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6502 Emulator

132 bytes added, 18:30, 15 September 2022
→‎ROM Routines
== ROM Routines ==
These Many 6502 personal/home computers had the operating system installed in read-only memory (ROM) chips. The emulator has a small ROM chip with these routines are defined in ROM: 
* SCINIT $ff81 - Initialize and clear the character display
* CHRIN $ffcf - Input one character from keyboard (returns A (that is, the return value will be placed in the Accumulator register))
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