Difference between revisions of "83:ROMCalls:4004"
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| − | [[Category:83:ROMCalls:By_Name|Cphlde]][[Category:83:ROMCalls:By_Address|4004 - Cphlde]] | + | [[Category:83:ROMCalls:By_Name:Math|Cphlde]][[Category:83:ROMCalls:By_Name|Cphlde]][[Category:83:ROMCalls:By_Address|4004 - Cphlde]] |
== Synopsis == | == Synopsis == | ||
'''Official Name:''' CP_HL_DE , _cphlde | '''Official Name:''' CP_HL_DE , _cphlde | ||
Latest revision as of 08:08, 31 March 2005
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.
