-
ZEsarUX beta 5.1Hi I have just uploaded today a new beta version of ZEsarUX. Binaries are for Linux, Mac, Windows and Raspberry (raspbian) You may download i…
... the following works :-
OUT 9275,21
OUT 9531,0 -
ZX Nuvo 128..Hi There, I have built the ZX Nuvo 128 by Superfo, but it has a problem. The machine is working, but the video signal is completely bonkers. I've …
... action=dlattach;topic=3360.0;attach=8817;image[/img ... br /> Pic 2. - OUT 16381,0 - fine as A12 doesn ...
Pic 3. - OUT 12285,0 - A12 in LOW state, drain ...
Pic 4 - OUT 12285,0 - now [b]R70 is only ... action=dlattach;topic=3360.0;attach=8823;image[/img ... -
ZX Nuvo 128..Hi There, I have built the ZX Nuvo 128 by Superfo, but it has a problem. The machine is working, but the video signal is completely bonkers. I've …
... action=dlattach;topic=3360.0;attach=8817;image[/img ... br /> Pic 2. - OUT 16381,0 - fine as A12 doesn ...
Pic 3. - OUT 12285,0 - A12 in LOW state, drain ...
Pic 4 - OUT 12285,0 - now [b]R70 is only ... action=dlattach;topic=3360.0;attach=8823;image[/img ... -
ZX Nuvo 128..Hi There, I have built the ZX Nuvo 128 by Superfo, but it has a problem. The machine is working, but the video signal is completely bonkers. I've …
... 11
Pic 2. - OUT 16381,0 - fine as A12 doesn't ... ]
Pic 3. - OUT 12285,0 - A12 in LOW state, drain ... ]
Pic 4 - OUT 12285,0 - now [b]R70 is only ... -
are there any machine code to basic converters?i know it sounds stupid but for amature programmers like me it would be great. i could speed up the basic on an emulator and it would give me more of…
... does OR, AND, XOR when c=0,1,2:
[code]
...
1012 FOR o=0 TO 2: GO SUB FN ... (val1,val2,o,8,1090,0): NEXT o
...
... 1090 FOR p=0 TO d-1:
LET ... about 0.7 sec, whereas the m/c takes 7 Ts (=0.000002 ... -
hacking controls for atic atac?I was wondering if there is any way to hack in game controls? In particular for Atic Atac. I prefer to use keyboard controls for most games, but the …
... /> BLOCKSTART 45306
LD C,0
LD A,251
RET
BIT 0,A
JR NZ,$+4 ...
SET 2,C
LD A,254< ... NZ,$+4
SET 3,C
LD A,223< ... /> JR NZ,$+4
SET 0,C
BIT 2,A
Need help from people with a +2A/+3Started a topic [url="https://www.worldofspectrum.org/forums/discussion/55141/need-help-from-people-with-a-2a-3"]here[/url] to get a broader reach, b…
... ,(#4000) for padding (LD A,(0) [i]doesn’t[/i] work ... the +2A/+3 is LD C,0, but then I need to ...Need help from people with a +2A/+3Started a topic [url="https://www.worldofspectrum.org/forums/discussion/55141/need-help-from-people-with-a-2a-3"]here[/url] to get a broader reach, b…
... a,r
in a,(c)
cp e
jp ...
1$
ld c,0 ;[7]
ld a,e ... nz,1$ ;[10]
ld c,0 ;[7]
ld a,e ...Need help from people with a +2A/+3Started a topic [url="https://www.worldofspectrum.org/forums/discussion/55141/need-help-from-people-with-a-2a-3"]here[/url] to get a broader reach, b…
...
halt
exx
out (c),e ;set #1FFD to the ...
exx
in d,(c) ;read the initial value of ... port again
exx
out (c),d ;restore normal 128K mode ... this order:
1. Try out the current opcode/combination thereof ...Other than using attributes what other ways to detect collisions, when using char based movement?So I'm slowly working out the bits and pieces to write a game completely in assembly. I've been using attributes when writing in BASIC to detect whet…
... b,0 if we are Y=0
and not ld c,0. Correct ... .
[/quote]
ld c,0 is correct. If you load ... X coord, then you set C to 0, BC will end up ... as Y * 256 + 0. That is indeed what we ... . From Y * 256 + 0 to Y * 32 + 0 is only a few ...Other than using attributes what other ways to detect collisions, when using char based movement?So I'm slowly working out the bits and pieces to write a game completely in assembly. I've been using attributes when writing in BASIC to detect whet…
... b,0 if we are Y=0
and not ld c,0. Correct ... -ordinate into B and setting C to zero.
