-
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…
... if you already know C, because there are a ... state of the joystick pins in a specific order)
in an I/O bus ... // put the Z80 data bus in high impedance mode.
// ... the same ?: ternary operator as in C)
assign d = ( ... -
ZX7: an "optimal" LZ77 packerAbout 20 years ago, I started a M.Sc. in Computing, planning to work on data compression. Although I quickly changed to another subject for a number …
... the XOR: the bits lost in the matches are more than ... the bits won in the zeroes.[/QUOTE]
in C. Using this, I can perform ... -
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…
... reversible (splits the positions in groups of 1 and 2 ... can be splitted in 5 reversible steps, so in 6 passes ( ... I have created a routine in C that uses only 2 buffers ... and another of 0x100) in a single pass. But ... so it's not feasible in Z80.
[ ... -
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 have created a routine in C that uses only 2 buffers ... 0x800 and another of 0x100) in a single pass. But it ... so it's not feasible in Z80.[/QUOTE]
Actually ... to convert RCS to SCR in a single pass using a ... -
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…
... /> Yes. This is the code in C, in a single pass without buffer ... -
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…
... ]Yes. This is the code in C, in a single pass without buffer ... -
Newbie Spectrum developer advice ....Hi, Im new to the site and to spectrum developing - well, not quite, I wrote Spectrum programmes in Basic 30 years ago but then went off into the wo…
... /> you might find redoing it in c would be beneficial , some folk ... -
Why, Speccy?OK, wanna see something strange? Go to your Spectrum (or Spectrum emulator), and type PRINT 10-100*0.1 :-o:-o:-o Why???
... fail, not only in the Spectrum but in any computer and programming ... .3
returns False in C#. (maybe it's because of ... -
Red DwarfA Red Dwarf video game - good or bad idea? (given its recent resurgence in popularity in the UK) My ideas: [b]Plots[/b] - An interquel which bridg…
... .
Whatever it's done in will need converting into a ... be able to do it in BlitzBasic or a very old ... . If someone could do it in C# in the free version of Microsoft ... could learn a bit of C# along the way. -
Newbie Spectrum developer advice ....Hi, Im new to the site and to spectrum developing - well, not quite, I wrote Spectrum programmes in Basic 30 years ago but then went off into the wo…
... you know C, is to rewrite your prog in C and compile using ... head around paging), fit more in 48K anyway, and if you ... -
Red DwarfA Red Dwarf video game - good or bad idea? (given its recent resurgence in popularity in the UK) My ideas: [b]Plots[/b] - An interquel which bridg…
... Most of my coding is in C, which means that I ... fast storage device attached. In the extra banks I ... numbered and indexed in a simple data structure in low RAM. ... it's stored, pages in the corret page, then ... every interrupt it gets paged in, does its job updating ... -
Bottom 4 lines of the screen fileI'm wanting to save the bottom 4 lines of the display memory (AT 20,0 to #0; AT 1,31) 23168 is the start of the attributes and its length will be 32…
... ,20 ; Screen Row
LD C,0
CALL GETPRADDR
LD C,0
CALL GETPRADDR
in HL
GETATTR LD ...
; Screen print coords in C,B on entry
; Address ... -
.Z80 File Format when exported by SpecEmuI'm trying to parse a .Z80 file generated by SpecEmu but am getting a few discrepancies from [url=http://www.worldofspectrum.org/faq/reference/z80for…
I'll plug libspectrum at this point. Sure, it's C and you're in C#, but it would probably be less effort to wrap it with some pInvoke calls than it would to reinvent .z80 parsing. -
.Z80 File Format when exported by SpecEmuI'm trying to parse a .Z80 file generated by SpecEmu but am getting a few discrepancies from [url=http://www.worldofspectrum.org/faq/reference/z80for…
... . Sure, it's C and you're in C#, but it would probably ... 'm pretty sure parsing it in C# was a quicker solution for ... fan of "unsafe" (keyword) code in C#.[/strike] -
Emulator audio...how?Hi all. I am in the process of writing a Spectrum emulator (c#) for my final year project at university. I've got it all working, apart from sound. …
... ]
"...Project written in C#. Currently it works on Windows ... -
MegaManZXMega Man for ZX Spectrum [center] [IMG]http://i45.tinypic.com/2ho90rd.gif[/IMG] [IMG]http://i49.tinypic.com/dzt7bd.png[/IMG] [IMG]http://i49.tinyp…
... down, say, limited in general to the very ... good at creating games in compiled BASIC (iirc) ... did find the Mayhem in Monsterland one! Yay![/ ... dedicated graphical engine written in assembly which would render ... logic can be easily written in C (z88dk) or BASIC ... -
MegaManZXMega Man for ZX Spectrum [center] [IMG]http://i45.tinypic.com/2ho90rd.gif[/IMG] [IMG]http://i49.tinypic.com/dzt7bd.png[/IMG] [IMG]http://i49.tinyp…
