Macintosh-Tools/dingusppc
1
0
Fork 0
mirror of https://github.com/dingusdev/dingusppc.git synced 2024-12-23 21:29:28 +00:00
Code Issues Projects Releases Wiki Activity

Superdrive: support disk-in-drive status.

Browse Source
This commit is contained in:
Maxim Poliakovski 2022-02-06 03:25:35 +01:00
parent 00093bdc95
commit dea863b6e6
2 changed files with 9 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
devices/floppy/superdrive.cpp
View File

@ -31,6 +31,7 @@ using namespace MacSuperdrive;
MacSuperDrive::MacSuperDrive() MacSuperDrive::MacSuperDrive()
{ {
this->media_kind = MediaKind::high_density; this->media_kind = MediaKind::high_density;
this->has_disk = 0; // drive is empty
} }
void MacSuperDrive::command(uint8_t addr, uint8_t value) void MacSuperDrive::command(uint8_t addr, uint8_t value)
@ -61,6 +62,8 @@ uint8_t MacSuperDrive::status(uint8_t addr)
return 1; // yes, Superdrive is double sided return 1; // yes, Superdrive is double sided
case StatusAddr::Drive_Exists: case StatusAddr::Drive_Exists:
return 0; // tell the world I'm here return 0; // tell the world I'm here
case StatusAddr::Disk_In_Drive:
return this->has_disk ^ 1; // reverse logic (active low)!
case StatusAddr::Media_Kind: case StatusAddr::Media_Kind:
return this->media_kind; return this->media_kind;
default: default:

10
devices/floppy/superdrive.h
View File

@ -30,10 +30,11 @@ namespace MacSuperdrive {
/** Apple Drive status request addresses. */ /** Apple Drive status request addresses. */
enum StatusAddr : uint8_t { enum StatusAddr : uint8_t {
MFM_Support = 5, MFM_Support = 5,
Double_Sided = 6, Double_Sided = 6,
Drive_Exists = 7, Drive_Exists = 7,
Media_Kind = 0xF Disk_In_Drive = 8,
Media_Kind = 0xF
}; };
/** Apple Drive command addresses. */ /** Apple Drive command addresses. */
@ -57,6 +58,7 @@ public:
private: private:
uint8_t media_kind; uint8_t media_kind;
uint8_t has_disk;
}; };
}; // namespace MacSuperdrive }; // namespace MacSuperdrive