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space optimisation algorithm neededScenario: * An adventure game consists of a series of locations, each of which may or may not have some text and/or graphics associated with it. * A…
... not fit into the base RAM at the same time.
RAM) + 1.
B* Traverse each ... too big for the available RAM; or
G* a segment ... -
Which machine should be emulated at startup?The [url=http://www.worldofspectrum.org/forums/showthread.php?t=37743]previous poll[/url] produced a fairly convincing majority of people in favour o…
... emulator was closed, but with RAM wiped and the Z80 reset. -
Beta/Sam/Master basic as spectrum ROMWith emulators being trivial to use to insert new ROMs into - and even in the physical world, RAM in place of ROM by use of a modified multiface or s…
... even in the physical world, RAM in place of ROM by ... -
I Remember "Back In The Day"Forgive me for rambling (Led Zeppelin wrote a song about it). . . I remember my Dad buying a computer in 1996? Pentium 100, 8 Mb Ram. I remember spe…
... 1996? Pentium 100, 8 Mb Ram. I remember spending 50 pounds ... on another 8mb of Ram just to play Quake in ... -
Flexibase SoftwareHi folks, [url]http://www.worldofspectrum.org/infoseekpub.cgi?regexp=^Flexibase+Software$[/url] David Wornham kindly sent me some disks to dump for…
... load screens into the 128k RAM pages. Also the Z80s don ... -
128K heatsink no color in composite video and bad antenna outputI am currently repairing a ZX Spectrum 128K heatsink model. It gives no colors on composite video output, and very bad antenna output. I opened it a…
... there must have been a failure with the 12V (what other ... -
BOB the Screen BuilderHere's my first attempt to use that tokenising idea from "more on storing mazes" in a screen designer - "[url=http://www.users.globalnet.co.uk/~jg27p…
... located at the top of RAM to leave as much room ... -
Is the PlusD board design available (in Eagle format)?Someone knows if the PlusD board design is available in Eagle format? I'm thinking of producing PlusD light interfaces: want to leave out the parall…
... costs for a prototype and failure, or using the original design ... -
4116 SRAM replacement (and ULA timings).As mentioned in another thread, I have spent quite a lot of time experimenting with different circuits and components for using a static RAM IC to re…
... components for using a static RAM IC to replace the lower ... RAM 4116s in a Spectrum. I ... , CPU access to the lower RAM seems to work perfectly. However ... bytes it reads from display RAM.
