Memory map

Start Address	End Address	Size	Description
0x80000000	0x817FFFFF	24 MB	MEM1 Memory (Cached)
0xC0000000	0xC17FFFFF	24 MB	MEM1 Memory (Uncached)
0x90000000	0x93FFFFFF	64 MB	MEM2 Memory (Cached)
0xD0000000	0xD3FFFFFF	64 MB	MEM2 Memory (Uncached)

The IOS Heap range is 0x933E0000-0x93400000 it is shown in registers 0x80003130(Start), 0x80003130(End). The top 12MB of MEM2 memory is allocated to Starlet.

Broadway / IOS Global Memory Locations

Address	Size	Value	Description
0x80000000	6	0x525350453031	Game Code 'RSPE01' (Wii Sports)
0x80000018	4	0x5D1C9EA3	Wii Game ID
0x80000020	4	0x0D15EA5E	Nintendo Standard Boot Code.
0x80000024	4	0x00000001	Unknown
0x80000028	4	0x01800000	Memory Size (Physical) 24MB
0x8000002C	4	0x00000023	Production Board Model
0x80000030	4	0x00000000	Unknown
0x80000034	4	0x817FEC60	Arena High
0x80000038	4	0x817FEC60	Same as Arena High
0x8000003C	4	0x00001394	Unknown
0x800000EC	4	0x81800000	Dev Debugger Monitor Address (If present)
0x800000F0	4	0x01800000	Simulated Memory Size
0x800000F4	4	0x00000000	Unknown / Unused
0x800000F8	4	0x0E7BE2C0	Console Bus Speed
0x800000FC	4	0x2B73A840	Console CPU Speed
0x80003130	8	0x933E0000, 0x93400000	IOS Heap Range
0x80003138	4	0x00000011	Hollywood Version
0x80003140	8	0x00090204,0x00062507	IOS version
0x80003158	4	0x0000FF16	GDDR Vendor Code
0x80003180	4	0x52535045	Game ID 'RSPE' Wii Sports ID (Written by Apploader)
0x80003184	4	0x80000000	Unknown Flag (Set by Apploader)
0x8000318C	4	0x00000000	Title Booted from NAND (Launch Code)
0x80003190	4	0x00000000	Title Booted from NAND (Return Code)
0x800030F0	4	0x00000000	DOL Execute Parameters