83:ROMCalls:4004

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Synopsis

Official Name: CP_HL_DE , _cphlde

Call Address: 4004h

Non destructive compare of HL and DE.

Inputs

  • hl
  • de

Outputs

  • carry-flag is set if (DE > HL)
  • zero-flag is set if (DE = HL)

Registers Destroyed

  • None.

Comments

  • Its code is: 
 push  hl
 or    a
 sbc   hl,de
 pop   hl
 ret
  • It calls the address 010Fh on every known version of the TI-83 ROM.

Example

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