-#include "casl2.h"
+#include "struct.h"
+#include "cmem.h"
-/* COMET IIのメモリ */
-WORD *memory;
+/**
+ * COMET IIの仮想実行マシンシステム
+ */
+SYSTEM *sys;
-/* COMET IIのCPUレジスタ */
-WORD GR[REGSIZE], SP, PR, FR;
+/**
+ * プログラム実行時の開始と終了のアドレス
+ */
+EXECPTR *execptr;
-CERRARRAY cerr[] = {
- { 101, "label already defined" },
- { 102, "label table is full" },
- { 103, "label not found" },
- { 104, "label length is too long" },
- { 105, "no command in the line" },
- { 106, "operand count mismatch" },
- { 107, "no label in START" },
- { 108, "not command of operand \"r\"" },
- { 109, "not command of operand \"r1,r2\"" },
- { 110, "not command of operand \"r,adr[,x]\"" },
- { 111, "not command of operand \"adr[,x]\"" },
- { 112, "not command of no operand" },
- { 113, "command not defined" },
- { 114, "not integer" },
- { 115, "not hex" },
- { 116, "out of hex range" },
- { 117, "operand is too many" },
- { 118, "operand length is too long" },
- { 119, "out of COMET II memory" },
- { 120, "GR0 in operand x" },
- { 121, "cannot get operand token" },
- { 122, "cannot create hash table" },
- { 123, "illegal string" },
- { 124, "more than one character in literal" },
- { 201, "execute - out of COMET II memory" },
- { 202, "SVC input - out of Input memory" },
- { 203, "SVC output - out of COMET II memory" },
- { 204, "Program Register (PR) - out of COMET II memory" },
- { 205, "Stack Pointer (SP) - cannot allocate stack buffer" },
- { 206, "Address - out of COMET II memory" },
- { 207, "Stack Pointer (SP) - out of COMET II memory" },
- { 0, NULL },
-};
+/**
+ * COMET II仮想マシンのリセット
+ */
+void reset(int memsize, int clocks)
+{
+ int i;
-/* メモリーサイズ */
-int memsize = DEFAULT_MEMSIZE;
+ sys = malloc_chk(sizeof(SYSTEM), "sys");
+ /* メモリサイズを設定 */
+ sys->memsize = memsize;
+ /* クロック周波数を設定 */
+ sys->clocks = clocks;
+ /* メモリを初期化 */
+ sys->memory = calloc_chk(sys->memsize, sizeof(WORD), "memory");
+ /* CPUを初期化 */
+ sys->cpu = malloc_chk(sizeof(CPU), "cpu");
+ for(i = 0; i < GRSIZE; i++) {
+ sys->cpu->gr[i] = 0x0;
+ }
+ sys->cpu->sp = sys->cpu->pr = sys->cpu->fr = 0x0;
+ /* CASL2プログラムの開始と終了のアドレスを初期化 */
+ execptr = malloc_chk(sizeof(EXECPTR), "prog");
+}
-/* クロック周波数 */
-int clocks = DEFAULT_CLOCKS;
-
-/* 実行開始番地 */
-WORD startptr = 0x0;
-
-/* 実行終了番地 */
-WORD endptr = 0x0;
+/**
+ * COMET II仮想マシンのシャットダウン
+ */
+void shutdown()
+{
+ FREE(execptr);
+ FREE(sys->memory);
+ FREE(sys->cpu);
+ FREE(sys);
+}