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N0SPRM1,N0SPRM0
1800EAH
 
 bit 1,0 
 NBG0 (or RBG1) 
 N1SPRM1, N1SPRM0 
 1800EAH 
 bits 3,2 
 NBG1 (or EXBG) 
 N2SPRM1, N2SPRM0 
 1800EAH 
 bits 5,4 
 For NBG2 
 N3SPRM1, N3SPRM0 
 1800EAH 
 bits 7,6 
 NBG3 
 R0SPRM1, R0SPRM0 
 1800EAH 
 bits 9,8 
 for RBG0 

 Prohibit setting 

xxSPRM1
xxSPRM0
 
 Mode 
 Process 
 0 
 0 
 Mode 0 
 The least significant bit of the priority number is specified for each screen 
 0 
 1 
 Mode 1 
 The least significant bit of the priority number is specified for each character 
 1 
 0 
 Mode 2 
 The least significant bit of the priority number is specified for each dot 
1
1
−
[Note] N0, N1, N2, N3, or R0 is entered in the bit name xx.

Color calculation control

Bokeh operation enable bit : Gradation enable bit (BOKEN), bit 15

Specify whether to use the blur calculation function. 

 BOKEN 
 Processing 
 0 
 Do not use the blur calculation function 
 1 
 Use the blur calculation function

Bokeh screen number bit : Gradation number bit (BOKN2 to BOKN0), bits 14 to 12
Specify the screen that uses the blur calculation function. 

 Sprite  
RBG0
 
 NBG0 or RBG1  
 Prohibit setting  
 NBG1 or EXBG  
NBG2
NBG3
 
 Prohibit setting 

BOKN2
BOKN1
 
 BOKN0 
 Bokeh calculation function use screen 
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1

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