This commit is contained in:
Phillip Stevens
2020-01-07 19:36:06 +11:00
committed by GitHub
parent 57f54b325c
commit 34540fff54

View File

@@ -2025,18 +2025,18 @@ SD_DSKBUF .DW 0 ; ADR OF ACTIVE DISK BUFFER
;
MIRROR:
#IF (((SDMODE == SDMODE_CSIO) | (SDMODE == SDMODE_MK4) | (SDMODE == SDMODE_SC)) & SDCSIOFAST)
; FASTEST BUT USES MOST CODE SPACE
; FASTEST BUT USES MOST CODE SPACE
LD BC,MIRTAB ; 256 BYTE MIRROR TABLE
ADD A,C ; ADD OFFSET
ADD A,C ; ADD OFFSET
LD C,A
JR NC,MIRROR2
INC B
MIRROR2:
LD A,(BC) ; GET RESULT
LD C,A ; RETURN RESULT IN C
LD C,A ; RETURN RESULT IN C
RET
#ELSE
; SLOWER BUT LESS CODE SPACE
; SLOWER BUT LESS CODE SPACE
LD C,A ; A = 76543210
RLCA
RLCA ; A = 54321076