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Added some notes

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jeffman 2017-03-19 18:28:01 -04:00
parent 9358e52b16
commit 6256a25a51
1 changed files with 3 additions and 0 deletions
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m2-notes.txt
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@ -67,6 +67,8 @@ Hard-coded characters:
0x3005264: active window party member
0x3005270: address of tilemap start in WRAM, can use this to figure out X and Y
0x872E404: door destinations?
LDRB Rx,[Ry,#n]: n has range 0-31 (0x0-0x1F)
LDRH Rx,[Ry,#n]: n has range 0-62 (0x0-0x3E)
LDR Rx,[Ry,#n]: n has range 0-124 (0x0-0x7C) (0-1020 for SP- and PC-relative)
@ -85,6 +87,7 @@ Subroutines
-----------
8001720: play sound effect r0
80A2E00: door-related? r0 = source, r1 = dest
80B8AE0: draw PSI target/PP cost window with PSI index r0
80BD7AC: copy window buffer (primary/secondary)
r0 = 0: copy from primary (2028A58) to secondary (2030A40)