{ "END", assemble_end },
{ "DS", assemble_ds },
{ "DC", assemble_dc },
- { NULL, NULL }
+ { "", NULL }
};
/**
{ "IN", assemble_in },
{ "RPUSH", assemble_rpush },
{ "RPOP", assemble_rpop },
- { NULL, NULL }
+ { "", NULL }
};
/**
} else if(isdigit(*str) || *str == '-' || *str == '#') {
adr = nh2word(str);
} else {
- if(pass == SECOND && (adr = getlabel(prog, str)) == 0xFFFF) {
- if(prog != NULL) {
+ if(pass == SECOND) {
+ if((adr = getlabel(prog, str)) == 0xFFFF) {
setcerr(103, str); /* label not found */
}
}
*/
WORD getgr(const char *str, bool is_x)
{
- assert(str != NULL);
WORD r;
/* "GR[0-7]" 以外の文字列では、0xFFFFを返して終了 */
r = (WORD)(*(str+2) - '0');
/* GR0は指標レジスタとして用いることができない */
if(is_x == true && r == 0x0) {
- setcerr(120, NULL); /* GR0 in operand x */
+ setcerr(120, ""); /* GR0 in operand x */
return 0x0;
}
return r;
void assemble_start(const CMDLINE *cmdl, PASS pass)
{
if(cmdl->opd->opdc > 1) {
- setcerr(106, NULL); /* operand count mismatch */
+ setcerr(106, ""); /* operand count mismatch */
return;
}
- if(cmdl->label == NULL) {
- setcerr(107, NULL); /* no label in START */
+ if(*(cmdl->label) == '\0') {
+ setcerr(107, ""); /* no label in START */
return;
}
/* プログラム名の設定 */
- asptr->prog = strdup_chk(cmdl->label, "asptr.prog");
+ strcpy(asptr->prog, cmdl->label);
/* オペランドがある場合、実行開始アドレスを設定 */
if(pass == SECOND && cmdl->opd->opdv[0] != NULL) {
if((execptr->start = getlabel(asptr->prog, cmdl->opd->opdv[0])) == 0xFFFF) {
void assemble_end(const CMDLINE *cmdl, PASS pass)
{
if(cmdl->opd->opdc > 0) {
- setcerr(106, NULL); /* operand count mismatch */
+ setcerr(106, ""); /* operand count mismatch */
return;
}
/* 1回目のアセンブルの場合は、リテラル領域開始アドレスを設定 */
else if(pass == SECOND) {
execptr->end = asptr->lptr;
}
- FREE(asptr->prog);
+ *(asptr->prog) = '\0';
}
/**
{
int i;
if(cmdl->opd->opdc != 1) {
- setcerr(106, NULL); /* operand count mismatch */
+ setcerr(106, ""); /* operand count mismatch */
return;
}
for(i = 0; i < atoi(cmdl->opd->opdv[0]); i++) {
{
int i;
if(cmdl->opd->opdc == 0 || cmdl->opd->opdc >= OPDSIZE) {
- setcerr(106, NULL); /* operand count mismatch */
+ setcerr(106, ""); /* operand count mismatch */
return;
}
for(i = 0; i < cmdl->opd->opdc; i++) {
{
char *line = malloc_chk(LINESIZE + 1, "assemble_in.line");
if(cmdl->opd->opdc == 0 || cmdl->opd->opdc > 2) {
- setcerr(106, NULL); /* operand count mismatch */
+ setcerr(106, ""); /* operand count mismatch */
return;
}
assembleline(" PUSH 0,GR1", pass);
{
char *line = malloc_chk(LINESIZE + 1, "assemble_out.line");
if(cmdl->opd->opdc == 0 || cmdl->opd->opdc > 2) {
- setcerr(106, NULL); /* operand count mismatch */
+ setcerr(106, ""); /* operand count mismatch */
return;
}
assembleline(" PUSH 0,GR1", pass);
int i;
char *line = malloc_chk(LINESIZE + 1, "assemble_rpush.line");
if(cmdl->opd->opdc > 0) {
- setcerr(106, NULL); /* operand count mismatch */
+ setcerr(106, ""); /* operand count mismatch */
return;
}
for(i = 1; i <= GRSIZE-1; i++) {
int i;
char *line = malloc_chk(LINESIZE + 1, "assemble_rpop.line");
if(cmdl->opd->opdc > 0) {
- setcerr(106, NULL); /* operand count mismatch */
+ setcerr(106, ""); /* operand count mismatch */
return;
}
for(i = GRSIZE-1; i >= 1; i--) {
{
int i;
void (*cmdptr)();
- for(i = 0; cmdtbl[i].name != NULL; i++) {
+ for(i = 0; *(cmdtbl[i].name) != '\0'; i++) {
if(strcmp(cmdl->cmd, cmdtbl[i].name) == 0) {
cmdptr = cmdtbl[i].ptr;
(*cmdptr)(cmdl, pass);
/* CALL以外の命令の場合と、プログラムの入口名を取得できない場合は、 */
/* 同一プログラム内のラベルを取得 */
if(pass == SECOND && cmd == 0x8000) { /* CALL命令 */
- adr = getlabel(NULL, cmdl->opd->opdv[0]);
+ adr = getlabel("", cmdl->opd->opdv[0]);
}
if(cmd != 0x8000 || (pass == SECOND && adr == 0xFFFF)) {
adr = getadr(asptr->prog, cmdl->opd->opdv[0], pass);
bool assembletok(const CMDLINE *cmdl, PASS pass)
{
/* 命令がない場合 */
- if(cmdl->cmd == NULL) {
+ if(*(cmdl->cmd) == '\0') {
return true;
}
/* アセンブラ命令またはマクロ命令の書込 */
stat = (cerr->num == 0) ? true : false;
if(cmdl != NULL) {
if(stat == true) {
- if(pass == FIRST && cmdl->label != NULL) {
+ if(pass == FIRST && *(cmdl->label) != '\0') {
stat = addlabel(asptr->prog, cmdl->label, asptr->ptr);
}
- if(stat == true) {
- stat = assembletok(cmdl, pass);
- }
- FREE(cmdl->label);
}
+ if(stat == true) {
+ stat = assembletok(cmdl, pass);
+ }
+ FREE(cmdl->label);
if(cmdl->opd != NULL) {
for(i = 0; i < cmdl->opd->opdc; i++) {
FREE(cmdl->opd->opdv[i]);