Routines
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BE13: Switch To Normal Screen Output
Used by the routines at ClearScreen, ClearLines, SetDefaultScreenPosition, SetScreenPosition, PrintString, Print_RoomGraphic, Handler_UserInput and UserInput_Enter.
Open the upper screen channel without disturbing the registers.
SwitchNormalScreenOutput BE13 PUSH HL Stash HL, DE, BC and AF on the stack.
BE14 PUSH DE
BE15 PUSH BC
BE16 PUSH AF
BE17 LD A,$02 Set the current output channel to the main screen (stream 02) using CHAN_OPEN.
BE19 CALL $1601
BE1C POP AF Restore AF, BC, DE and HL from the stack.
BE1D POP BC
BE1E POP DE
BE1F POP HL
BE20 RET Return.
View the equivalent code in;
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