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The host sends a ROM version request frame with a hex key code 07C.
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ID DD110 |
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Code 7C hexa |
Binary frame format: 11010000 00000000 01111100
On receipt of this frame, the console immediately responds with a response frame containing in the 2nd byte the version number (major and minor) of the ROM and a key code equal to 7C hex.
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ID DD110 |
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vvv = major version n° - mmm minor version n° |
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Code 7C hexa |
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Code 7C hexa |