diff --git a/stage1/zig.h b/stage1/zig.h
index 0b9c6e58ca..67158429fd 100644
--- a/stage1/zig.h
+++ b/stage1/zig.h
@@ -79,6 +79,9 @@
 #elif defined(__I86__)
 #define zig_x86_16
 #define zig_x86
+#elif defined (__ez80)
+#define zig_ez80
+#define zig_z80
 #endif
 
 #if defined(zig_msvc) || __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
@@ -409,6 +412,8 @@
 #define zig_trap() __asm__ volatile("int $0x3")
 #elif defined(zig_x86)
 #define zig_trap() __asm__ volatile("ud2")
+#elif defined(zig_z80)
+#define zig_trap() __asm__ volatile("rst 00h")
 #else
 #define zig_trap() zig_trap_unavailable
 #endif
@@ -511,7 +516,7 @@ zig_extern void *memcpy (void *zig_restrict, void const *zig_restrict, size_t);
 zig_extern void *memset (void *, int, size_t);
 zig_extern void *memmove (void *, void const *, size_t);
 
-/* ================ Bool and 8/16/32/64-bit Integer Support ================= */
+/* ================ Bool and 8/16/24/32/48/64-bit Integer Support ================= */
 
 #include <limits.h>
 
@@ -590,6 +595,16 @@ typedef   signed long long  int16_t;
 #define  INT16_MAX ( INT16_C(0x7FFF))
 #define UINT16_MAX ( INT16_C(0xFFFF))
 
+#if defined(zig_ez80)
+typedef unsigned       int uint24_t;
+typedef   signed       int  int24_t;
+#define  INT24_C(c) c
+#define UINT24_C(c) c##U
+#endif
+#define  INT24_MIN (~INT24_C(0x7FFF))
+#define  INT24_MAX ( INT24_C(0x7FFF))
+#define UINT24_MAX ( INT24_C(0xFFFF))
+
 #if SCHAR_MIN == ~0x7FFFFFFF && SCHAR_MAX == 0x7FFFFFFF && UCHAR_MAX == 0xFFFFFFFF
 typedef unsigned      char uint32_t;
 typedef   signed      char  int32_t;
@@ -620,6 +635,17 @@ typedef   signed long long  int32_t;
 #define  INT32_MAX ( INT32_C(0x7FFFFFFF))
 #define UINT32_MAX ( INT32_C(0xFFFFFFFF))
 
+#if defined(zig_ez80)
+typedef unsigned   __int48 uint48_t;
+typedef   signed   __int48  int48_t;
+#define  INT48_C(c) c
+/* no suffix */
+#define UINT48_C(c) ((uint48_t)(c))
+#endif
+#define  INT48_MIN (~INT48_C(0x7FFFFFFFFFFF))
+#define  INT48_MAX ( INT48_C(0x7FFFFFFFFFFF))
+#define UINT48_MAX ( INT48_C(0xFFFFFFFFFFFF))
+
 #if SCHAR_MIN == ~0x7FFFFFFFFFFFFFFF && SCHAR_MAX == 0x7FFFFFFFFFFFFFFF && UCHAR_MAX == 0xFFFFFFFFFFFFFFFF
 typedef unsigned      char uint64_t;
 typedef   signed      char  int64_t;
@@ -663,10 +689,18 @@ typedef ptrdiff_t intptr_t;
 #define zig_maxInt_i16  INT16_MAX
 #define zig_minInt_u16 UINT16_C(0)
 #define zig_maxInt_u16 UINT16_MAX
+#define zig_minInt_i24  INT24_MIN
+#define zig_maxInt_i24  INT24_MAX
+#define zig_minInt_u24 UINT24_C(0)
+#define zig_maxInt_u24 UINT24_MAX
 #define zig_minInt_i32  INT32_MIN
 #define zig_maxInt_i32  INT32_MAX
 #define zig_minInt_u32 UINT32_C(0)
 #define zig_maxInt_u32 UINT32_MAX
+#define zig_minInt_i48  INT48_MIN
+#define zig_maxInt_i48  INT48_MAX
+#define zig_minInt_u48 UINT48_C(0)
+#define zig_maxInt_u48 UINT48_MAX
 #define zig_minInt_i64  INT64_MIN
 #define zig_maxInt_i64  INT64_MAX
 #define zig_minInt_u64 UINT64_C(0)
@@ -786,6 +820,17 @@ zig_int_helpers(16, unsigned long long)
 #else
 zig_int_helpers(16, uint16_t)
 #endif
+#if defined(zig_ez80)
+#if UINT24_MAX <= UINT_MAX
+zig_int_helpers(24, unsigned int)
+#elif UINT24_MAX <= ULONG_MAX
+zig_int_helpers(24, unsigned long)
+#elif UINT24_MAX <= ULLONG_MAX
+zig_int_helpers(24, unsigned long long)
+#else
+zig_int_helpers(24, uint24_t)
+#endif
+#endif
 #if UINT32_MAX <= UINT_MAX
 zig_int_helpers(32, unsigned int)
 #elif UINT32_MAX <= ULONG_MAX
@@ -795,6 +840,17 @@ zig_int_helpers(32, unsigned long long)
 #else
 zig_int_helpers(32, uint32_t)
 #endif
+#if defined(zig_ez80)
+#if UINT24_MAX <= UINT_MAX
+zig_int_helpers(48, unsigned int)
+#elif UINT24_MAX <= ULONG_MAX
+zig_int_helpers(48, unsigned long)
+#elif UINT24_MAX <= ULLONG_MAX
+zig_int_helpers(48, unsigned long long)
+#else
+zig_int_helpers(48, uint48_t)
+#endif
+#endif
 #if UINT64_MAX <= UINT_MAX
 zig_int_helpers(64, unsigned int)
 #elif UINT64_MAX <= ULONG_MAX
@@ -909,6 +965,66 @@ static inline bool zig_addo_i16(int16_t *res, int16_t lhs, int16_t rhs, uint8_t
 #endif
 }
 
