Differences

This shows you the differences between two versions of the page.

--- x68000:dmac [2017/09/11 10:30] – added MTC, MAR, DAR, BTC, BAR, NIV, EIV registers neko68k
+++ x68000:dmac [2017/09/11 10:37] – [Register Descriptions] forgot some bits for MFC neko68k
@@ Line 36: / Line 36: @@
 |+0x27|1.b|R/W|[[dmac#eiv|EIV]] - Error Interrupt Vector|
 |+0x28|1.b| |---|
-|+0x29|1.b|R/W|MFC - Memory Function Code|
+|+0x29|1.b|R/W|[[dmac#mfc|MFC]] - Memory Function Code|
 |+0x2A|1.w| |---|
 |+0x2C|1.b| |---|
@@ Line 146: / Line 146: @@
 ---
-MTC<BOOKMARK:mtc> - Memory Transfer Counter (+0x0A)
+MTC<BOOKMARK:mtc> - Memory Transfer Counter (+0x0A) \\
 Number of transfer operands.
 ---
-MAR<BOOKMARK:mar> - Memory Address Register (+0x0C)
+MAR<BOOKMARK:mar> - Memory Address Register (+0x0C) \\
 Start memory transfer address.
 ---
-DAR<BOOKMARK:DAR> - Device Address Register (+0x14)
+DAR<BOOKMARK:DAR> - Device Address Register (+0x14) \\
 Start device transfer adddress.
 ---
-BTC<BOOKMARK:BTC> - Base Transfer Counter (+0x1A)
+BTC<BOOKMARK:BTC> - Base Transfer Counter (+0x1A) \\
 Number of transfer blocks (the number of transfer information tables) in array chain mode.
 ---
-BAR<BOOKMARK:BAR> - Base Address Register (+0x1C)
+BAR<BOOKMARK:BAR> - Base Address Register (+0x1C) \\
 Start address of the transfer information table in array chain/link array chain mode.
 ---
-NIC<BOOKMARK:niv> - Normal Interrupt Vector (+0x25)
+NIC<BOOKMARK:niv> - Normal Interrupt Vector (+0x25) \\
 Vector number to be used for interrupt generated when CSR ERR is %0.
 ---
-EIV<BOOKMARK:eiv> - Error Interrupt Vector (+0x27)
+EIV<BOOKMARK:eiv> - Error Interrupt Vector (+0x27) \\
 Vector number to be used for the interrupt generated when CSR ERR is %1.
+---
+MFC<BOOKMARK:mfc> - Memory Function Code (+0x29)
+^  7  ^  6  ^  5  ^  4  ^  3  ^  2  ^  1  ^  0  ^
+|  0  |||||  FC2  |  FC1  |  FC0  |
+^Bits^Description^
+|  7~3  |0|
+|  2~0  |Memory function code \\ %000: Unused \\ %001: User data \\ %010: User program \\ %011: Unused \\ %100: Unused \\ %101: Supervisor data \\ %110: Supervisor program \\ %111: Interrupt acknowledge|