bit name 

 bit abbreviation 

 Address 

 bit 

 Special Priority Mode 

 N0SPRM 

 1800EAH 

 1,0 

 For NBG0 (or RBG1) 

 Special Priority Mode 

 N1SPRM 

 1800EAH 

 3,2 

 For NBG1 (or EXBG) 

 Special Priority Mode 

 N2SPRM 

 1800EAH 

 5,4 

 For NBG2 

 Special Priority Mode 

 N3SPRM 

 1800EAH 

 7,6 

 For NBG3 

 Special Priority Mode 

 R0SPRM 

 1800EAH 

 9,8 

 for RBG0 

 Color calculation enable 

 N0CCEN 

 1800ECH 

 0 

 For NBG0 (or RBG1) 

 Color Math Enable 

 N1CCEN 

 1800ECH 

 1 

 NBG1 (or EXBG) 

 Color Math Enable 

 N2CCEN 

 1800ECH 

 2 

 For NBG2 

 Color Math Enable 

 N3CCEN 

 1800ECH 

 3 

 For NBG3 

 Color Math Enable 

 R0CCEN 

 1800ECH 

 4 

 for RBG0 

 Color Math Enable 

 LCCCEN 

 1800ECH 

 5 

 For LNCL 

 Color Math Enable 

 SPCCEN 

 1800ECH 

 6 

 For sprites 

 Color calculation mode 

 CCMD 

 1800ECH 

 8 

 Color calculation ratio mode 

 CCRTMD 

 1800ECH 

 9 

 Extended color calculation enable 

 EXCCEN 

 1800ECH 

 10 

 Bokeh calculation enable 

 BOKEN 

 1800ECH 

 15 

 Bokeh screen number 

 BOKN 

 1800ECH 

 14-12 

 Special Color Calculation Mode 

 N0SCCM 

 1800EEH 

 1,0 

 For NBG0 (or RBG1) 

 Special Color Calculation Mode 

 N1SCCM 

 1800EEH 

 3,2 

 For NBG1 (or EXBG) 

 Special Color Calculation Mode 

 N2SCCM 

 1800EEH 

 5,4 

 For NBG2 

 Special Color Calculation Mode 

 N3SCCM 

 1800EEH 

 7,6 

 For NBG3 

 Special Color Calculation Mode 

 R0SCCM 

 1800EEH 

 9,8 

 for RBG0 

 Priority number 
 (for sprites) 

 S0PRIN 

 1800F0H 

 2-0 

 Sprite register 0 

 Priority number 
 (for sprites) 

 S1PRIN 

 1800F0H 

 10-8 

 Sprite register 1 

 Priority number 
 (for sprites) 

 S2PRIN 

 1800F2H 

 2-0 

 Sprite Register 2 

 Priority number 
 (for sprites) 

 S3PRIN 

 1800F2H 

 10-8 

 Sprite register 3 

 Priority number 
 (for sprites) 

 S4PRIN 

 1800F4H 

 2-0 

 Sprite register 4 

 Priority number 
 (for sprites) 

 S5PRIN 

 1800F4H 

 10-8 

 Sprite Register 5 

 Priority number 
 (for sprites) 

 S6PRIN 

 1800F6H 

 2-0 

 Sprite register 6 

 Priority number 
 (for sprites) 

 S7PRIN 

 1800F6H 

 10-8 

 Sprite register 7