From: j8takagi <j8takagi@nifty.com>
Date: Tue, 3 Jul 2018 14:54:15 +0000 (+0900)
Subject: COMET IIモニターに、コマンドQUITとREVERSEを追加
X-Git-Tag: v0.5p1~12
X-Git-Url: https://j8takagi.net/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2a1b2ba47ff6596864ab38c8d9419e3c1372ef6e;p=YACASL2.git

COMET IIモニターに、コマンドQUITとREVERSEを追加
---

diff --git a/include/exec.h b/include/exec.h
index fb8e6b3..3e36e4b 100644
--- a/include/exec.h
+++ b/include/exec.h
@@ -396,11 +396,15 @@ void dspregister();
  */
 bool disassemble_file(const char *file);
 
+
 /**
- * @brief COMET IIモニターを起動する
+ * @brief COMET IIのメモリーを逆アセンブルし、標準出力へ出力する
  *
  * @return なし
+ *
+ * @param *start 逆アセンブルの開始位置
+ * @param *end 逆アセンブルの終了位置
  */
-void monitor();
+void disassemble_memory(WORD start, WORD end);
 
 #endif            /* YACASL2_EXEC_INCLUDEDの終端 */
diff --git a/include/monitor.h b/include/monitor.h
index 3530061..4b8c1fe 100644
--- a/include/monitor.h
+++ b/include/monitor.h
@@ -130,4 +130,11 @@ bool delbps(WORD adr);
  */
 void freebps();
 
+/**
+ * @brief COMET IIモニターを起動する
+ *
+ * @return なし
+ */
+void monitor();
+
 #endif        /* end of MONITOR_INCLUDE */
diff --git a/src/exec.c b/src/exec.c
index 7329776..2bca011 100644
--- a/src/exec.c
+++ b/src/exec.c
@@ -851,13 +851,48 @@ execfin:
     }
 }
 
+void disassemble_cmd_adr_x(CMDTYPE cmdtype, const char *cmdname, WORD word, WORD adr, WORD loc)
+{
+    WORD x;
+    char *g;
+    fprintf(stdout, "\t%s\t", cmdname);
+    if(cmdtype == R_ADR_X) {
+        fprintf(stdout, "%s,", g = grstr((word & 0x00F0) >> 4));
+        FREE(g);
+    }
+    fprintf(stdout, "#%04X", adr);
+    if((x = (word & 0x000F)) != 0) {
+        fprintf(stdout, ",%s", g = grstr(x));
+        FREE(g);
+    }
+    fprintf(stdout, "\t\t\t\t; #%04X: #%04X #%04X", loc, word, adr);
+}
+
+void disassemble_cmd_r(CMDTYPE cmdtype, const char *cmdname, WORD word, WORD loc)
+{
+    char *g, *g1, *g2;
+    fprintf(stdout, "\t%s", cmdname);
+    if(cmdtype == R1_R2) {
+        g1 = grstr((word & 0x00F0) >> 4);
+        g2 = grstr(word & 0x000F);
+        fprintf(stdout, "\t%s,%s", g1, g2);
+        FREE(g1);
+        FREE(g2);
+    } else if(cmdtype == R_) {
+        g = grstr((word & 0x00F0) >> 4);
+        fprintf(stdout, "\t%s", g);
+        FREE(g);
+    }
+    fprintf(stdout, "\t\t\t\t; #%04X: #%04X", loc, word);
+}
+
 bool disassemble_file(const char *file)
 {
     bool stat = true;
     FILE *fp;
-    WORD i = 0, w, cmd, x, adr;
+    WORD i = 0, w, cmd, adr;
     CMDTYPE cmdtype = 0;
-    char *cmdname, *g, *g1, *g2;
+    char *cmdname;
 
     assert(file != NULL);
     if((fp = fopen(file, "rb")) == NULL) {
@@ -868,46 +903,19 @@ bool disassemble_file(const char *file)
     create_code_cmdtype();                          /* 命令のコードとタイプがキーのハッシュ表を作成 */
 
