, or do both look more like ... br />
[code]10 DATA 0,3,7,7,7,15,31 ... 255,131,225
11 DATA 0,0,224,254,255,255,224 ... 3,2,0,0,0,0,0,0,129,1,0,31,127,0,0,0,255,231,7,15,255,248,0,0,-1 ... br /> 1… -
GAC Tutorial Started!Hi all. I have a Youtube channel where I play old games and such. I also do a few programming tutorials. I have recently added a Graphic Adventure Cr…
... /> list 10
Quit 11
examine 12
... verb 19) and (no1 > 0) and (no1 < 100)) ... 3 // too dark to do things here
IF ((VERB 18)or ... 1) and (carr 1) and (3 in 10)) 1 to 10 brin 3 mess ... ((room = 2) and ((rand 3) = 1)) LF MESS 180 end
I have done a Spectrum Screen Design Template As PDFI use this for my games, to work out attribute and screen addresses. It is A4, to be printed landscape [url="http://www.peargames.co.uk/downloads/s…
... br /> 1 2 3 4 5 6 7
0 16384 16640 ... 20288 22848 10
11 18528 18784 19040 19296 ... 19808 20064 20320 22880 11
12 18560 ... />
[/CODE]
or in Hex:
[CODE ... $4F40 $5940 10
11 $4860 $4960 $4A60 $4B60 ...SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... into
rrca ; place
or %00001000 ; MIC off
jr nz, be_h_and_l_lp ; 12 or 7 t-state jump
or d ; final pass
jr ... 1
fce ; exit calc
ld hl, membot ; mem-0-1st ...SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... /> ld (t_addr), a ; 0=SAVE, 1=LOAD, 2=MERGE
call ... /> sa_v_new:
ld a, 1 ; assume numeric array
ld ... /> .endif
ld (ix + 11), 0 ; of bitmap data
jr ... , (ix + 0) ; get type
cp 3 ; SCREEN$ or CODE?
...
