X-Git-Url: http://j8takagi.net/cgi-bin/gitweb.cgi?p=YACASL2.git;a=blobdiff_plain;f=src%2Fexec.c;h=56e58fded51df866dd599b525679c4a51f9de330;hp=99a01d79fd735f98aa5ff9e04f94ffab0f319192;hb=86e559d164166966a797a1e5855871d48e087ddd;hpb=a7982d41c9809fdddbc5bac27c9d08b8a9d05012 diff --git a/src/exec.c b/src/exec.c index 99a01d7..56e58fd 100644 --- a/src/exec.c +++ b/src/exec.c @@ -161,8 +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 */ @@ -174,8 +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 */ @@ -196,8 +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 */ @@ -215,8 +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) { @@ -695,8 +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 */ @@ -711,11 +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() @@ -730,10 +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; @@ -750,9 +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 */