You ... zero and put Y in C, which makes BC equal the ... high byte B and set C to zero, then shift it ...Detecting +3 / +2AWhat's a simple but reliable way to detect if code is running on a +2A/+3? My first though was to try switching to ROM2 and then checking for the …
multiface basic loaderdoes anyone know how I can see whats in the basic loader of the multiface 1 and 128 basic loaders and how I could convert a tape save from the 1 and…
... header
scf ;C=1 for load, C=0 for verify
call ... block
scf ;C=1 for load, C=0 for verify
call ...How would I turn memory paging on/off in Assembler?Sorry for the noob question. It's perfectly ok to do OUT 32765,48 in BASIC to turn memory paging off. But how do you do it in assembly language? I kn…
[code]
ld bc, 32765
ld a,48
out (c),a
[/code]
It may not look like it, but OUT (C),A actually puts BC on the port address.How would I turn memory paging on/off in Assembler?Sorry for the noob question. It's perfectly ok to do OUT 32765,48 in BASIC to turn memory paging off. But how do you do it in assembly language? I kn…
... use to get confused by OUT (c),a when I was learning ...The I register pointing to $40–$7f causes ULA snow and a crash. Or does it?I have heard it from numerous sources, including a few members of this forum, that 128K/+2 machines crash if the I register points to a range of $40–…
... about snow. He did leave out an EI at the end ...
ld ($5b5c),a
out (c),a
ld hl ...Editorless AGD Now for Spectrum as well as Next/TimexI've updated the editorless version of AGD to 0.3, fixing the Next/Timex CLS routine and adding a Spectrum engine and compiler. For those not alread…
... show file browser) use OUT 255,0 for set standard ZX mode ... /> Short result:
- add OUT 255,0 after jump to NMI code ...
- add OUT 255,xx (multicolor ...New version: APULIJA-13 V2.0Hello everyone! [i]Apulija-13,[/i] the game that Jonathan Caldwell himself listed among those better showing what you can do with AGD, is back - a…
...
ld a,254
out (C),a
and just ...
ld a,255
out (C),a
Cannot say ...draw single pixel in the borderI have problems with drawing in the border. I can get it to draw a line ,but it always becomes a line and not a single pixel. <br><br>rept 3580 <br…
Making sound using the BEEPER in AssemblyI had a look at the the documentation but it doesn't make sense to me. To make music just the beeper all I have to do is send ones and zeros to one o…
... /> [code] ld bc,$fe
out (c),a
[/code]
Instead ... of just
[code]
out ($fe),a
[/code]
Making sound using the BEEPER in AssemblyI had a look at the the documentation but it doesn't make sense to me. To make music just the beeper all I have to do is send ones and zeros to one o…
... code] ld bc,$fe
out (c),a
[/code]
... just
[code]
out ($fe),a
[/code ... 11 T states for OUT (C),A vs. 12 T ... way around, out (c),a is 12t and out (n),a ... @Hikaru mentioned. With using out ($fe),a, that's ...Making sound using the BEEPER in AssemblyI had a look at the the documentation but it doesn't make sense to me. To make music just the beeper all I have to do is send ones and zeros to one o…
... other way around, out (c),a is 12t and out (n),a is ...Short unattended type-in'sThis follows a similar topic on the BBC/Acorn forum (said topic can be found [url="https://stardot.org.uk/forums/viewtopic.php?f=2&t=14919"]here[/url…
... :
[code]10 BORDER 0: PAPER 0: INK 7: BRIGHT 1: CLS ... LET X1=0: LET Y1=0
30 FOR C=0 TO 7 STEP ... )>6 THEN DRAW INK C,X2-X1,Y2-Y1: GOTO ... /> 60 DRAW OVER 1; INK 0;X2-X1,Y2-Y1
C
80 GOTO 30[/code ...Short unattended type-in'sThis follows a similar topic on the BBC/Acorn forum (said topic can be found [url="https://stardot.org.uk/forums/viewtopic.php?f=2&t=14919"]here[/url…
... paper 0:window origin 0,0,0 to 1,1: cls
20 for c=0 ... to 7 step .1: draw ink c;inverse rnd