+#if defined(zig_ez80)
+static inline bool zig_addo_u24(uint24_t *res, uint24_t lhs, uint24_t rhs, uint8_t bits) {
+#if zig_has_builtin(add_overflow) || defined(zig_gcc)
+    uint24_t full_res;
+    bool overflow = __builtin_add_overflow(lhs, rhs, &full_res);
+    *res = zig_wrap_u24(full_res, bits);
+    return overflow || full_res < zig_minInt_u(24, bits) || full_res > zig_maxInt_u(24, bits);
+#else
+    uint32_t full_res;
+    bool overflow = zig_addo_u32(&full_res, lhs, rhs, bits);
+    *res = (uint24_t)full_res;
+    return overflow;
+#endif
+}
+
+static inline bool zig_addo_i24(int24_t *res, int24_t lhs, int24_t rhs, uint8_t bits) {
+#if zig_has_builtin(add_overflow) || defined(zig_gcc)
+    int24_t full_res;
+    bool overflow = __builtin_add_overflow(lhs, rhs, &full_res);
+    *res = zig_wrap_i24(full_res, bits);
+    return overflow || full_res < zig_minInt_i(24, bits) || full_res > zig_maxInt_i(24, bits);
+#else
+    int32_t full_res;
+    bool overflow = zig_addo_i32(&full_res, lhs, rhs, bits);
+    *res = (int24_t)full_res;
+    return overflow;
+#endif
+}
+#endif
+
+#if defined(zig_ez80)
+static inline bool zig_addo_u48(uint48_t *res, uint48_t lhs, uint48_t rhs, uint8_t bits) {
+#if zig_has_builtin(add_overflow) || defined(zig_gcc)
+    uint48_t full_res;
+    bool overflow = __builtin_add_overflow(lhs, rhs, &full_res);
+    *res = zig_wrap_u48(full_res, bits);
+    return overflow || full_res < zig_minInt_u(48, bits) || full_res > zig_maxInt_u(48, bits);
+#else
+    uint64_t full_res;
+    bool overflow = zig_addo_u64(&full_res, lhs, rhs, bits);
+    *res = (uint48_t)full_res;
+    return overflow;
+#endif
+}
+
+static inline bool zig_addo_i48(int48_t *res, int48_t lhs, int48_t rhs, uint8_t bits) {
+#if zig_has_builtin(add_overflow) || defined(zig_gcc)
+    int48_t full_res;
+    bool overflow = __builtin_add_overflow(lhs, rhs, &full_res);
+    *res = zig_wrap_i48(full_res, bits);
+    return overflow || full_res < zig_minInt_i(48, bits) || full_res > zig_maxInt_i(48, bits);
+#else
+    int64_t full_res;
+    bool overflow = zig_addo_i64(&full_res, lhs, rhs, bits);
+    *res = (int48_t)full_res;
+    return overflow;
+#endif
+}
+#endif
+
 static inline bool zig_subo_u32(uint32_t *res, uint32_t lhs, uint32_t rhs, uint8_t bits) {
 #if zig_has_builtin(sub_overflow) || defined(zig_gcc)
     uint32_t full_res;
@@ -933,6 +1049,7 @@ static inline bool zig_subo_i32(int32_t *res, int32_t lhs, int32_t rhs, uint8_t
     return overflow || full_res < zig_minInt_i(32, bits) || full_res > zig_maxInt_i(32, bits);
 }
 
