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 N0CAOS2 ~ N0CAOS0 
 1800E4H 
 bits 2-0 
 NBG0 (or RBG1) 
 N1CAOS2 to N1CAOS0 
 1800E4H 
 bits 6 to 4 
 NBG1 (or EXBG) 
 N2CAOS2 to N2CAOS0 
 1800E4H 
 bits 10 to 8 
 NBG2 
 N3CAOS2 to N3CAOS0 
 1800E4H 
 bits 14 to 12 
 NBG3 
 R0CAOS2 to R0CAOS0 
 1800E6H 
 bits 2 to 0 
 for RBG0 
 SPCAOS2 to SPCAOS0 
 1800E6H 
 bits 6 to 4 
 for sprites 

● Line color screen enable

Line color screen enable bit : Line color enable bit

(N0LCEN, N1LCEN, N2LCEN, N3LCEN, R0LCEN, SPLCEN)
∙ Specify whether to insert a line color screen when each screen is the top image.

N0LCEN
1800E8H
 bit 0 
 NBG0 (or RBG1) 
 N1LCEN 
 1800E8H 
 bit 1 
 NBG1 (or EXBG) 
 N2LCEN 
 1800E8H 
 bit 2 
 For NBG2 
 N3LCEN 
 1800E8H 
 bit 3 
 NBG3 
 R0LCEN 
 1800E8H 
 bit 4 
 for RBG0 
 SPLCEN 
 1800E8H 
 bit 5 
 For sprites 

 xxLCEN 
 Processing 
 0 
 Do not insert a line color screen when the corresponding screen is the top image 
 1 
 Insert a line color screen when the corresponding screen is the top image 
[Note] N0, N1, N2, N3, R0, or SP is entered in the bit name xx.

Special priority mode

Special priority mode bit : Special priority mode bit

(N0SPRM1, N0SPRM0, N1SPRM1, N1SPRM0, N2SPRM1, N2SPRM0, N3SPRM1, N3SPRM0, R0SPRM1, R0SPRM0)
Specified special priority function mode for each scroll screen.


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