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Z80: Difference between revisions
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(Add ''LD A,I and LD A,R in NMOS Z80s'', ''Test programs'', ''See also'' and ''External links'' sections) |
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|/BUSACK || Bus (DMA) acknowledgement | |/BUSACK || Bus (DMA) acknowledgement | ||
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== Replacements == | == Replacements == | ||
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== See also == | == See also == | ||
* [X80], a proposed floating point unit following the Spectrum calculator stack instruction set. | * [X80], a proposed floating point unit following the Spectrum calculator stack instruction set. | ||
== Test programs == | |||
A basic Flags test program for emulators is available [http://homepage.ntlworld.com/mark.woodmass/z80tests.tap here]. Note that the program makes heavy use of ROM data during the tests and so should only be used with an unpatched copy of the original 48K ROM to obtain correct results. | |||
Patrik Rak has written a [http://zxds.raxoft.cz/taps/misc/z80test.zip Z80 instruction tester], as [http://www.worldofspectrum.org/forums/showthread.php?t=41834 announced here]. | |||
== External links == | == External links == | ||