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Diffstat (limited to 'opcodes/z8k-dis.c')
-rw-r--r--opcodes/z8k-dis.c69
1 files changed, 55 insertions, 14 deletions
diff --git a/opcodes/z8k-dis.c b/opcodes/z8k-dis.c
index 02f5dcb..0ac0fc8 100644
--- a/opcodes/z8k-dis.c
+++ b/opcodes/z8k-dis.c
@@ -26,7 +26,7 @@
#include "z8k-opc.h"
#include <setjmp.h>
-
+
typedef struct
{
/* These are all indexed by nibble number (i.e only every other entry
@@ -472,12 +472,53 @@ unpack_instr (instr_data_s *instr_data, int is_segmented, disassemble_info *info
}
}
-static char *intr_names[] = {
- "all", /* 0 */
- "vi", /* 1 */
- "nvi", /* 2 */
- "none" /* 3 */
-};
+static void
+print_intr(char *tmp_str, unsigned long interrupts)
+{
+ int comma = 0;
+
+ *tmp_str = 0;
+ if (! (interrupts & 2))
+ {
+ strcat (tmp_str, "vi");
+ comma = 1;
+ }
+ if (! (interrupts & 1))
+ {
+ if (comma) strcat (tmp_str, ",");
+ strcat (tmp_str, "nvi");
+ }
+}
+
+static void
+print_flags(char *tmp_str, unsigned long flags)
+{
+ int comma = 0;
+
+ *tmp_str = 0;
+ if (flags & 8)
+ {
+ strcat (tmp_str, "c");
+ comma = 1;
+ }
+ if (flags & 4)
+ {
+ if (comma) strcat (tmp_str, ",");
+ strcat (tmp_str, "z");
+ comma = 1;
+ }
+ if (flags & 2)
+ {
+ if (comma) strcat (tmp_str, ",");
+ strcat (tmp_str, "s");
+ comma = 1;
+ }
+ if (flags & 1)
+ {
+ if (comma) strcat (tmp_str, ",");
+ strcat (tmp_str, "p");
+ }
+}
static void
unparse_instr (instr_data_s *instr_data, int is_segmented)
@@ -529,12 +570,12 @@ unparse_instr (instr_data_s *instr_data, int is_segmented)
strcat (out_str, tmp_str);
break;
case CLASS_IMM:
- if (datum_value == ARG_IMM2) /* True with EI/DI instructions only. */
- {
- sprintf (tmp_str, "%s", intr_names[instr_data->interrupts]);
- strcat (out_str, tmp_str);
- break;
- }
+ if (datum_value == ARG_IMM2) /* True with EI/DI instructions only. */
+ {
+ print_intr (tmp_str, instr_data->interrupts);
+ strcat (out_str, tmp_str);
+ break;
+ }
sprintf (tmp_str, "#0x%0lx", instr_data->immediate);
strcat (out_str, tmp_str);
break;
@@ -563,7 +604,7 @@ unparse_instr (instr_data_s *instr_data, int is_segmented)
strcat (out_str, tmp_str);
break;
case CLASS_FLAGS:
- sprintf (tmp_str, "0x%0lx", instr_data->flags);
+ print_flags(tmp_str, instr_data->flags);
strcat (out_str, tmp_str);
break;
case CLASS_REG_BYTE: