+;-------------------------------------------------------------------------
+; SpartaDOS-X Definitions
+;-------------------------------------------------------------------------
+
+SDX_FLAG = DOS ; 'S' for SpartaDOS
+SDX_VERSION = $0701 ; SD version (e.g. $32 = 3.2, $40 = 4.0)
+ ; address $0702 contains sub-version, e.g.
+ ; 8 in case of SDX 4.48
+SDX_KERNEL = $0703 ; SDX kernel entry point
+SDX_BLOCK_IO = $0706 ; block I/O entry point
+SDX_MISC = $0709 ; "misc" entry point
+SDX_DEVICE = $0761
+SDX_DATE = $077B ; day, month, year (3 bytes)
+SDX_TIME = $077E ; hour, min, sec (3 bytes)
+SDX_DATESET = $0781
+SDX_PATH = $07A0 ; 64 bytes
+SDX_IFSYMBOL = $07EB ; only valid on SDX 4.40 or newer
+SDX_S_LOOKUP = SDX_IFSYMBOL ; alternative name for SDX_IFSYMBOL
+
+; values for SDX_DEVICE
+
+SDX_CLK_DEV = $10 ; clock device
+
+; clock device functions
+
+SDX_KD_GETTD = 100 ; get time and date
+SDX_KD_SETTD = 101 ; set time and date
+