Mercurial > hg > Members > kono > nitros9-code
view defs/cocosdc.d @ 3276:524cf44d557d
Dragon ports: Replace mb scripts
The old ones used shell features that don't work with
the standard level 1 shell, so they probably never worked.
Replace them with the standard floppy ones used in the
other level 1 ports, but rename them since they
are for the DECB RB1773-based controllers.
| author | Tormod Volden <debian.tormod@gmail.com> |
|---|---|
| date | Sat, 07 Mar 2020 23:15:04 +0100 |
| parents | 3afecdae6f53 |
| children |
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******************************************************************** * cocosdc.d - CoCo SDC definitions * * $Id$ * * Edt/Rev YYYY/MM/DD Modified by * Comment * ------------------------------------------------------------------ * 2014/05/02 Boisy G. Pitre * Created * 2014/12/22 Darren Atkinson * Additional hardware symbols IFNE COCOSDC.D-1 COCOSDC.D SET 1 * Main Port Address (V.PORT) SDAddr SET $FF4A * Hardware Addressing - CoCo Scheme CTRLATCH equ $FF40 controller latch (write) CMDREG equ $FF48 command register (write) STATREG equ $FF48 status register (read) PREG1 equ $FF49 param register 1 PREG2 equ $FF4A param register 2 PREG3 equ $FF4B param register 3 DATREGA equ PREG2 first data register DATREGB equ PREG3 second data register FLSHDAT equ $FF42 flash data register * Status Register Masks BUSY equ %00000001 set while a command is executing READY equ %00000010 set when ready for a data transfer FAILED equ %10000000 set on command failure * Command and Mode Values CMDMODE equ $43 control latch value to enable command mode CMDREAD equ $80 read logical sector CMDWRITE equ $A0 write logical sector CMDEX equ $C0 extended command CMDEXD equ $E0 extended command with data block ENDC