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Finish DEVICE API extension

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Wayne Warthen
2020-05-27 16:44:52 -07:00
parent b3ec557ab9
commit 9857dda5b5
29 changed files with 129 additions and 20 deletions
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37
Source/Doc/Architecture.md
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@@ -747,6 +747,8 @@ of memory.
| C: Attributes
| D: Device Type
| E: Device Number
| H: Disk Device Unit Mode
| L: Disk Device Unit I/O Base Address
Reports information about the character device unit specified. Register D
indicates the device type (driver) and register E indicates the physical
@@ -966,6 +968,8 @@ Documentation required...
| A: Status (0=OK, else error)
| D: Device Type
| E: Device Number
| H: RTC Device Unit Mode
| L: RTC Device Unit I/O Base Address
Reports information about the RTC device unit specified. Register D
indicates the device type (driver) and register E indicates the physical
@@ -1138,8 +1142,10 @@ Keyboard should be flushed.
| _Exit Results_
| A: Status (0=OK, else error)
| D=Device Type
| E=Device Number
| D: Device Type
| E: Device Number
| H: VDA Device Unit Mode
| L: VDA Device Unit I/O Base Address
Reports information about the video device unit specified.
@@ -1570,6 +1576,33 @@ not play a note if the duration is zero.
For other values, when a tone is played, it will play for the duration defined in HL
and then return.
### Function 0x57 -- Sound Device (SNDDEVICE)
| _Entry Parameters_
| B: 0x57
| C: Sound Device Unit Number
| _Exit Results_
| A: Status (0=OK, else error)
| D: Serial Device Type
| E: Serial Device Number
| H: Serial Device Unit Mode
| L: Serial Device Unit I/O Base Address
Reports information about the sound device unit specified. Register D
indicates the device type (driver) and register E indicates the physical
device number assigned by the driver.
Each character device is handled by an appropriate driver (AY38910, SN76489,
etc.). The driver can be identified by the Device Type. The assigned Device
Types are listed below.
_Id_ | _Device Type / Driver_
---- | ----------------------
0x00 | SN76489
0x10 | AY38910
0x20 | BITMODE
`\clearpage`{=latex}
System (SYS)