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Special color calculation mode

Special color calculation mode bit

(N0SCCM1, N0SCCM0, N1SCCM1, N1SCCM0, N2SCCM1, N2SCCM0, N3SCCM1, N3SCCM0, R0SCCM1, R0SCCM0)
Specified special color calculation function mode for each scroll screen. 

N0SCCM1, NOSCCM0
1800EEH
 bits 1,0 
 NBG0 (or RBG1) 
 N1SCCM1, N1SCCM0 
 1800EEH 
 bits 3,2 
 NBG1 (or EXBG) 
 N2SCCM1, N2SCCM0 
 1800EEH 
 bits 5,4 
 For NBG2 
 N3SCCM1, N3SCCM0 
 1800EEH 
 bits 7,6 
 NBG3 
 R0SCCM1, R0SCCM0 
 1800EEH 
 bits 9,8 
 for RBG0 

 Specify color calculation enable for each screen  
 Specify color calculation enable for each character  
 Specify color calculation enable for each dot  
 Color calculation enable is specified by the most significant bit of color data 

xxSCCM1
xxSCCM0
 
 Mode 
 Process 
0
0
0
0
1
1
1
0
2
1
1
3
[Note] N0, N1, N2, N3, or R0 is entered in the bit name xx.

Priority number (sprite 0, 1)

Priority number (sprite 2, 3)

● Priority number (Sprite 4, 5)

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