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.text
#ifndef __MWERKS__
.set r0,0; .set r1,1; .set r2,2; .set r3,3; .set r4,4
.set r5,5; .set r6,6; .set r7,7; .set r8,8; .set r9,9
.set r10,10; .set r11,11; .set r12,12; .set r13,13; .set r14,14
.set r15,15; .set r16,16; .set r17,17; .set r18,18; .set r19,19
.set r20,20; .set r21,21; .set r22,22; .set r23,23; .set r24,24
.set r25,25; .set r26,26; .set r27,27; .set r28,28; .set r29,29
.set r30,30; .set r31,31; .set f0,0; .set f2,2; .set f3,3
#endif
.align 4
.extern ExitFromTileGodHack
.extern TileTable
.global NEW_GetTileFromTileTable
NEW_GetTileFromTileTable:
andi. r0, r3, 0x8000
beq UseRegular
li r4, 0x7FFF
and r3, r3, r4
blr
UseRegular:
lis r4, TileTable@h
ori r4, r4, TileTable@l
clrlslwi r0, r3, 16, 1
lhzx r3, r4, r0
blr
.global TileGodHack
TileGodHack:
lwz r4, 4(r3) # Load settings
extrwi. r0, r4, 1, 16 # Get and check the "use regular tile" flag
extrwi r4, r4, 3, 17 # Get the tile number OR tileset number
bne Special
lis r3, TileGodTiles@h
ori r3, r3, TileGodTiles@l
slwi r4, r4, 1
lhzx r25, r3, r4
b ExitFromTileGodHack
Special:
lwz r3, 4(r3) # Load settings
srwi r3, r3, 20 # Get tile number
andi. r3, r3, 0xFF # Cut off top nybble
slwi r4, r4, 8 # Shift tileset number
or r3, r3, r4 # Add tileset number
ori r25, r3, 0x8000 # Add "get regular tile" flag
b ExitFromTileGodHack
.data
TileGodTiles:
.short 0x7C, 0x02, 0x0C, 0x7B, 0x0F, 0x00
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