     fprintf(stdout, "MAIN\tSTART\n");
-    for(; ;) {
-        fread(&w, sizeof(WORD), 1, fp);
-        if(feof(fp)) {
-            break;
-        }
+    for(fread(&w, sizeof(WORD), 1, fp); !feof(fp); fread(&w, sizeof(WORD), 1, fp)) {
         cmd = w & 0xFF00;
         cmdname = getcmdname(cmd);
         cmdtype = getcmdtype(cmd);
-        if(cmd == 0xFF00 || (w != 0 && cmd == 0x0000)) {
+        if(cmd == 0xFF00 || (w != 0 && cmd == 0)) {
             fprintf(stdout, "\tDC\t%d\t\t\t\t; #%04X: #%04X :: ", w, i++, w);
             print_dumpword(w, true);
         } else if(cmdtype == R_ADR_X || cmdtype == ADR_X) {
             fread(&adr, sizeof(WORD), 1, fp);
-            fprintf(stdout, "\t%s\t", cmdname);
-            if(cmdtype == R_ADR_X) {
-                g = grstr((w & 0x00F0) >> 4);
-                fprintf(stdout, "%s,", g);
-                FREE(g);
-            }
-            fprintf(stdout, "#%04X", adr);
-            if((x = w & 0x000F) != 0) {
-                fprintf(stdout, ",%s", g = grstr(x));
-                FREE(g);
-            }
-            fprintf(stdout, "\t\t\t\t; #%04X: #%04X #%04X", i, w, adr);
+            disassemble_cmd_adr_x(cmdtype, cmdname, w, adr, i);
             i += 2;
         } else {
-            fprintf(stdout, "\t%s", cmdname);
-            if(cmdtype == R1_R2) {
-                g1 = grstr((w & 0x00F0) >> 4);
-                g2 = grstr(w & 0x000F);
-                fprintf(stdout, "\t%s,%s", g1, g2);
-                FREE(g1);
-                FREE(g2);
-            } else if(cmdtype == R_) {
-                g = grstr((w & 0x00F0) >> 4);
-                fprintf(stdout, "\t%s", g);
-                FREE(g);
-            }
-            fprintf(stdout, "\t\t\t\t; #%04X: #%04X", i++, w);
+            disassemble_cmd_r(cmdtype, cmdname, w, i++);
         }
         fprintf(stdout, "\n");
     }
@@ -916,3 +924,27 @@ bool disassemble_file(const char *file)
     fclose(fp);
     return stat;
 }
+
+void disassemble_memory(WORD start, WORD end)
+{
+    WORD i, w, cmd, adr;
+    CMDTYPE cmdtype = 0;
+    char *cmdname;
+
+    for(i = start; i <= end; i++) {
+        w = sys->memory[i];
+        cmd = w & 0xFF00;
+        cmdname = getcmdname(cmd);
+        cmdtype = getcmdtype(cmd);
+        if(cmd == 0xFF00 || (w != 0 && cmd == 0)) {
+            fprintf(stdout, "\tDC\t%d\t\t\t\t; #%04X: #%04X :: ", w, i, w);
+            print_dumpword(w, true);
+        } else if(cmdtype == R_ADR_X || cmdtype == ADR_X) {
+            adr = sys->memory[i+1];
+            disassemble_cmd_adr_x(cmdtype, cmdname, w, adr, i++);
+        } else {
+            disassemble_cmd_r(cmdtype, cmdname, w, i);
+        }
+        fprintf(stdout, "\n");
+    }
+}
diff --git a/src/monitor.c b/src/monitor.c
index e0c7dc4..d4189fa 100644
--- a/src/monitor.c
+++ b/src/monitor.c
@@ -222,17 +222,17 @@ void mon_break(int argc, char *argv[])
     }
 }
 
-bool monitorcmd(char *cmd, MONARGS *args)
+MONCMDTYPE monitorcmd(char *cmd, MONARGS *args)
 {
-    bool next = false;
+    MONCMDTYPE cmdtype = MONREPEAT;
     if(stracmp(cmd, 2, (char* []){"s", "step"})) {
         execmode.step = true;
-        next = true;
+        cmdtype = MONNEXT;
     } else if(stracmp(cmd, 2, (char* []){"b", "break"})) {
         mon_break(args->argc, args->argv);
     } else if(stracmp(cmd, 2, (char* []){"c", "continue"})) {
         execmode.step = false;
-        next = true;
+        cmdtype = MONNEXT;
     } else if(stracmp(cmd, 2, (char* []){"t", "trace"})) {
         if(args->argc > 0 && stracmp(args->argv[0], 2, (char* []){"a", "auto"})) {
             execmode.logical = false;
@@ -258,9 +258,18 @@ bool monitorcmd(char *cmd, MONARGS *args)
             execmode.dump = true;
         } else if(args->argc > 0 && stracmp(args->argv[0], 2, (char* []){"no", "noauto"})) {
             execmode.dump = false;
-        } else {
-            dumpmemory();
+        } else if(args->argc == 1) {
+            dumpmemory(nh2word(args->argv[0]), 0xFFFF);
+        } else if(args->argc > 1) {
+            dumpmemory(nh2word(args->argv[0]), nh2word(args->argv[1]));
+        }
+    } else if(stracmp(cmd, 2, (char* []){"r", "reverse"})) {
+        if(args->argc == 2) {
+            disassemble_memory(nh2word(args->argv[0]), nh2word(args->argv[1]));
         }
+    } else if(stracmp(cmd, 2, (char* []){"q", "quit"})) {
+        fprintf(stdout, "Quit: COMET II monitor\n");
+        cmdtype = MONQUIT;
     } else if(stracmp(cmd, 3, (char* []){"?", "h", "help"})) {
         fprintf(stdout, "b[reak] -- Manipulate Breakpoints. Details in `b ?'.\n");
         fprintf(stdout, "s[tep] -- Step by step running your program until next interaction.\n");
@@ -269,7 +278,7 @@ bool monitorcmd(char *cmd, MONARGS *args)
         fprintf(stdout, "d[ump] -- Display memory dump. `d[ump] a[uto]/n[oauto]' set auto/noauto display.\n");
         fprintf(stdout, "?/h[elp] -- Display this help.\n");
     }
-    return next;
+    return cmdtype;
 }
 
 void free_moncmdline(MONCMDLINE *moncmdl)
@@ -294,7 +303,7 @@ void monitor()
 {
     char *buf, *p;
     MONCMDLINE *moncmdl;
-    bool next = false;
+    MONCMDTYPE cmdtype = MONREPEAT;
     do {
         fprintf(stdout, "COMET II (Type ? for help) > ");
         buf = malloc_chk(MONINSIZE + 1, "monitor.buf");
@@ -303,9 +312,16 @@ void monitor()
             *p = '\0';
         }
         if((moncmdl = monlinetok(buf)) != NULL) {
-            next = monitorcmd(moncmdl->cmd, moncmdl->args);
+            cmdtype = monitorcmd(moncmdl->cmd, moncmdl->args);
             free_moncmdline(moncmdl);
         }
         FREE(buf);
-    } while(next == false);
+        if(cmdtype == MONQUIT) {
+            shutdown();
+            freebps();
+            free_code_cmdtype();
+            freecerr();
+            exit(0);
+        }
+    } while(cmdtype == MONREPEAT);
 }