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From http://www.jwz.org/xscreensaver/xscreensaver-5.37.tar.gz
[xscreensaver]
/
hacks
/
asm6502.c
diff --git
a/hacks/asm6502.c
b/hacks/asm6502.c
index 2228a38e4052b93e31d28a7f3077b2a0c7bed65e..c95e5babd9e8e50cbb9fd0cf3017e173edfbeb18 100644
(file)
--- a/
hacks/asm6502.c
+++ b/
hacks/asm6502.c
@@
-29,7
+29,14
@@
#include <assert.h>
#include <ctype.h>
#include <math.h>
#include <assert.h>
#include <ctype.h>
#include <math.h>
-#include <inttypes.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+#if defined(HAVE_STDINT_H)
+# include <stdint.h>
+#elif defined(HAVE_INTTYPES_H)
+# include <inttypes.h>
+#endif
#include <unistd.h>
#include "yarandom.h"
#include <unistd.h>
#include "yarandom.h"
@@
-1874,7
+1881,7
@@
static BOOL translate(m6502_Opcodes *op,Param *param, machine_6502 *machine){
if (op->BRA) {
pushByte(machine, op->BRA);
{
if (op->BRA) {
pushByte(machine, op->BRA);
{
- int diff =
(param->lbladdr -
machine->defaultCodePC);
+ int diff =
abs((int)param->lbladdr - (int)
machine->defaultCodePC);
int backward = (param->lbladdr < machine->defaultCodePC);
pushByte(machine, (backward) ? 0xff - diff : diff - 1);
}
int backward = (param->lbladdr < machine->defaultCodePC);
pushByte(machine, (backward) ? 0xff - diff : diff - 1);
}