... a dedicated graphical engine written in assembly which would render the ... logic can be easily written in C (z88dk) or BASIC (ZX Basic ... -
MegaManZXMega Man for ZX Spectrum [center] [IMG]http://i45.tinypic.com/2ho90rd.gif[/IMG] [IMG]http://i49.tinypic.com/dzt7bd.png[/IMG] [IMG]http://i49.tinyp…
... a dedicated graphical engine written in assembly which would render the ... logic can be easily written in C (z88dk) or BASIC (ZX Basic ... /> I figured as much but in my own layman way of ... name. The graphics were done in a silhouette style, which I ... -
MegaManZXMega Man for ZX Spectrum [center] [IMG]http://i45.tinypic.com/2ho90rd.gif[/IMG] [IMG]http://i49.tinypic.com/dzt7bd.png[/IMG] [IMG]http://i49.tinyp…
... a dedicated graphical engine written in assembly which would render the ... logic can be easily written in C (z88dk) or BASIC (ZX Basic ... -
Announcing MetroSpec: ZX Spectrum 16/48K Emulator for Windows Phone 7 / 8Hi All, I'm the author of MetroSpec, a ZX Spectrum 16/48K emulator for Windows Phone 7 / 8. MetroSpec V1.3 was actually launched in September 2012, …
Arjun given you have a WP7.5 and Zero which appears to be written in C# I'm surprised you've not ported it over... my z80 c# core ported without a single line change, obviously the UI needs changing though.... -
Announcing MetroSpec: ZX Spectrum 16/48K Emulator for Windows Phone 7 / 8Hi All, I'm the author of MetroSpec, a ZX Spectrum 16/48K emulator for Windows Phone 7 / 8. MetroSpec V1.3 was actually launched in September 2012, …
... yours has) emulator core written in C#/XNA on my Mozart uses ... -
Assembler v Machine CodeHi. I've been looking at a lot of the code examples in the Development section and can see that Assembler is the way to go. However, I was wondering …
... =BloodBaz;689884]Bear in mind everyone that Dr ... He programs Spectri whilst in free fall during parachute ... achieve the results needed in the timescale given and ... I used to write in pure machine code when ... the CPU!!! type in hex, type in C++, even use HTML ... -
Assembler v Machine CodeHi. I've been looking at a lot of the code examples in the Development section and can see that Assembler is the way to go. However, I was wondering …
... a thrill when typing in a small routine in opticode, or getting ... expressing a logic heavy function in C/C++ (and then bringing it down ... is just not enough hours in the day! -
Tracking down the last few bugsHi all. My emulator nears completion. Like many, I have tested against the FUSE suite of tests, and my emulator passes every one. However, I still h…
... with overflow and half borrow in such a situation. CPIR & ... (of course),
IN r, (C) - not sure what the problem ... to the docs
IN C - likewise
LD A ... -
Using FOR/NEXT like 'while'I don't know if this has already been discussed (I did search, but the search engine didn't like the word 'while'), but here's a way of using a FOR/N…
... UNTIL). Do note that in C (and some other languages), ... WHILE can be used in 2 different ways:
...
The FOR example in the first post mimics more ... of the second one, in which not the "condition" ... but most people who works in C doesn't know this. ... -
Using FOR/NEXT like 'while'I don't know if this has already been discussed (I did search, but the search engine didn't like the word 'while'), but here's a way of using a FOR/N…
[QUOTE=Timmy;690976]
Edit: I know it's technically an until construction, but most people who works in C doesn't know this. :p[/QUOTE]
until now -
Circumspect - A Spectrum Emulator for learningThis is a project that I have been playing around with for a while. It must be said, I tend to have problems getting things finished where hobbies a…
... targeting a different language, in cases where direct porting of ... , CPU power consumption will increase in proportion.
... been written in C, since it produces just-in-time compiled ... using the documentation, and in this particular case, rearranging ... -
Bounding into the App Store in the morning - Spectaculator 5Happy 31st Birthday, ZX Spectrum! [IMG]https://pbs.twimg.com/media/BIfVWmpCEAAQ84S.png[/IMG] :) Jon.
... you had to write everything in C#. Can't throw aways 11 ... -
The Great Escape disassemblyHi, Over the past few months I've been steadily chipping away at reverse engineering Denton Designs' classic 48K title, The Great Escape. I'm now a…
... the beginnings of a reimplementation in C.
The current code ... -
ReRun - Speccy OutRun done better[IMG]http://img.photobucket.com/albums/v661/Swainy_boy/outrundelux_zpsb772e8cd.gif[/IMG] Any takers? Smaller sprites, faster game.
... -pixel mode is supported in Pentagon 1024 SL 2 ... -pixel mode is supported in all versions of ATM ... /> Both modes are supported in Unreal Speccy emulator.
... ATM Turbo 2/ZX Evolution in C language: [url]http:// ... real Spectrum have 320x200 mode in it now: [url] ...
