Mitsubishi Electric Apricot, Руководство пользователя

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T e c h n i c a l I n f o r m a t i o n
OWNER’S HANDBOOK 5-43
BIOS Page Register 120h (write only)
This controls the BIOS and SRAM paging. All bits are cleared on reset.
When the Flash disk/SRAM decoding is disabled, the BIOS has a page
size of 32 Kbytes. Bit 4 of the Control Register = 0.
Bits Function
7:3 n/a
2:1 BIOS page (0 3)
0 n/a
When Flash disk/SRAM decoding is enabled, the BIOS has a page size
of 16 Kbytes. Bit 4 of the Control Register = 1
Bits Function
7:3 n/a
2:0 BIOS page (0 7)
DOS Flash Page Register 121h (write only)
This controls the Flash disk paging. All bits are cleared on reset.
Bits Function
7:0 Flash disk page (0 255)