From 2d04cacc5322951f187bb17e017c12920ac8ebe2 Mon Sep 17 00:00:00 2001 From: Mark Zbikowski Date: Thu, 25 Apr 2024 21:24:10 +0100 Subject: MZ is back! --- v4.0/src/BIOS/MSGROUP.INC | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 v4.0/src/BIOS/MSGROUP.INC (limited to 'v4.0/src/BIOS/MSGROUP.INC') diff --git a/v4.0/src/BIOS/MSGROUP.INC b/v4.0/src/BIOS/MSGROUP.INC new file mode 100644 index 0000000..ac6202d --- /dev/null +++ b/v4.0/src/BIOS/MSGROUP.INC @@ -0,0 +1,46 @@ +EVBOUND = 1 ;THIS VALUE BEING 0 DOES NO BOUNDARY ALLIGNMENT, VALUE 1 ;3.30 + ; ALIGNS TO EVEN ;3.30 +; : : : : : : : : : : : : : : ;3.30 + IF EVBOUND ;;IF EVEN (WORD) ALLIGNMENT IS REQUESTED, ;3.30 +; : : : : : : : : : : : : : : ;3.30 +EVENB MACRO ;3.30 + EVEN ;;ADJUST TO EVEN BOUNDARY ;3.30 + ENDM ;3.30 + ;3.30 +ODD MACRO ;3.30 +;;GENERATE BOUNDARY PADDING TO FORCE ODD OFFSET ;3.30 + IF (($-CODE) MOD 2) EQ 0 ;3.30 + DB ? ;3.30 + ENDIF ;3.30 + ENDM ;3.30 + ;3.30 +CODE_SEGMENT MACRO ;3.30 +;;ALLIGN THE SEGMENT ON WORD BOUNDARY TO ALLOW FOR EVEN ALLIGNMENT OF DATA;3.30 +CODE SEGMENT WORD PUBLIC 'CODE' ;3.30 ;3.30 + ENDM ;3.30 + ;3.30 +; : : : : : : : : : : : : : : ;3.30 + ELSE ;;SINCE EVEN ALLIGNMENT IS NOT DESIRED, JUST USE BYTE ALLI;3.30 GNMENT +; : : : : : : : : : : : : : : ;3.30 + ;3.30 +EVENB MACRO ;3.30 +;;REQUEST FOR WORD ALLIGNMENT DOES NOTHING ;3.30 + ENDM ;3.30 + ;3.30 +ODD MACRO ;3.30 +;;REQUEST FOR ODD ALLIGNMENT DOES NOTHING ;3.30 + ENDM ;3.30 + ;3.30 +CODE_SEGMENT MACRO ;3.30 +;;SEGMENT IS ALLIGNED ON BYTE BOUNDARY FOR MINIMUM SIZE OF GENERATION ;3.30 +CODE SEGMENT BYTE PUBLIC 'CODE' ;3.30 + ENDM ;3.30 + ;3.30 +; : : : : : : : : : : : : : : ;3.30 + ENDIF ;3.30 +; : : : : : : : : : : : : : : ;3.30 + ;3.30 + CODE_SEGMENT ;3.30 + ASSUME CS:CODE ;3.30 + ;3.30 + \ No newline at end of file -- cgit v1.2.3