mirror of
https://github.com/simon987/Much-Assembly-Required.git
synced 2025-09-16 11:56:54 +00:00
updating action labels
parent
638d0f664a
commit
97122bf838
@ -13,9 +13,9 @@ Floppies contains 80 tracks with 18 sectors per track. That's 1440 sectors of 51
|
||||
### Interrupt Behavior
|
||||
| Value of A | Action | Energy cost | Result |
|
||||
| --- | --- | --- | --- |
|
||||
| `1` | `POLL` | `0 kJ` | Put the status of the drive (`READY` = `0`, `NO_MEDIA`=`1`) in register `B` |
|
||||
| `2` | `READ_SECTOR` | `1 kJ` | Reads sector X to CPU ram starting at address Y |
|
||||
| `3` | `WRITE_SECTOR` | `1 kJ` | Writes sector X from CPU ram starting at Y |
|
||||
| `1` | `FLOPPY_POLL` | `0 kJ` | Put the status of the drive (`READY` = `0`, `NO_MEDIA`=`1`) in register `B` |
|
||||
| `2` | `FLOPPY_READ_SECTOR` | `1 kJ` | Reads sector X to CPU ram starting at address Y |
|
||||
| `3` | `FLOPPY_WRITE_SECTOR` | `1 kJ` | Writes sector X from CPU ram starting at Y |
|
||||
|
||||
Read and write operations are synchronous. Track seeking time is 2ms.*
|
||||
|
||||
|
Loading…
x
Reference in New Issue
Block a user