-
smooth movement in basicWas trying to figure this out myself but i would like to be pointed in right direction now :-). How do I make something move in Basic without gettin…
Out of curiosity I rewrote line ...
rst $10
ld a,c ;A =by
rst $10
rst $10
ld a,c ;A =by
rst $10
Boriels ZX CompilerI'm trying to compile a very simple program and I keep getting the error: unexpected end of file. Here's my code: [CODE]10 cls 20: let n=0 22 do 2…
... false-language"]False[/URL] came out. Remember Tomas Partl writing the ... ]You obviously don't consider C++ a real OOL[/QUOTE]
< ... br /> Of course not. C++ is C with some OO features tacked ... , there are much better choices out there.
[QUOTE= ...IX register woes - or is SPIN buggy?Or am I missing something? I'm trying to use the IX reg to acess a table containing an x and y coord. My code below just doesnt seem to work proper…
... /> Not at all, SPIN has a full-featured assmebler (which integrates ... ...
edit: btw, the out (c), h instruction bug *was* fixed ... up as it was in a state of, ahem, "reorganisation" when ...IX register woes - or is SPIN buggy?Or am I missing something? I'm trying to use the IX reg to acess a table containing an x and y coord. My code below just doesnt seem to work proper…
... ]Not at all, SPIN has a full-featured assmebler (which integrates ... ...
edit: btw, the out (c), h instruction bug *was* fixed ... up as it was in a state of, ahem, "reorganisation" when ... /> Atari Jetman-we've gone a tad away from your original ...Ay Real Time Synthetizer SoftwareSpectlemen and Spectladies!It's been a long time that I'd like to ask this.... I ask thee to create a new musical software for our ZX Spectrum machi…
... that there is only a 128k midi OUT standard (the sinclair ... : is possible to convert a midi OUT in a midi IN ? :D ... "instrument 1" : when you play a note, another one is repeated ... br /> Example: C= E and G , D= F and A , E= ... G and B , F = A and C , G = B and D ...New Z80 CPU emulation testerI have finally wrapped up the new [URL="http://zxds.raxoft.cz/taps/misc/z80test-1.0.zip"]Z80 tester package[/URL] I have previously announced in [URL…
... pass OK on a +2a with a Zilog Z80 CPU ...
076 RES N,A CRC: DA23E0E3 EXPECTED: 7675BFCF
OUT (N),A CRC: 14DA6ED9 EXPECTED: 04270B9E
097 OUT (C),R ... CRC: 05D38510 EXPECTED: 226855E0
098 OUT (C),0 ...calculator and sinusok, look at the Sysel's routine: [PHP]3 5b00 *s 4 5b00 tabsin = #7000 03 mksin 19.11.1995 Busy soft …
...
loc_6011:
xor a
out (0FEh), a
rl (hl)
add a, c
ld c, a
ld (de), a
inc ... B
LD A,C:ADC A,0:LD C,A
FBR1 INC ... HL)
INC H:LD C,A,A,(BC)
OR (HL):LD ...Messenger interfaceHave anyone photos, schematic, rom images, documentation, or software for Messenger interface ? [url]http://www.worldofspectrum.org/infoseekid.cgi?i…
... would I expect A) boom, B) fizzle, or C) nothing? It ... 'd be fun to use the Messenger as a ... it to the MIDI OUT of a MIDI controller, the ... when the ROM is paged out?[/quote]
Yes, ... the program resumes operation after a RET.
...calculator and sinusok, look at the Sysel's routine: [PHP]3 5b00 *s 4 5b00 tabsin = #7000 03 mksin 19.11.1995 Busy soft …
... noticed that there's been a little local difficulty with converting ... ,$50,$21,$2a which prints out correctly as the number of ... )
2010 INPUT "A";a;" E";e;" D";d;" C";c;" B";b
2070 LET exponent=a-128
2080 LET sign ...Altera CPLD vs Xylinx FPGAI will dig into the world of FPGA's, mainly to find something that can replace one or more GALs for my current and new projects. And it's never bad t…
...
