FF7/Field/Script/Opcodes/89 MUL

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Revision as of 11:34, 4 April 2018 by Qhimm>BukTop (1 revision imported)
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  • Opcode: 0x89
  • Short name: MUL
  • Long name: Multiplication (8-bit)

Memory layout

0x89 D/S Dest Oper

Arguments

  • const Bit[4] D: Destination bank
  • const Bit[4] S: Source bank
  • const UByte Dest: The destination variable, to which the operand is multiplied.
  • const UByte Oper: The operand, which is multiplied with the destination.

Description

Multiplies two numbers together and stores the result back into “Dest”. The result of the Multiplication is capped at 255. If the Source Bank is 0 then the the value “Oper” is multiplied with the destination value. If the Source Bank is an 8 bit bank, then the “Oper” is the address in that bank where the operand is.

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