sux.h: Add bitmasks for setting/testing/clearing flags,

and for bitwise operations.

1 files changed, 9 insertions, 0 deletions

diff --git a/sux.h b/sux.h
index 1eaaffe..4e49f5f 100644
--- a/sux.h
+++ b/sux.h
@@ -1831,6 +1831,15 @@ static /*inline*/ void inst_##op(struct sux *cpu, uint8_t prefix, uint8_t size,
 i	t(7, 0x00000000, 0x10000000, 0x00000000, 0x00000000, 0x00000200, 0x00000001, 0x00010000, 0x00000000) { push(cpu, cpu->pc, (rs) ? rs : 7, thread); } /* Push return address onto the stack. */ \
 	t(7, 0x00001000, 0x10000000, 0x00000000, 0x00000000, 0x00000200, 0x00000001, 0x00010001, 0x00010000) { cpu->pc = addr; } /* Set program counter to supplied address. */ \
 	t(7, 0x00004000, 0x00004000, 0x00004000, 0x00004000, 0x00004200, 0x00000000, 0x00000000, 0x00000000) { push(cpu, *reg, rs, thread); } /* Push value onto the stack. */ \
+	/* Setting/Testing/Clearing flags, and bitwise operations. */ \
+	t(7, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000200, 0x00000200, 0x02000200, 0x02000200) { tmp = 1; } \
+	t(0, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000) { tmp <<= 1; } \
+	t(7, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000200, 0x00000200, 0x02000200, 0x00000000) { tmp <<= 2; } \
+	t(0, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000) { tmp <<= 4; } \
+	t(0, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000200, 0x00220222, 0x00000200) { tmp = ~tmp; } /* sbc, and clear flag. */ \
+	t(0, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00220022, 0x00000000, 0x02000000, 0x02000000) { tmp |= *reg; } /* ora, and set flag. */ \
+	t(0, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00220222, 0x00000200, 0x00000200) { tmp &= *reg; } /* AND, and clear/test flag. */ \
+	t(0, 0x00000000, 0x00000000, 0x00000000, 0x00220022, 0x00000000, 0x00000000, 0x00000000, 0x00000000) { tmp ^= *reg; } /* xor. */ \
 }
 
 #undef ORTHO_1CC