definition IP (Initial Program) size (number of bytes) is specified.
Size 4 bytes
Regulations AIP is added immediately after the boot code to make one file, and the size of the file is specified.
.
The parameter must be a longword boundary (multiple of 4H).
Range 1000H ~ 8000H 

STACK-M (Start address: E8H)

 definition Master-SH2 stack pointer address.
The default (0 specification) 6001000H to 6001FFFH will be the stack area.
Size 4 bytes
The specified parameter must be a longword boundary (a multiple of 4H).
Range: 600B000H to 6100000H 

STACK-S (Start address: ECH)

 definition Slave-SH2 stack pointer address.
6000E00H ~ 6000FFFH is the stack area by default (0 specification).
Size 4 bytes
The specified parameter must be a longword boundary (a multiple of 4H).
Range: 600A200H to 6100000H 

1st READ ADDRESS (Start address: F0H)

 definition Transfer address of prefetch file (1st READ FILE).
Pre-read file refers to the boot system transferred to WORKRAM while the license Sega logo is displayed.
A file.
Size 4 bytes
Regulation 0H is not transferred.
When transferring, if it is a CD, the file with file identifier [2] is transferred. The parameter is
It must be a longword boundary (a multiple of 4H).
Range 200000H-300000H
(6002000H + IPSIZE) ~ 600000H
Supplement See “4.7 Prefetched Files and Application Initial Program”.
The prefetch file must be on the MODE1 track. It must be track 1.
The file with the file identifier [2] is the first file in the root directory. F
If the file name is “1ST.BIN”, etc., it will be sorted first. 

1st READ SIZE (Start address: F4H)

 definition Ignored for CDs.
Size 4 bytes
The specified parameter must be a longword boundary (a multiple of 4H).