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[YACASL2.git] / src / exec.c

diff --git a/src/exec.c b/src/exec.c
index 8c9d566..56e58fd 100644 (file)
--- a/src/exec.c
+++ b/src/exec.c
@@ -86,17 +86,9 @@ static CERR cerr_exec[] = {
 };
 
 /**
- * @brief アセンブル結果読み込みエラーの定義
+ * @brief 実行モード: trace, logical, dump, dump_start, dump_end,  monitor, step
  */
-static CERR cerr_load[] = {
-    { 210, "load - memory overflow" },
-    { 211, "object file not specified" },
-};
-
-/**
- * @brief 実行モード: trace, logical, dump, monitor, step
- */
-EXECMODE execmode = {false, false, false, false, false};
+EXECMODE execmode = {false, false, false, 0, 0xFFFF, false, false};
 
 char *pr2str(WORD pr)
 {
@@ -124,7 +116,7 @@ void svcin()
             setcerr(208, "");    /* SVC input - memory overflow */
             break;
         }
-        sys->memory[sys->cpu->gr[1]+i] = *(buf + i);
+        sys->memory[sys->cpu->gr[1] + i] = buf[i];
     }
     sys->memory[sys->cpu->gr[2]] = i + 1;
     FREE(buf);
@@ -169,8 +161,8 @@ void setfr(WORD adr)
 
 WORD get_r_r1(WORD oprx)
 {
-    WORD r;
-    char *s;
+    WORD r = 0;
+    char *s = NULL;
 
     if((r = ((oprx & 0x00F0) >>4)) > GRSIZE - 1) {
         setcerr(205, s = pr2str(sys->cpu->pr));    /* r/r1 in word #1 - not GR */
@@ -182,8 +174,8 @@ WORD get_r_r1(WORD oprx)
 
 WORD get_x_r2(WORD oprx)
 {
-    WORD x;
-    char *s;
+    WORD x = 0;
+    char *s = NULL;
 
     if((x = (oprx & 0x000F)) > GRSIZE - 1) {
         setcerr(206, s = pr2str(sys->cpu->pr));    /* r/r1 in word #1 - not GR */
@@ -204,8 +196,8 @@ WORD get_adr_x(WORD adr, WORD oprx)
 
 WORD get_val_adr_x(WORD adr, WORD oprx)
 {
-    WORD a;
-    char *s;
+    WORD a = 0;
+    char *s = NULL;
 
     if((a = get_adr_x(adr, oprx)) >= sys->memsize) {
         setcerr(207, s = pr2str(sys->cpu->pr + 1));    /* address in word #2 - out of memory */
@@ -216,11 +208,6 @@ WORD get_val_adr_x(WORD adr, WORD oprx)
 }
 
 /* exec.hで定義された関数群 */
-void addcerrlist_load()
-{
-    addcerrlist(ARRAYSIZE(cerr_load), cerr_load);
-}
-
 void addcerrlist_exec()
 {
     addcerrlist(ARRAYSIZE(cerr_exec), cerr_exec);
@@ -228,8 +215,8 @@ void addcerrlist_exec()
 
 WORD loadassemble(const char *file, WORD start)
 {
-    FILE *fp;
-    WORD end;
+    FILE *fp = NULL;
+    WORD end = 0;
 
     assert(file != NULL);
     if((fp = fopen(file, "rb")) == NULL) {
@@ -708,8 +695,8 @@ void push()
 void pop()
 {
     assert(sys->cpu->sp > execptr->end);
-    WORD w;
-    char *s;
+    WORD w = 0;
+    char *s = NULL;
 
     if(sys->cpu->sp >= sys->memsize) {
         setcerr(203, s = pr2str(sys->cpu->pr));        /* Stack Pointer (SP) - stack underflow */
@@ -724,11 +711,11 @@ void pop()
 void call()
 {
     assert(sys->cpu->sp > execptr->end && sys->cpu->sp <= sys->memsize);
-    WORD w[2];
-    w[0] = sys->memory[sys->cpu->pr];
-    w[1] = sys->memory[sys->cpu->pr + 1];
     sys->memory[--(sys->cpu->sp)] = sys->cpu->pr + 1;
-    sys->cpu->pr = get_adr_x(w[1], w[0]);
+    sys->cpu->pr = get_adr_x(
+        sys->memory[sys->cpu->pr + 1],
+        sys->memory[sys->cpu->pr]
+        );
 }
 
 void ret()
@@ -743,10 +730,11 @@ void ret()
 
 void svc()
 {
-    WORD w[2];
-    w[0] = sys->memory[sys->cpu->pr];
-    w[1] = sys->memory[sys->cpu->pr + 1];
-    switch(get_adr_x(w[1], w[0]))
+    switch(get_adr_x(
+               sys->memory[sys->cpu->pr + 1],
+               sys->memory[sys->cpu->pr]
+               )
+        )
     {
     case 0x0:                   /* STOP */
         execptr->stop = true;
@@ -763,9 +751,10 @@ void svc()
 
 void exec()
 {
-    clock_t clock_begin, clock_end;
-    void (*cmdptr)();
-    char *s;
+    clock_t clock_begin = 0;
+    clock_t clock_end = 0;
+    void (*cmdptr)() = NULL;
+    char *s = NULL;
     const char *monmsg = "COMET II machine code monitor. Type ? for help.\n";
 
     create_cmdtable(HASH_CODE);                 /* 命令のコードとタイプがキーのハッシュ表を作成 */
@@ -783,7 +772,7 @@ void exec()
             }
             if(execmode.dump) {                    /* dumpオプション指定時、メモリを出力 */
                 fprintf(stdout, "#%04X: Memory::::\n", sys->cpu->pr);
-                dumpmemory(0x0, 0xFFFF);
+                dumpmemory(execmode.dump_start, execmode.dump_end);
             }
             fprintf(stdout, "\n");
         }