// Public domain / CC0. Use freely for any purpose. RoyR 2026
// types.cm - Type casting and different integer sizes
// Demonstrates: different integer types, casting, overflow behavior

void printf(uint8 *fmt);

int32 main(void) {
    // Different integer sizes
    uint8  byte_val  = 255;
    uint16 word_val  = 65535;
    uint32 dword_val = 4294967295;
    
    int8  sbyte_val  = -128;
    int16 sword_val  = -32768;
    int32 sdword_val = -2147483648;
    
    printf("Unsigned types:\n");
    printf("  uint8:  %d\n", byte_val);
    printf("  uint16: %d\n", word_val);
    printf("  uint32: %u\n", dword_val);
    
    printf("\nSigned types:\n");
    printf("  int8:  %d\n", sbyte_val);
    printf("  int16: %d\n", sword_val);
    printf("  int32: %d\n", sdword_val);
    
    // Type casting
    printf("\nType casting:\n");
    int32 large = 1000;
    uint8 small = (uint8)large;
    printf("  (uint8)1000 = %d (truncated to 8 bits)\n", small);
    
    int32 value = 298;
    uint8 truncated = (uint8)value;
    printf("  (uint8)298 = %d (298 %% 256 = 42)\n", truncated);
    
    // Sign extension
    int8 neg = -1;
    int32 extended = neg;
    printf("\nSign extension:\n");
    printf("  int8(-1) extended to int32: %d\n", extended);
    
    // Unsigned to signed
    uint8 unsigned_val = 200;
    int8 signed_val = (int8)unsigned_val;
    printf("\nUnsigned to signed:\n");
    printf("  (int8)200 = %d (interpreted as signed)\n", signed_val);
    
    return 0;
}