diff options
author | AJR <ajrhacker@users.noreply.github.com> | 2020-07-18 14:08:26 -0400 |
---|---|---|
committer | AJR <ajrhacker@users.noreply.github.com> | 2020-07-18 14:08:26 -0400 |
commit | 5716df3b90022ff46abed1a8e6e24dc4f6a70908 (patch) | |
tree | 8fd35da2182a7faa1dda47df359c49fbf7de977c /src/devices/bus | |
parent | a1bb5475cc1a6ce4c18f8a130a9f3f55c0669fc5 (diff) |
aha1542c: ASIC note
Diffstat (limited to 'src/devices/bus')
-rw-r--r-- | src/devices/bus/isa/aha1542c.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/devices/bus/isa/aha1542c.cpp b/src/devices/bus/isa/aha1542c.cpp index 82504c8e26e..de8e2f1fb65 100644 --- a/src/devices/bus/isa/aha1542c.cpp +++ b/src/devices/bus/isa/aha1542c.cpp @@ -99,6 +99,13 @@ Adaptec AHA-1540CF/1542CF Installation Guide http://download.adaptec.com/pdfs/installation_guides/aha1540cf_ig.pdf */ +/* +Adaptec QFP ASICs +— AHA-1540/42C: AIC-???? (covered by sticker) +— AHA-1540/42CP: AIC-7970Q +— AHA-1540/42CF: AIC-3370P, AIC-???? (covered by sticker) +*/ + #include "emu.h" #include "aha1542c.h" #include "cpu/z80/z80.h" @@ -141,7 +148,7 @@ http://download.adaptec.com/pdfs/installation_guides/aha1540cf_ig.pdf #define CMD_NOP 0x00 // No operation #define CMD_MBINIT 0x01 // mailbox initialization #define CMD_START_SCSI 0x02 // Start SCSI command -#define CMD_BIOSCMD 0x03 // undocumented BIOS conmmand (shadow RAM etc.) +#define CMD_BIOSCMD 0x03 // undocumented BIOS command (shadow RAM etc.) #define CMD_INQUIRY 0x04 // Adapter inquiry #define CMD_EMBOI 0x05 // enable Mailbox Out Interrupt #define CMD_SELTIMEOUT 0x06 // Set SEL timeout |