Difference between revisions of "Get Elemental Ability ID"
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(Created page with " 0017f2d8: 27bdffe8 addiu r29,r29,0xffe8 0017f2dc: afbf0010 sw r31,0x0010(r29) 0017f2e0: 0c060428 jal 0x001810a0 Map Location Calculation 0017f2e4: 00000000 nop 0017f...") |
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| Line 1: | Line 1: | ||
| + | ----------------------------------------- | ||
| + | Preserve r4 for Map Location Calculation | ||
| + | Returns r2 as geomancy ability ID | ||
| + | ----------------------------------------- | ||
0017f2d8: 27bdffe8 addiu r29,r29,0xffe8 | 0017f2d8: 27bdffe8 addiu r29,r29,0xffe8 | ||
0017f2dc: afbf0010 sw r31,0x0010(r29) | 0017f2dc: afbf0010 sw r31,0x0010(r29) | ||
| − | 0017f2e0: 0c060428 jal 0x001810a0 | + | 0017f2e0: 0c060428 jal 0x001810a0 -->[[Map Location Calculation]] |
0017f2e4: 00000000 nop | 0017f2e4: 00000000 nop | ||
| − | 0017f2e8: 000210c0 sll r2,r2,0x03 | + | 0017f2e8: 000210c0 sll r2,r2,0x03 r2 = Tile ID * 8 |
0017f2ec: 3c018019 lui r1,0x8019 | 0017f2ec: 3c018019 lui r1,0x8019 | ||
| − | 0017f2f0: 00220821 addu r1,r1,r2 | + | 0017f2f0: 00220821 addu r1,r1,r2 r1 = 8019XXXX (XXXX = tile ID * 8) |
| − | 0017f2f4: 9022f8cc lbu r2,-0x0734(r1) | + | 0017f2f4: 9022f8cc lbu r2,-0x0734(r1) r2 = Tile's Type |
0017f2f8: 00000000 nop | 0017f2f8: 00000000 nop | ||
| − | 0017f2fc: 3042003f andi r2,r2,0x003f | + | 0017f2fc: 3042003f andi r2,r2,0x003f r2 = Tile's type filter out terrain type |
0017f300: 3c018006 lui r1,0x8006 | 0017f300: 3c018006 lui r1,0x8006 | ||
| − | 0017f304: 00220821 addu r1,r1,r2 | + | 0017f304: 00220821 addu r1,r1,r2 r1 = 8006XXXX (XXXX = terrain type) |
| − | 0017f308: 9022e9d0 lbu r2,-0x1630(r1) | + | 0017f308: 9022e9d0 lbu r2,-0x1630(r1) r2 = Elemental Ability ID (from terrain type) *see notes |
0017f30c: 8fbf0010 lw r31,0x0010(r29) | 0017f30c: 8fbf0010 lw r31,0x0010(r29) | ||
0017f310: 27bd0018 addiu r29,r29,0x0018 | 0017f310: 27bd0018 addiu r29,r29,0x0018 | ||
0017f314: 03e00008 jr r31 | 0017f314: 03e00008 jr r31 | ||
0017f318: 00000000 nop | 0017f318: 00000000 nop | ||
| + | --------------------------------------- | ||
| + | Notes | ||
| + | - 0x8005e9D0 = start of geomancy table that links terrain type to ability | ||
| + | --------------------------------------- | ||
| + | |||
| + | ==Return location== | ||
| + | 0018b690: [[Pre_Formula_Setup_(FDC)]] | ||
Revision as of 19:04, 3 June 2021
----------------------------------------- Preserve r4 for Map Location Calculation Returns r2 as geomancy ability ID ----------------------------------------- 0017f2d8: 27bdffe8 addiu r29,r29,0xffe8 0017f2dc: afbf0010 sw r31,0x0010(r29) 0017f2e0: 0c060428 jal 0x001810a0 -->Map Location Calculation 0017f2e4: 00000000 nop 0017f2e8: 000210c0 sll r2,r2,0x03 r2 = Tile ID * 8 0017f2ec: 3c018019 lui r1,0x8019 0017f2f0: 00220821 addu r1,r1,r2 r1 = 8019XXXX (XXXX = tile ID * 8) 0017f2f4: 9022f8cc lbu r2,-0x0734(r1) r2 = Tile's Type 0017f2f8: 00000000 nop 0017f2fc: 3042003f andi r2,r2,0x003f r2 = Tile's type filter out terrain type 0017f300: 3c018006 lui r1,0x8006 0017f304: 00220821 addu r1,r1,r2 r1 = 8006XXXX (XXXX = terrain type) 0017f308: 9022e9d0 lbu r2,-0x1630(r1) r2 = Elemental Ability ID (from terrain type) *see notes 0017f30c: 8fbf0010 lw r31,0x0010(r29) 0017f310: 27bd0018 addiu r29,r29,0x0018 0017f314: 03e00008 jr r31 0017f318: 00000000 nop --------------------------------------- Notes - 0x8005e9D0 = start of geomancy table that links terrain type to ability ---------------------------------------
Return location
0018b690: Pre_Formula_Setup_(FDC)
