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Utility routines: SwitchToCharSet

[Elite-A, Encyclopedia]

Name: SwitchToCharSet [Show more] Type: Subroutine Category: Utility routines Summary: Switch the MOS character definitions into memory at &C000 on a BBC Master
Context: See this subroutine in context in the source code References: This subroutine is called as follows: * DOENTRY calls SwitchToCharSet
\ --- Mod: Code added for Elite-A: --------------------> IF _BUG_FIX .SwitchToCharSet \ This routine switches the MOS character definitions \ into memory at &C000 on a BBC Master LDA #0 \ Call OSBYTE with A = 0 and X = 1 to fetch bit 0 of the LDX #1 \ operating system version into X JSR OSBYTE CPX #3 \ If X =< 3 then this is not a BBC Master, so jump to BCC char1 \ char1 to continue drawing the character JSR savews \ Call savews to put the character set in the correct \ place .char1 RTS \ Return from the subroutine ENDIF \ --- End of added code ------------------------------->