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changeset 967:1eb616b8cbe9

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Fix bug in Z80 rrd implementation. This fixes the annoying high pitched wine in Afterburner II.
author Michael Pavone <pavone@retrodev.com>
date Wed, 20 Apr 2016 23:19:13 -0700
parents f765c2fc7508
children 8ff39670781a
files z80_to_x86.c z80_to_x86.h
diffstat 2 files changed, 2 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/z80_to_x86.c	Wed Apr 20 23:00:37 2016 -0700
+++ b/z80_to_x86.c	Wed Apr 20 23:19:13 2016 -0700
@@ -1435,6 +1435,7 @@
 		shl_ir(code, 4, opts->gen.scratch2, SZ_W);
 		and_ir(code, 0xF00F, opts->gen.scratch1, SZ_W);
 		and_ir(code, 0xF0, opts->regs[Z80_A], SZ_B);
+		and_ir(code, 0xF0, opts->gen.scratch2, SZ_W);
 		//opts->gen.scratch1 = 0x2001
 		//opts->gen.scratch2 = 0x0040
 		or_rr(code, opts->gen.scratch2, opts->gen.scratch1, SZ_W);
--- a/z80_to_x86.h	Wed Apr 20 23:00:37 2016 -0700
+++ b/z80_to_x86.h	Wed Apr 20 23:19:13 2016 -0700
@@ -12,7 +12,7 @@
 #ifdef Z80_LOG_ADDRESS
 #define ZMAX_NATIVE_SIZE 255
 #else
-#define ZMAX_NATIVE_SIZE 128
+#define ZMAX_NATIVE_SIZE 160
 #endif
 
 enum {