Files
open-roms/c64/kernal/talk.s
T

11 lines
333 B
ArmAsm

; Function defined on pp272-273 of C64 Programmers Reference Guide
talk:
;; This routine is documented in 'Compute's Mapping the Commodore 64', page 223 and
;; https://www.pagetable.com/?p=1031, , https://github.com/mist64/cbmbus_doc
and #$1F ; make sure bits encoding the command are cleared out
ora #$40
jmp iec_tx_command