5.1.1 System interface table (400H-43FH: 64B)

address	size	data Contents	Description
0400h	4B	System information table pointer	Start address of system information table (440h)
0404h	4B	Host interface work pointer	Start address of host interface work (700h)
0408h	4B	Sound area map CRNT work pointer	Sound area map CRNT work start address (500h)
040Ch	4B	Tool interface work pointer	Start address of tool interface work (600h)
0410h	1B	DSP Program load flag	bit7 = 0: no data 1: DSP program load complete
0411h	1B	Reserved area	-
0412h	4B	System interface work pointer	Start address of system interface work (480h)
0416h	2B	Error status	Sound driver error status area
0418h	2B	Hard check status	Hard check return status area
041Ah	2B	Command history offset address	Sound control command history (800h-FFFh) write pointer
041Ch	4B	Reserved area	-
0420h	4B	Error status bitmap	Sound driver error status bitmap
0424h	4B	System interface work pointer	Start address of system interface work (412h copy: for SH)
0428h	24B	Reserved area	-

5.1.2 System information table (440H-47FH: 64B)

offset	size	data Contents	Description
+ 00h	4B	68K program start address	Start address of 68K program area (1000h)
+ 04h	4B	68K program size	68K program area size (6000h)
+ 08h	4B	Sound area map tart address	Start address of sound area map area (A000h)
+ 0Ch	4B	Sound area map size	Sound area map area size (1000h)
+ 10h	4B	68K work tart address	Start address of 68K work area (7000h)
+ 14h	4B	68K work size	68K work area size: (3000h)
+ 18h	40B	Reserved area	-