+
 static inline bool zig_subo_u64(uint64_t *res, uint64_t lhs, uint64_t rhs, uint8_t bits) {
 #if zig_has_builtin(sub_overflow) || defined(zig_gcc)
     uint64_t full_res;
@@ -1013,6 +1130,66 @@ static inline bool zig_subo_i16(int16_t *res, int16_t lhs, int16_t rhs, uint8_t
 #endif
 }
 
+#if defined(zig_ez80)
+static inline bool zig_subo_u24(uint24_t *res, uint24_t lhs, uint24_t rhs, uint8_t bits) {
+#if zig_has_builtin(sub_overflow) || defined(zig_gcc)
+    uint24_t full_res;
+    bool overflow = __builtin_sub_overflow(lhs, rhs, &full_res);
+    *res = zig_wrap_u24(full_res, bits);
+    return overflow || full_res < zig_minInt_u(24, bits) || full_res > zig_maxInt_u(24, bits);
+#else
+    uint32_t full_res;
+    bool overflow = zig_subo_u32(&full_res, lhs, rhs, bits);
+    *res = (uint24_t)full_res;
+    return overflow;
+#endif
+}
+
+static inline bool zig_subo_i24(int24_t *res, int24_t lhs, int24_t rhs, uint8_t bits) {
+#if zig_has_builtin(sub_overflow) || defined(zig_gcc)
+    int24_t full_res;
+    bool overflow = __builtin_sub_overflow(lhs, rhs, &full_res);
+    *res = zig_wrap_i24(full_res, bits);
+    return overflow || full_res < zig_minInt_i(24, bits) || full_res > zig_maxInt_i(24, bits);
+#else
+    int32_t full_res;
+    bool overflow = zig_subo_i32(&full_res, lhs, rhs, bits);
+    *res = (int24_t)full_res;
+    return overflow;
+#endif
+}
+#endif
+
+#if defined(zig_ez80)
+static inline bool zig_subo_u48(uint48_t *res, uint48_t lhs, uint48_t rhs, uint8_t bits) {
+#if zig_has_builtin(sub_overflow) || defined(zig_gcc)
+    uint48_t full_res;
+    bool overflow = __builtin_sub_overflow(lhs, rhs, &full_res);
+    *res = zig_wrap_u48(full_res, bits);
+    return overflow || full_res < zig_minInt_u(48, bits) || full_res > zig_maxInt_u(48, bits);
+#else
+    uint64_t full_res;
+    bool overflow = zig_subo_u64(&full_res, lhs, rhs, bits);
+    *res = (uint48_t)full_res;
+    return overflow;
+#endif
+}
+
+static inline bool zig_subo_i48(int48_t *res, int48_t lhs, int48_t rhs, uint8_t bits) {
+#if zig_has_builtin(sub_overflow) || defined(zig_gcc)
+    int48_t full_res;
+    bool overflow = __builtin_sub_overflow(lhs, rhs, &full_res);
+    *res = zig_wrap_i48(full_res, bits);
+    return overflow || full_res < zig_minInt_i(48, bits) || full_res > zig_maxInt_i(48, bits);
+#else
+    int64_t full_res;
+    bool overflow = zig_subo_i64(&full_res, lhs, rhs, bits);
+    *res = (int48_t)full_res;
+    return overflow;
+#endif
+}
+#endif
+
 static inline bool zig_mulo_u32(uint32_t *res, uint32_t lhs, uint32_t rhs, uint8_t bits) {
 #if zig_has_builtin(mul_overflow) || defined(zig_gcc)
     uint32_t full_res;
@@ -1121,6 +1298,66 @@ static inline bool zig_mulo_i16(int16_t *res, int16_t lhs, int16_t rhs, uint8_t
 #endif
 }
 
