# HG changeset patch
# User Michael Pavone <pavone@retrodev.com>
# Date 1502502228 25200
# Node ID 747c779fc13788e86af1d776a5d24c67a03986b6
# Parent  7e67f8a370517cd23ab8b39cd79a782980fe62da
Avoid generating an instruction that would require a REX prefix when a7 is used as a byte-wide source operand in 32-bit builds. Fixes a fatal error in Dragon's Fury when entering the option menu in a 32-bit build

diff -r 7e67f8a37051 -r 747c779fc137 m68k_core_x86.c
--- a/m68k_core_x86.c	Wed Aug 09 23:33:16 2017 -0700
+++ b/m68k_core_x86.c	Fri Aug 11 18:43:48 2017 -0700
@@ -381,6 +381,11 @@
 		if (!dst && inst->dst.addr_mode == MODE_AREG && inst->extra.size == OPSIZE_WORD) {
 			movsx_rr(code, reg, opts->gen.scratch1, SZ_W, SZ_D);
 			ea->base = opts->gen.scratch1;
+#ifdef X86_32
+		} else if (reg > RBX && inst->extra.size == OPSIZE_BYTE) {
+			mov_rr(code, reg, opts->gen.scratch1, SZ_D);
+			ea->base = opts->gen.scratch1;
+#endif
 		} else {
 			ea->base = reg;
 		}