Routines
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64CE: Switch To Normal Screen Output
Used by the routines at ClearScreen, ClearLines, SetDefaultScreenPosition, SetScreenPosition, PrintString and Handler_UserInput.
Send subsequent printing to the main screen.
SwitchToNormalScreenOutput 64CE PUSH HL Keep the caller's registers while the screen channel is selected.
64CF PUSH DE
64D0 PUSH BC
64D1 PUSH AF
64D2 LD A,$02 Open channel 02, the main screen.
64D4 CALL $1601
64D7 POP AF Restore the registers the channel change used from the stack.
64D8 POP BC
64D9 POP DE
64DA POP HL
64DB RET Return.
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