Table 4.3 (a) Frame buffer switching mode usage example (VBE = 0 fixed)
Set value * 1 | * 2 | * 2 | Frame buffer | switch | |
FCM | FCT | ||||
0 | 0 | Draw | Display + Erase Light | 1-cycle mode | 60 frames / |
| | | Display + Erase Light | Draw | ||
| | | Draw | Display + Erase Light | ||
| | | Display + Erase Light | Draw | ||
1 | 1 | Draw | Display + Erase Light | Manual Mode (Change) * 3 | |
| | | Display | Draw | | 20 frames / |
1 | 0 | Display | Draw | Manual mode (erase) * 4 | |
1 | 1 | Display + erase light | Draw | Manual mode (change) * 4 | |
| | | Draw | Display | | |
1 | 0 | Draw | Display | Manual mode (erase) * 5 | |
0 | 0 | Draw | Display + Erase Light | 1-cycle mode | |
| | | Display + Erase Light | Draw | 60 frames / | |
| | | Draw | Display + Erase Light |
[Note] * 1 Value written to the register immediately after V blank OUT interrupt * 2 Switches from the beginning of the field * 3 Changes from 1-cycle mode to manual mode. * 4 Be sure to specify erase and change in succession. * 5 Specify erase in the field immediately before switching to 1-cycle mode