Nintendo 1504166 Programming Manual - Page 100
Sound Control, SOUNDCNT_L [d11 - 08] R Output Flag for each Sound
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AGB Programming Manual Sound 10.7 Sound Control The output ratio for direct sound and sound can be set using the SOUNDCNT_H register. Final sound control can be achieved with the SOUNDCNT_L register. NR50 and NR51 are each based on their counterparts in CGB. Address 080h Register SOUND CNT_L 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00 Attributes Initial Value NR51 NR50 R/W 0000h L Output Level 0-7 Sound 1 R Output Flag Sound 2 R Output Flag Sound 3 R Output Flag Sound 4 R Output Flag Sound 1 L Output Flag Sound 2 L Output Flag Sound 3 L Output Flag Sound 4 L Output Flag R Output Level 0-7 SOUNDCNT_L [d15 - 12] L Output Flag for each Sound No output of that sound to L when 0. Output of that sound to L when 1. SOUNDCNT_L [d11 - 08] R Output Flag for each Sound No output of that sound to R when 0. Output of that sound to R when 1. SOUNDCNT_L [d06 - 04] L Output Level L output level can be set to any of 8 levels. However, there is no effect on direct sound. SOUNDCNT_L [d02 - 00] R Output Level R output level can be set to any of 8 levels. However, there is no effect on direct sound. ©1999 - 2001 Nintendo of America Inc. 100 D.C.N. AGB-06-0001-002B4