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Super Mario 64s source code (from a leak on 4chan so be careful)
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super-mario-64/lib/asm/osWritebackDCache.s

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6 years ago
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  2. .set noreorder # don't insert nops after branches
  3. .set gp=64
  5. .include "macros.inc"
  8. .section .text, "ax"
  10. glabel osWritebackDCache
  11. blez $a1, .osWritebackDCacheReturn
  12. nop
  13. li $t3, 8192
  14. bgeu $a1, $t3, .L80324E40
  15. nop
  16. move $t0, $a0
  17. addu $t1, $a0, $a1
  18. bgeu $t0, $t1, .osWritebackDCacheReturn
  19. nop
  20. andi $t2, $t0, 0xf
  21. addiu $t1, $t1, -0x10
  22. subu $t0, $t0, $t2
  23. .L80324E28:
  24. cache 0x19, ($t0)
  25. bltu $t0, $t1, .L80324E28
  26. addiu $t0, $t0, 0x10
  27. .osWritebackDCacheReturn:
  28. jr $ra
  29. nop
  31. .L80324E40:
  32. lui $t0, 0x8000
  33. addu $t1, $t0, $t3
  34. addiu $t1, $t1, -0x10
  35. .L80324E4C:
  36. cache 1, ($t0)
  37. bltu $t0, $t1, .L80324E4C
  38. addiu $t0, 0x10 # addiu $t0, $t0, 0x10
  39. jr $ra
  40. nop