--- pgp/src/platform.h	2018/04/24 16:38:53	1.1
+++ pgp/src/platform.h	2018/04/24 16:39:36	1.1.1.2
@@ -78,6 +78,7 @@
 #ifndef PORTABLE
 
 #ifdef MSDOS
+#ifndef i386 /* gcc */
 #define UNIT16
 #define MUNIT16
 #define mp_setp		P_SETP
@@ -89,6 +90,7 @@
 #define mp_set_recip	P_SETRECIP
 #define SMITH
 #define PLATFORM_SPECIFIED
+#endif /* i386 */
 #endif /* MSDOS */
 
 #ifdef VMS
@@ -171,6 +173,28 @@
 #define PLATFORM_SPECIFIED
 #endif /* sparc */
 
+#if defined(mc68000) || defined(mc68020)
+/*
+ * Needs mc68020.S
+ */
+#define UNIT32
+#define mp_setp		P_SETP
+#define mp_addc		P_ADDC
+#define mp_subb		P_SUBB
+#define mp_rotate_left	P_ROTL
+#define unitfill0(r,ct) memset((void*)r, 0, (ct)*sizeof(unit))
+#if defined(sun3) || defined(mc68020)
+# define UPTON
+# define MUNIT32
+# define mp_smul	P_SMUL
+# define mp_dmul	P_DMUL
+#else
+# define SMITH
+# define MUNIT16
+#endif
+#define PLATFORM_SPECIFIED
+#endif /* mc68000 */
+
 /* Add additional platforms here ... */
 
 /**************** End of system specification ************************/