-
A tidy loader for minigamesThe minigame competition doesn't permit the use of separate loaders like [code]10 LOAD "": RAND USR 32768[/code] The loader must be included in the b…
The minigame competition doesn't permit the use of separate loaders like
[code]10 LOAD "": RAND USR 32768[/code]
The loader must be included in the byte count.
In an attempt to save as many bytes as possible, people have written ... -
zxs v0.2 releasedI have released v0.2 of zxs if anyone is interested, judging by the response to the first release, I'd say not, but I'm gonna do it anyway!. It has h…
... a breakpoint on a specific opcode.
[URL="http://zxs ... -
Automatic opcode to machine codeHi everyone, Would people use a program that you enter opcodes and it automatically converts them to machine code and saves them to a file. So if yo…
Hi everyone,
Would people use a program that you enter opcodes and it automatically converts them to machine code and saves them to a file.
So if you used it you would type:
LD A,01
LD B,01
ADD A,B
LD B,0< ... -
designing a computerHi everyone! I am designing a 4 bit computer and i need some advice, is this a good instruction set? [CODE] BINARY OPCODE DESCRIPTION 00000 nop…
... ?
[CODE]
BINARY OPCODE DESCRIPTION
00000 nop ... -
Is converting Microdrive formats possible???Hi. First post. I'm a long-time Speccy owner, was lost, but found my way home! :D I have a Disciple as well... Now to my question, but first the …
... had it, with an emulated PlusD setup, I OPEN'ed a ... even tried altering the MGT PlusD "OPEN" channel code to open ... -
Z80 disassembler C/C++ source codeHello, I just thought I might share the [URL="http://zxds.raxoft.cz/docs/z80d.cpp"]source code[/URL] of the Z80 disassembler I have written for [URL…
... the Z80 CPU breaks the opcode sequences into their components.
Welcome back Spectaculator!Hmm, I have to evaluate this again. It's the first emu I've tried that actually seems to boots the PlusD. Is there any way of speeding up the disc …
Hmm, I have to evaluate this again.
It's the first emu I've tried that actually seems to boots the PlusD.
Is there any way of speeding up the disc image access? (I'm impatient...)writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... interpret each value as an opcode or operand?
2 ...[NEW] Speccy for Android ReleasedHello, All! A while ago, I have released the Android version of [i]Speccy[/i], my ZX Spectrum emulator. It emulates Spectrum 16k, 48k, 128k, +2, +2A…
AND,XOR,OR,BIT,RES,SET,CPL,NEG,RLC,RRC,SLA,SRL,RL, RR,SRA for BASICAs this was drifting away from the original INKEY$ thread I thought that I'd create a new one. So here's a routine to provide all of the above mentio…
... /> ld b,c ;calc 2nd opcode for BIT n (uses AND ... /> RESSET: sla c ;calc 2nd opcode for RES,SET
sla ...The short blocks loaded in Jet Pac(Hope this have not been previously discussed. If so, my apologies) Is there any reason why Jet Pac loads three short blocks after the main block? I…
... (E9h) is nothing but the opcode of the JP (HL) instruction ...Datel plusD set up, with drive, discs, instructions etcPreviously one of the crown jewels of my collection, imminent baby means I need the money more! If you're looking at this you likely know what it i…
Previously one of the crown jewels of my collection, imminent baby means I need the money more!
If you're looking at this you likely know what it is - if you want to load, save and save snapshots to disc at any point this is the device for ...128 Heatsink Machine UpgradesThe title says it all - anything I can do to upgrade this machine? Thanks. I already have a PlusD and a DivIDE +..
The title says it all - anything I can do to upgrade this machine?
Thanks.
I already have a PlusD and a DivIDE +..8080 opcode question ?Never mind I think I have worked it out
Never mind I think I have worked it outWhere to find (black) external 3.5" floppy drivesI'm searching like a maniac, but I can't seem to find 3.5" external drives of external drive enclosures anywhere. What I need: some single or dual e…
... be used with Disciple or PlusD.
