■ Bitmap palette number register
- Bitmap palette number register specifies the palette number and special function bits when the scroll screen is displayed in bitmap format. This is a write-only 16-bit register located at addresses 18002CH to 18002EH. The value is cleared to 0 after power-on or reset, so be sure to set it.
Special priority bit (for bitmap) : Bit map special priority bit
- (N0BMPR, N1BMPR, R0BMPR)
Specified special priority bit when scroll screen is displayed in bitmap format.
N0BMPR 18002CH bit 5 NBG0
N1BMPR 18002CH Bit 13 For NBG1
R0BMPR 18002EH bit 5 For RBG0
Please refer to “ 11.2 Special priority function ” for the usage of this bit.
- Special color calculation bit (for bitmap) : Bit map special color calculation bit
- (N0BMCC, N1BMCC, R0BMCC)
Specified special color calculation bit when scroll screen is displayed in bitmap format.
N0BMCC 18002CH Bit 4 NBG0
N1BMCC 18002CH Bit 12 For NBG1
R0BMCC 18002EH Bit 4 For RBG0
Please refer to “ 12.2 Special Color Arithmetic Function ” for how to use this bit.
Special priority bit (for bitmap) : Bit map special priority bit
Specified special priority bit when scroll screen is displayed in bitmap format.
| N0BMPR | 18002CH | bit 5 | NBG0 |
| N1BMPR | 18002CH | Bit 13 | For NBG1 |
| R0BMPR | 18002EH | bit 5 | For RBG0 |
Please refer to “ 11.2 Special priority function ” for the usage of this bit.
Specified special color calculation bit when scroll screen is displayed in bitmap format.
| N0BMCC | 18002CH | Bit 4 | NBG0 |
| N1BMCC | 18002CH | Bit 12 | For NBG1 |
| R0BMCC | 18002EH | Bit 4 | For RBG0 |
Please refer to “ 12.2 Special Color Arithmetic Function ” for how to use this bit.