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Visitor II
September 22, 2018
Question

STM8 Opcode Map

  • September 22, 2018
  • 0 replies
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Attached is based on PM0044 'STM8 CPU programming manual' Doc ID 13590 Rev 3, 2011-09.

LibreOffice Calc workbook with five sheets:

  • 1st Byte - instructions with no pre-code (i.e. opcode is one byte) or whose first byte is a pre-code (i.e. opcode is two bytes)
  • (1st Byte = PWSP), 2nd Byte - second byte of instructions whose first byte is PWSP pre-code
  • (1st Byte = PDY), 2nd Byte - second byte of instructions whose first byte is PDY pre-code
  • (1st Byte = PIY), 2nd Byte - second byte of instruction whose first byte is PIY pre-code
  • (1st Byte = PIX), 2nd Byte - second byte of instructions whose first byte is PIX pre-code
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