I prefer if the ... be used with Disciple or PlusD, it would be nice if ...Would there be interest in new powered dual-floppy setups?I can make some of these dual diskdrive sets: [img]http://benophetinternet.nl/hobby/vanmezelf/IMG_3046.JPG[/img] [img]http://benophetinternet.nl/ho…
... set is compatible with the PlusD, Disciple and other disk systems ...SpecBAS 0.730 Now available!Well, I felt I should release SpecBAS as it is right now - my new son has been born (this one survived! \o/ ) and when he comes home I'll have very l…
... ] will list your code in "opcode" form used by the VM ...Quick OpCode Q...Leet emulat0r makerz.... I've seen two versions for this set of OpCodes, obviously they are undocumented.... FDCB d 40 BIT 0,(IY+d) (From Seans z80…
Leet emulat0r makerz....
I've seen two versions for this set of OpCodes, obviously they are undocumented....
FDCB d 40 BIT 0,(IY+d) (From Seans z80 doc)
FDCB d 40 BIT 0,(IY+d),B (This makes more sense.)
...2nd OpCode question.... pretty please...Whats 0xED 0x70 please? Sean's doc says: IN F,(C)* / IN (C)* That doesn't mean much to me :( Lower down in Sean's doc it says: ED 70 is IN F,(n) so…
Whats 0xED 0x70 please?
Sean's doc says: IN F,(C)* / IN (C)*
That doesn't mean much to me :(
Lower down in Sean's doc it says: ED 70 is IN F,(n) so would that would make it make it the same as IN A,(n) but with the flag ...A "bit" of a curiosityHaving to use a bit of m/code to do the AND in that key check function, I was prompted to revisit the "AND,XOR,OR,...for BASIC" topic and came up wit…
... = val2 = 2nd number
c = opcode = 0(OR), 1(AND), 2 ... SUB FN b(val1,val2,opcode,bits,nnnn,0)
....
ULA bug and snowI am tryng to improve the snow emulation in FBZX wii but I do not have a real spectrum to test the results. I used the information taken from Harele…
... the 4th cycle of a opcode fetch cycle and if the ...50 old floppy discs with various Amiga stuff onA bit random I know but just sitting in the loft minding their own business. [url]http://www.ebay.co.uk:80/itm/ws/eBayISAPI.dll?ViewItem&item=2809…
... /> may be useful for the plusD/disciple users on here...Conversion of Paralactika DemoHello, we are producing our disk magazine SCENE+ and wanted to release the demo PARALACTIKA by DeMarche. However, we failed to contact that group, b…
... 128k Mode. No problem for PlusD/Disciple or Opus versions, but ...Elliptical ChallengeSubsequent to the recent "Graph Plot" thread, I wrote this general purpose ellipse drawing routine which will plot (although it doesn't actually use …
... ;calculate the SET b,(HL) opcode for bitpos
add a ...Repair / technical knowledge baseI wish to start a dedicated repair and technical knowledge base, something that can be upgraded in time with more info. Maybe this question has been…
...
- PC keyboard interfaces
- PlusD
- Proface
- Stereo audio ...48k+MF1+plusD problemThis is annoying, the setup I want to use is a rubber 48k, Multiface 1 (mainly because of the joystick port) and a +D, however, the NMI doesnt bring …
This is annoying, the setup I want to use is a rubber 48k, Multiface 1 (mainly because of the joystick port) and a +D, however, the NMI doesnt bring up the menu, either resets or corrupts the screen (joystick does work though) an MF128 does exactly what ...Power supply info (for Plus D)Hi all, My Plus D power supply died a while back and I'm trying to source a replacement. The original is 5V @ 350mA and I've seen a replacement wit…
... the 350mA drawn by the PlusD. In other words: is the ...August sales[COLOR="Blue"]I have about everything listed here in stock. But some of it must be made ready (with custom wishes). [B]Buying directly will save you…
... any floppy disk interface[/B] (PlusD, Disciple, Betadisk, QL interfaces and ...
