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DISCiPLE: Difference between revisions
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The '''DISCiPLE''' is a floppy disk, joystick, printer, and ZX Network interface that was produced by [[Miles Gordon Technology]]. | The '''DISCiPLE''' is a floppy disk, joystick, printer, and ZX Network interface that was produced by [[Miles Gordon Technology]]. | ||
MGT later went on to produce the [[+D]], which shares the same filesystem but requires G+DOS instead of GDOS, and the SAM Coupé, a somewhat Spectrum-compatible computer with a similar disk interface and an extension of the GDOS/G+DOS filesystem, and uses SAMDOS. | MGT later went on to produce the [[+D]], which shares the same filesystem but requires G+DOS instead of GDOS, and the [[SAM Coupé]], a somewhat Spectrum-compatible computer with a similar disk interface and an extension of the GDOS/G+DOS filesystem, and uses SAMDOS. | ||
== Snapshot bug == | == Snapshot bug == | ||
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The issue here is that EXX only exchanges the BC, DE and HL registers with the shadow registers BC', DE' and HL'. It does not exchange AF and AF', and to do that, a separate instruction, EXX AF,AF' is required. | The issue here is that EXX only exchanges the BC, DE and HL registers with the shadow registers BC', DE' and HL'. It does not exchange AF and AF', and to do that, a separate instruction, EXX AF,AF' is required. | ||
This bug was later fixed by MGT for the +D, in G+DOS. The bug is similarly absent from the [[Messenger]], a product by SAMCo (formed on the assets of MGT after it went into receivership) for transferring Spectrum snapshots to/from a | This bug was later fixed by MGT for the +D, in G+DOS. The bug is similarly absent from the [[Messenger]], a product by SAMCo (formed on the assets of MGT after it went into receivership) for transferring Spectrum snapshots to/from a SAM Coupé — both in the shadow ROM for the Spectrum, and in the companion software that runs on the Coupé. | ||
== External links == | == External links == | ||
* [[Wikipedia:DISCiPLE|Wikipedia's article on the DISCiPLE]] | * [[Wikipedia:DISCiPLE|Wikipedia's article on the DISCiPLE]] | ||