+#if defined(zig_ez80)
+static inline bool zig_mulo_u24(uint24_t *res, uint24_t lhs, uint24_t rhs, uint8_t bits) {
+#if zig_has_builtin(mul_overflow) || defined(zig_gcc)
+    uint24_t full_res;
+    bool overflow = __builtin_mul_overflow(lhs, rhs, &full_res);
+    *res = zig_wrap_u24(full_res, bits);
+    return overflow || full_res < zig_minInt_u(24, bits) || full_res > zig_maxInt_u(24, bits);
+#else
+    uint32_t full_res;
+    bool overflow = zig_mulo_u32(&full_res, lhs, rhs, bits);
+    *res = (uint24_t)full_res;
+    return overflow;
+#endif
+}
+
+static inline bool zig_mulo_i24(int24_t *res, int24_t lhs, int24_t rhs, uint8_t bits) {
+#if zig_has_builtin(mul_overflow) || defined(zig_gcc)
+    int24_t full_res;
+    bool overflow = __builtin_mul_overflow(lhs, rhs, &full_res);
+    *res = zig_wrap_i24(full_res, bits);
+    return overflow || full_res < zig_minInt_i(24, bits) || full_res > zig_maxInt_i(24, bits);
+#else
+    int32_t full_res;
+    bool overflow = zig_mulo_i32(&full_res, lhs, rhs, bits);
+    *res = (int24_t)full_res;
+    return overflow;
+#endif
+}
+#endif
+
+#if defined(zig_ez80)
+static inline bool zig_mulo_u48(uint48_t *res, uint48_t lhs, uint48_t rhs, uint8_t bits) {
+#if zig_has_builtin(mul_overflow) || defined(zig_gcc)
+    uint48_t full_res;
+    bool overflow = __builtin_mul_overflow(lhs, rhs, &full_res);
+    *res = zig_wrap_u48(full_res, bits);
+    return overflow || full_res < zig_minInt_u(48, bits) || full_res > zig_maxInt_u(48, bits);
+#else
+    uint64_t full_res;
+    bool overflow = zig_mulo_u64(&full_res, lhs, rhs, bits);
+    *res = (uint48_t)full_res;
+    return overflow;
+#endif
+}
+
+static inline bool zig_mulo_i48(int48_t *res, int48_t lhs, int48_t rhs, uint8_t bits) {
+#if zig_has_builtin(mul_overflow) || defined(zig_gcc)
+    int48_t full_res;
+    bool overflow = __builtin_mul_overflow(lhs, rhs, &full_res);
+    *res = zig_wrap_i48(full_res, bits);
+    return overflow || full_res < zig_minInt_i(48, bits) || full_res > zig_maxInt_i(48, bits);
+#else
+    int64_t full_res;
+    bool overflow = zig_mulo_i64(&full_res, lhs, rhs, bits);
+    *res = (int48_t)full_res;
+    return overflow;
+#endif
+}
+#endif
+
 #define zig_int_builtins(w) \
     static inline bool zig_shlo_u##w(uint##w##_t *res, uint##w##_t lhs, uint8_t rhs, uint8_t bits) { \
         *res = zig_shlw_u##w(lhs, rhs, bits); \
@@ -1180,7 +1417,13 @@ static inline bool zig_mulo_i16(int16_t *res, int16_t lhs, int16_t rhs, uint8_t
     }
 zig_int_builtins(8)
 zig_int_builtins(16)
+#if defined(zig_ez80)
+zig_int_builtins(24)
+#endif
 zig_int_builtins(32)
+#if defined(zig_ez80)
+zig_int_builtins(48)
+#endif
 zig_int_builtins(64)
 
 #define zig_builtin8(name, val) __builtin_##name(val)
@@ -1189,6 +1432,11 @@ typedef unsigned int zig_Builtin8;
 #define zig_builtin16(name, val) __builtin_##name(val)
 typedef unsigned int zig_Builtin16;
 
