Difference between revisions of "4B Heal (Rdm(1..9)) 100% Status"

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(fixes the note taking to synergize with other pages)
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  0018a368: 3c038019 lui r3,0x8019             
 
  0018a368: 3c038019 lui r3,0x8019             
 
  0018a36c: 8c632d90 lw r3,0x2d90(r3)        load target current action data pointer
 
  0018a36c: 8c632d90 lw r3,0x2d90(r3)        load target current action data pointer
  0018a370: 00001012 mflo r2                  Load Z * RN
+
  0018a370: 00001012 mflo r2                  Z * RN  
  0018a374: 04410002 bgez r2,0x0018a380      Branches if result greater than or equal to 0
+
  0018a374: 04410002 bgez r2,0x0018a380      Branches if result greater than or equal to 0 (will always branch)
 
  0018a378: 00000000 nop                       
 
  0018a378: 00000000 nop                       
  0018a37c: 24427fff addiu r2,r2,0x7fff      if, when number is signed, the result is a negative, add it (when unsigned) to an immediate. this is a very blaring error in the code
+
  0018a37c: 24427fff addiu r2,r2,0x7fff      result = result + 0x7fff (changes rounding result for negative numbers)
  0018a380: 000213c3 sra r2,r2,0x0f          divide number by 2^15, effectively setting to 0 UNLESS the number was prefaced with a negative sign previously. usually results in 0 due to chance.
+
  0018a380: 000213c3 sra r2,r2,0x0f          Z * RN >> 15 (Random between 0 and Z-1)
  0018a384: 24420001 addiu r2,r2,0x0001      adds 1 to this number. usually results in 1
+
  0018a384: 24420001 addiu r2,r2,0x0001      (Random between 1 and Z)
 
  0018a388: 0c061cd4 jal 0x[[00187350]]          Undead Reversal
 
  0018a388: 0c061cd4 jal 0x[[00187350]]          Undead Reversal
 
  0018a38c: a4620004 sh r2,0x0004(r3)        Store as HP Damage (Changed to healing by above routine)
 
  0018a38c: a4620004 sh r2,0x0004(r3)        Store as HP Damage (Changed to healing by above routine)

Revision as of 14:11, 22 December 2020

[4b] Remove status and restore Rand(1..(X-1)) HP
0018a2ec: 27bdffe8 addiu r29,r29,0xffe8     
0018a2f0: afbf0010 sw r31,0x0010(r29)       
0018a2f4: 0c062b37 jal 0x0018acdc           checks if status adds
0018a2f8: 00000000 nop                      
0018a2fc: 10400024 beq r2,r0,0x0018a390     Branches if status does not add
0018a300: 00000000 nop                      
0018a304: 3c048019 lui r4,0x8019            
0018a308: 8c842d98 lw r4,0x2d98(r4)         Loads Target data pointer
0018a30c: 00000000 nop                      
0018a310: 90820058 lbu r2,0x0058(r4)        Loads Current statuses
0018a314: 00000000 nop                      
0018a318: 30420010 andi r2,r2,0x0010        checks for undead
0018a31c: 10400006 beq r2,r0,0x0018a338     Branches if not undead
0018a320: 00000000 nop                      
0018a324: 3c038019 lui r3,0x8019            
0018a328: 8c632d90 lw r3,0x2d90(r3)         loads target current action data
0018a32c: 94820028 lhu r2,0x0028(r4)        Load Target current HP
0018a330: 080628e2 j 0x0018a388             jumps to jump to undead reversal
0018a334: 00000000 nop
0018a338: 0c063ba8 jal 0x0018eea0           Load random number between 0 and 0x7fff
0018a33c: 00000000 nop                      
0018a340: 3c038019 lui r3,0x8019            
0018a344: 906338db lbu r3,0x38db(r3)        Load used Item ID
0018a348: 00000000 nop                      
0018a34c: 00032040 sll r4,r3,0x01           Item ID * 2
0018a350: 00832021 addu r4,r4,r3            ID * 3
0018a354: 3c018006 lui r1,0x8006            
0018a358: 00240821 addu r1,r1,r4            
0018a35c: 90233f99 lbu r3,0x3f99(r1)        Load Item's Z
0018a360: 00000000 nop                      
0018a364: 00430018 mult r2,r3               Multiply Random Number by item's Z
0018a368: 3c038019 lui r3,0x8019            
0018a36c: 8c632d90 lw r3,0x2d90(r3)         load target current action data pointer
0018a370: 00001012 mflo r2                  Z * RN 
0018a374: 04410002 bgez r2,0x0018a380       Branches if result greater than or equal to 0 (will always branch)
0018a378: 00000000 nop                      
0018a37c: 24427fff addiu r2,r2,0x7fff       result = result + 0x7fff (changes rounding result for negative numbers)
0018a380: 000213c3 sra r2,r2,0x0f           Z * RN >> 15 (Random between 0 and Z-1)
0018a384: 24420001 addiu r2,r2,0x0001       (Random between 1 and Z)
0018a388: 0c061cd4 jal 0x00187350           Undead Reversal
0018a38c: a4620004 sh r2,0x0004(r3)         Store as HP Damage (Changed to healing by above routine)
0018a390: 8fbf0010 lw r31,0x0010(r29)       
0018a394: 27bd0018 addiu r29,r29,0x0018     
0018a398: 03e00008 jr r31                   
0018a39c: 00000000 nop