out2 : = in3*/in4
out.c = clk[/code]
Becomes ...Adding TAP file contents to a Spectrum +3e DOS PartitionHello my fellow WoS'ers, This thread is a companion to a great little guide from a fellow AmiBayer [B]mnjnurney[/B] you can view his thread by [URL…
... I've written a BASIC programmette which reads a TAP copied to ... a +3 disk and ... by the "GO SUB FN a(...)" calls. This shows "proof ... file type to write it out as a LOAD-able file to ... br /> 6499 GO SUB FN a("C",t$,k3,k0,k0,k0 ...Adding TAP file contents to a Spectrum +3e DOS PartitionHello my fellow WoS'ers, This thread is a companion to a great little guide from a fellow AmiBayer [B]mnjnurney[/B] you can view his thread by [URL…
... "BB Hyper Utils" sounds like a decathlon game already =)
... 've written a BASIC programmette which reads a TAP copied to ... a +3 disk ... type to write it out as a LOAD-able file to ... /> 6499 GO SUB FN a("C",t$,k3,k0,k0,k0 ...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…
I finally figured out the shortest, fastest implementation for ... h ; H = x0x1x0R1R2p1p2p3
ld c, a ; C = r1c3c4c1c2c5r3r2
xor l
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…
... to, depending upon the IN/OUT instruction being executed. That is ... 6 of register A for OUT (nn),A and IN A,(nn) instructions, or ... register B for IN r,(C) / OUT (C),r / INI / INIR / OUTI / OUTIR ...How do I detect if key 'H' is pressed in machine code?How do I detect that the key has been pressed? I have been using the IN 239 command for keys 6-0, but dont know how to detech 'H'...
... address bus, either the A or the B register is ... was always intended to use a 16-bit i/o ... it :- IN r,(c); out (r),c; in a,(xx); out (xx),a; inir; outir, etc ... bits are meant to identify a register on the peripheral. The ... of register files on a particular device.128k Basic used much ?Hi - I was wondering if there were many,if any, games programmed in 128k basic? I was also thinking of doing one myself as I wish to make a text heav…
... you could use to find out which spectrum you had so ... 0
ld c,a
ld a,($1540) ;A =83 if Sinclair else ... 65 if Amstrad
add a,c ;A =83 +128k; =65 +2; =233 ...Buzzer sounds tips'n'tricksSo I have an ARM Cortex M3 with a buzzer connected to its GPIO pin. And because I read this forum I know that there is no need to add a separate buzz…
... , for the reason joefish pointed out. Nevermind the resistor and capacitor ... ]
ld a,(speed)
ld b,a
ld c,a ;8 bits ...
skip2a
out ($fe),a ;switch beeper on or off ...Buzzer sounds tips'n'tricksSo I have an ARM Cortex M3 with a buzzer connected to its GPIO pin. And because I read this forum I know that there is no need to add a separate buzz…
... timing difference. If you have a 16-bit speed counter, ... dlpx
ld a,b
or c
jr nz, ... /> ret
dlpx: ld a,(hl) ;read ROM data
xor %11100111
out (#fe),a ;and out it goes
inc ...Thinking of modding an Atari paddle controller for games like Arkanoid...Hello, Was thinking of trying out a controller mod using an Atari 2600 paddle controller to use with games like arkanoid, Batty, etc... The paddle c…
... /> I'll definitely check out the schematics a bit more this evening ... a
sra a
ld c,a
ld a,(OldValue)
add a,c
Abbaye des morts[url]http://www.locomalito.com/juegos_abbaye_des_morts.php[/url] Looks like Spectrum, sounds like Spectrum, but it's not a Spectrum ('cause no colou…
... spectrum world, but in C as I see this as ... I write may not come out for a while :)
a little poking around can pull out the essence ... screen is covered in a bunch of rectangles to ... halfway through a character square so on a real spectrum, ...Spike: 48k onlyDoes anyone know what's going on with Spike? [URL=http://s1142.photobucket.com/user/daveyboyhughes/media/spike_zps232a1745.gif.html][IMG]http://i114…
... 're loaded into memory. A typical scheme is 1) ... ) with the content from a specific ROM area-- the ... ]
5b00: xor a
5b01: out ($fe), a
5b03: ld ... br /> 5b28: ld a, b
5b29: or c
5b2a: ... jr nz, $5b10
5b2c: xor a
generating a pre-defined list in an un-defined sequenceI've decided to become a drunkard, to which end I've been drinking a whole bottle of beer in one day (whereas normally I'd make it last 2 or 3 days).…
... ] You can put in a new picture if you load ... it as a binary at address 49152.< ... the attributes 1 bit at a time but it would ... nc, done_lfsr
ld a,l
xor $2d
ld l,a
done_lfsr:
< ...Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... zero_pulse_min+.edge_loop_start_pilot
jr c,.detect_pilot_tone ; too few, restart ... +.edge_loop_start_data
jr c,.detect_pilot_tone ;too few, restart ... make sound
out (0xfe),a ; switch border ...Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... ld (.checksum),a ; zero checksum
ld c,a ; initialize pilot ... jr .exit ; bail straight out
.read_edge_loop:
... make sound
out (0xfe),a ; switch border ...
