Difference between revisions of "SYMBiFACE II:I/O Map Summary"

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|'''#FD17-#FD3F''' ||? ||?
 
|'''#FD17-#FD3F''' ||? ||?
 
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|}
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== See also ==
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* [[Programming:SYMBiFACE_II|SYMBiFACE II documentations]]
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[[Category:Programming]]

Revision as of 02:18, 12 February 2010

Port Read Write
#7Fxx N/A Standard RAM Expansion (512K)
#DFxx N/A Upper ROM Bank
#FD00-#FD05 ? ?
#FD06 IDE Alternate Status IDE Digital Output
#FD07 IDE Drive Address N/A
#FD08 IDE Data Register IDE Data Register
#FD09 IDE Error Register IDE (Write Precomp Reg.)
#FD0A IDE Sector Count IDE Sector Count
#FD0B IDE Sector Number IDE Sector Number
#FD0C IDE Cylinder Low IDE Cylinder Low
#FD0D IDE Cylinder High IDE Cylinder High
#FD0E IDE SDH Register IDE SDH Register
#FD0F IDE Status Register IDE Command Register
#FD10 PS/2 Mouse Status N/A
#FD11 ROM Enable SYMBiFACE II Roms ROM Disable SYMBiFACE II Roms
#FD12-#FD13 ? ?
#FD14 RTC Data RTC Data
#FD15 N/A RTC Index
#FD16 ? ?
#FD17 Map upper ROM to 4000h-7FFFh
(for writing to FLASH ROMs)
Don't map Upper ROM to 4000h-7FFFh
(default)
#FD17-#FD3F ? ?

See also