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48K protectionWhich games were 'protected' by loading a full 48K block of code so that no copy program could fit in to memory? I know of 2 by heard. Pole Positio…
... put the Sysvar code (1704 bytes) at the end of compressed ... -
Calling all coding munkeez...Having spent the last 8 years as a Windows application developer I thought I'd try my hand at a bit of Z80 speccy coding - something I missed out on …
... of RAM
49152 Bytes
32768 Bytes needed for ZX81ROM and ... RAM
06912 Bytes needed for Spectrum-screen
00256 Bytes needed for printerbuffer
00512 ... />
leaves only 8704 bytes to program a full working ... -
Cross compilersAre there any z80 cross compilers out there which will produce spectrum files ready for use? That is to say something which I could copy a load of te…
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If you add 2 bytes in front (in your assembler ... -
line routineWondered if anyone can help me out. I have been programming a 3d graphics library for the spectrum, in Machine code. The line routine that I have i…
PAW questionThis may not be the right place but anyways there it goes: I've been trying to figure out how to import graphic files in .SCR format in the PAW parse…
... the adventure. The next two bytes are poked with the values ...what is tr-dos ?well you saw the topic [img]/__forums/images/smiles/icon_smile.gif[/img]
... sectors, each sector is 256 bytes. There are 160 tracks (159 ...a questionwho can tell us the peek-poke address of the ZX Spectrum Ram Top??
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More specifically, 23730, 2 bytes, LSB first.Stop me from blowing up my original Spectrum 128!I have a Spectrum 128 (not the +2), and I want to play some of those old classic games again. The trouble is this. I still have the original Power Su…
... , as i had a Fidelity chess computer circa1980 from Toys'R ...Certain Games Wanted - Very Good Prices PaidHi I have been after a few games now for ages and have turned to this forum as the last resort, can you help? I will pay ?5.00 for each of the follo…
... following rom carts:
Chess - Psion
Hungry Horace - Melbourne ...Calling all coding munkeez...Having spent the last 8 years as a Windows application developer I thought I'd try my hand at a bit of Z80 speccy coding - something I missed out on …
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[quote]leaves only 8704 bytes to program a full working ... ) you have
about 16 bytes to emulate every opcode.
Oh come now, 16 bytes? That's pessimistic to say ...
