V1.20

New feature: - Basic C compiler
2026-05-30 02:16:58 +00:00 · 2026-02-06 01:42:27 +01:00
parent 3ba7d2da48
commit afc85e8964
20 changed files with 1519 additions and 12 deletions
--- a/src/kernel/vm.h
+++ b/src/kernel/vm.h
@@ -0,0 +1,108 @@
+#ifndef VM_H
+#define VM_H
+
+#include <stdint.h>
+#include <stdbool.h>
+
+// Simple Stack-Based VM
+// Header: "BREWEXE" (7 bytes) + Version (1 byte)
+
+#define VM_MAGIC "BREWEXE"
+#define VM_STACK_SIZE 256
+#define VM_MEMORY_SIZE (64 * 1024) // 64KB RAM
+
+typedef enum {
+    OP_HALT = 0,
+    OP_IMM,     // Push immediate (int32)
+    OP_LOAD,    // Load from memory (addr) - int32
+    OP_STORE,   // Store to memory (addr) - int32
+    OP_ADD,     // +
+    OP_SUB,     // -
+    OP_MUL,     // *
+    OP_DIV,     // /
+    OP_PRINT,   // Deprecated
+    OP_PRITC,   // Deprecated
+    OP_JMP,     // Jump (addr)
+    OP_JZ,      // Jump if zero
+    OP_EQ,      // ==
+    OP_NEQ,     // !=
+    OP_LT,      // <
+    OP_GT,      // >
+    OP_LE,      // <=
+    OP_GE,      // >=
+    OP_SYSCALL, // Call system function (id)
+    OP_LOAD8,   // Load byte
+    OP_STORE8,  // Store byte
+    OP_PUSH_PTR, // Push pointer to data segment (relative to start of mem)
+    OP_POP      // Pop and discard top of stack
+} OpCode;
+
+// Syscall IDs
+typedef enum {
+    SYS_EXIT = 0,
+    SYS_PRINT_INT,
+    SYS_PRINT_CHAR,
+    SYS_PRINT_STR,
+    SYS_NL,
+    SYS_CLS,
+    SYS_GETCHAR,
+    SYS_STRLEN,
+    SYS_STRCMP,
+    SYS_STRCPY,
+    SYS_STRCAT,
+    SYS_MEMSET,
+    SYS_MEMCPY,
+    SYS_MALLOC,
+    SYS_FREE,
+    SYS_RAND,
+    SYS_SRAND,
+    SYS_ABS,
+    SYS_MIN,
+    SYS_MAX,
+    SYS_POW,
+    SYS_SQRT,
+    SYS_SLEEP,
+    SYS_FOPEN,
+    SYS_FCLOSE,
+    SYS_FREAD,
+    SYS_FWRITE,
+    SYS_FSEEK,
+    SYS_REMOVE,
+    SYS_DRAW_PIXEL,
+    SYS_DRAW_RECT,
+    SYS_DRAW_LINE,
+    SYS_DRAW_TEXT,
+    SYS_GET_WIDTH,
+    SYS_GET_HEIGHT,
+    SYS_GET_TIME,
+    SYS_KB_HIT,
+    SYS_MOUSE_X,
+    SYS_MOUSE_Y,
+    SYS_MOUSE_STATE,
+    SYS_PLAY_SOUND,
+    SYS_ATOI,
+    SYS_ITOA,
+    SYS_PEEK,
+    SYS_POKE,
+    SYS_EXEC,
+    SYS_SYSTEM,
+    SYS_STRCHR,
+    SYS_MEMCMP,
+    SYS_GET_DATE,
+    // New Builtins
+    SYS_ISALNUM,
+    SYS_ISALPHA,
+    SYS_ISDIGIT,
+    SYS_TOLOWER,
+    SYS_TOUPPER,
+    SYS_STRNCPY,
+    SYS_STRNCAT,
+    SYS_STRNCMP,
+    SYS_STRSTR,
+    SYS_STRRCHR,
+    SYS_MEMMOVE
+} SyscallID;
+
+int vm_exec(const uint8_t *code, int code_size);
+
+#endif