+#if defined(zig_ez80)
+#define zig_builtin24(name, val) __builtin_##name(val)
+typedef unsigned int zig_Builtin24;
+#endif
+
 #if INT_MIN <= INT32_MIN
 #define zig_builtin32(name, val) __builtin_##name(val)
 typedef unsigned int zig_Builtin32;
@@ -1197,6 +1445,11 @@ typedef unsigned int zig_Builtin32;
 typedef unsigned long zig_Builtin32;
 #endif
 
+#if defined(zig_ez80)
+#define zig_builtin48(name, val) __builtin_##name(val)
+typedef unsigned long long zig_Builtin48;
+#endif
+
 #if INT_MIN <= INT64_MIN
 #define zig_builtin64(name, val) __builtin_##name(val)
 typedef unsigned int zig_Builtin64;
@@ -1231,6 +1484,23 @@ static inline int16_t zig_byte_swap_i16(int16_t val, uint8_t bits) {
     return zig_wrap_i16((int16_t)zig_byte_swap_u16((uint16_t)val, bits), bits);
 }
 
+#if defined(zig_ez80)
+static inline uint16_t zig_byte_swap_u24(uint24_t val, uint8_t bits) {
+    uint24_t full_res;
+#if zig_has_builtin(bswap24) || defined(zig_gcc)
+    full_res = __builtin_bswap24(val);
+#else
+    full_res = (uint24_t)zig_byte_swap_u8((uint8_t)(val >>  0), 8) <<  16 |
+               (uint24_t)zig_byte_swap_u16((uint16_t)(val >>  8), 16) >>  0;
+#endif
+    return zig_wrap_u24(full_res >> (24 - bits), bits);
+}
+
+static inline int16_t zig_byte_swap_i24(int24_t val, uint8_t bits) {
+    return zig_wrap_i24((int24_t)zig_byte_swap_u24((uint24_t)val, bits), bits);
+}
+#endif
+
 static inline uint32_t zig_byte_swap_u32(uint32_t val, uint8_t bits) {
     uint32_t full_res;
 #if zig_has_builtin(bswap32) || defined(zig_gcc)
@@ -1246,6 +1516,23 @@ static inline int32_t zig_byte_swap_i32(int32_t val, uint8_t bits) {
     return zig_wrap_i32((int32_t)zig_byte_swap_u32((uint32_t)val, bits), bits);
 }
 
+#if defined(zig_ez80)
+static inline uint32_t zig_byte_swap_u48(uint48_t val, uint8_t bits) {
+    uint48_t full_res;
+#if zig_has_builtin(bswap48) || defined(zig_gcc)
+    full_res = __builtin_bswap48(val);
+#else
+    full_res = (uint48_t)zig_byte_swap_u24((uint24_t)(val >>  0), 24) << 24 |
+               (uint48_t)zig_byte_swap_u24((uint24_t)(val >> 24), 24) >>  0;
+#endif
+    return zig_wrap_u48(full_res >> (48 - bits), bits);
+}
+
+static inline int32_t zig_byte_swap_i48(int48_t val, uint8_t bits) {
+    return zig_wrap_i48((int48_t)zig_byte_swap_u48((uint48_t)val, bits), bits);
+}
+#endif
+
 static inline uint64_t zig_byte_swap_u64(uint64_t val, uint8_t bits) {
     uint64_t full_res;
 #if zig_has_builtin(bswap64) || defined(zig_gcc)
@@ -1294,6 +1581,23 @@ static inline int16_t zig_bit_reverse_i16(int16_t val, uint8_t bits) {
     return zig_wrap_i16((int16_t)zig_bit_reverse_u16((uint16_t)val, bits), bits);
 }
 
+#if defined(zig_ez80)
+static inline uint24_t zig_bit_reverse_u24(uint24_t val, uint8_t bits) {
+    uint24_t full_res;
+#if zig_has_builtin(bitreverse24)
+    full_res = __builtin_bitreverse24(val);
+#else
+    full_res = (uint24_t)zig_bit_reverse_u8((uint8_t)(val >>  0), 8) <<  16 |
+               (uint24_t)zig_bit_reverse_u16((uint16_t)(val >>  8), 16) >>  0;
+#endif
+    return zig_wrap_u24(full_res >> (24 - bits), bits);
+}
+
+static inline int24_t zig_bit_reverse_i24(int24_t val, uint8_t bits) {
+    return zig_wrap_i24((int24_t)zig_bit_reverse_u24((uint24_t)val, bits), bits);
+}
+#endif
+
 static inline uint32_t zig_bit_reverse_u32(uint32_t val, uint8_t bits) {
     uint32_t full_res;
 #if zig_has_builtin(bitreverse32)
@@ -1309,6 +1613,23 @@ static inline int32_t zig_bit_reverse_i32(int32_t val, uint8_t bits) {
     return zig_wrap_i32((int32_t)zig_bit_reverse_u32((uint32_t)val, bits), bits);
 }
 
+#if defined(zig_ez80)
+static inline uint32_t zig_bit_reverse_u48(uint48_t val, uint8_t bits) {
+    uint48_t full_res;
+#if zig_has_builtin(bitreverse48)
+    full_res = __builtin_bitreverse48(val);
+#else
+    full_res = (uint48_t)zig_bit_reverse_u24((uint24_t)(val >>  0), 24) << 24 |
+               (uint48_t)zig_bit_reverse_u24((uint24_t)(val >> 24), 24) >>  0;
+#endif
+    return zig_wrap_u32(full_res >> (48 - bits), bits);
+}
+
+static inline int32_t zig_bit_reverse_i48(int48_t val, uint8_t bits) {
+    return zig_wrap_i48((int48_t)zig_bit_reverse_u48((uint48_t)val, bits), bits);
+}
+#endif
+
 static inline uint64_t zig_bit_reverse_u64(uint64_t val, uint8_t bits) {
     uint64_t full_res;
 #if zig_has_builtin(bitreverse64)
@@ -1350,7 +1671,13 @@ static inline int64_t zig_bit_reverse_i64(int64_t val, uint8_t bits) {
 #endif
 zig_builtin_popcount(8)
 zig_builtin_popcount(16)
+#if defined(zig_ez80)
+zig_builtin_popcount(24)
+#endif
 zig_builtin_popcount(32)
+#if defined(zig_ez80)
+zig_builtin_popcount(48)
+#endif
 zig_builtin_popcount(64)
 
 #define zig_builtin_ctz_common(w) \
@@ -1375,7 +1702,13 @@ zig_builtin_popcount(64)
 #endif
 zig_builtin_ctz(8)
 zig_builtin_ctz(16)
+#if defined(zig_ez80)
+zig_builtin_ctz(24)
+#endif
 zig_builtin_ctz(32)
+#if defined(zig_ez80)
+zig_builtin_ctz(48)
+#endif
 zig_builtin_ctz(64)
 
 #define zig_builtin_clz_common(w) \
@@ -1400,7 +1733,13 @@ zig_builtin_ctz(64)
 #endif
 zig_builtin_clz(8)
 zig_builtin_clz(16)
+#if defined(zig_ez80)
+zig_builtin_clz(24)
+#endif
 zig_builtin_clz(32)
+#if defined(zig_ez80)
+zig_builtin_clz(48)
+#endif
 zig_builtin_clz(64)
 
 /* ======================== 128-bit Integer Support ========================= */
@@ -1981,6 +2320,20 @@ static inline zig_i128 zig_bit_reverse_i128(zig_i128 val, uint8_t bits) {
     return zig_bitCast_i128(zig_bit_reverse_u128(zig_bitCast_u128(val), bits));
 }
 
+#if zig_has_int128
+#define zig_switch_int128(operand) switch (operand)
+#define zig_switch_prong_begin_int128()
+#define zig_switch_case_int128(Type, operand, value) case value:
+#define zig_switch_prong_end_int128()
+#define zig_switch_default_int128() default:
+#else // zig_has_int128
+#define zig_switch_int128(operand)
+#define zig_switch_prong_begin_int128() if (0
+#define zig_switch_case_int128(Type, operand, value) || (zig_cmp_##Type(operand, value) == 0)
+#define zig_switch_prong_end_int128() )
+#define zig_switch_default_int128()
+#endif // zig_has_int128
+
 /* ========================== Big Integer Support =========================== */
 
 static inline uint16_t zig_int_bytes(uint16_t bits) {
diff --git a/stage1/zig1.wasm b/stage1/zig1.wasm
index 11942012c7..67ca7db75a 100644
Binary files a/stage1/zig1.wasm and b/stage1/zig1.wasm differ