Remove the asciify instruction

GNU and the BSD's don't agree on what it does.
diff --git a/src/data.c b/src/data.c
index 858adbd..910134c 100644
--- a/src/data.c
+++ b/src/data.c
@@ -161,13 +161,13 @@
 const uint8_t bc_inst_noperands[] = {
 	1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2,
 	2, 2, 2, 2, 2, 2, 2, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1,
-	1, 1, 0, 1, 0, 1, 1, 1, 0, 0, 3, 2, 1, 1, 0, 0, 0, 1, 2,
+	1, 1, 0, 1, 0, 1, 1, 1, 0, 0, 3, 2, 1, 0, 0, 0, 1, 2, 1, 0, 0, 1,
 };
 
 const uint8_t bc_inst_nresults[] = {
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-	0, 0, 1, 0, 0, 0, 0, 1, 1, 0, 1, 2, 0, 0, 0, 0, 1, 2, 2,
+	0, 0, 1, 0, 0, 0, 0, 1, 1, 0, 1, 2, 0, 0, 0, 1, 2, 2, 0, 1, 0, 0,
 };
 #endif // DC_CONFIG
 
@@ -254,7 +254,7 @@
 	BC_LEX_KEY_LENGTH,
 	BC_LEX_INVALID, BC_LEX_INVALID, BC_LEX_INVALID, BC_LEX_OP_POWER,
 	BC_LEX_OP_NEG, BC_LEX_INVALID,
-	BC_LEX_ASCIIFY, BC_LEX_INVALID, BC_LEX_CLEAR_STACK, BC_LEX_DUPLICATE,
+	BC_LEX_INVALID, BC_LEX_INVALID, BC_LEX_CLEAR_STACK, BC_LEX_DUPLICATE,
 	BC_LEX_INVALID, BC_LEX_PRINT_STACK, BC_LEX_INVALID, BC_LEX_INVALID,
 	BC_LEX_STORE_IBASE, BC_LEX_INVALID, BC_LEX_STORE_SCALE, BC_LEX_LOAD_POP,
 	BC_LEX_INVALID, BC_LEX_PRINT_POP, BC_LEX_STORE_OBASE, BC_LEX_KEY_PRINT,
@@ -283,8 +283,8 @@
 	BC_INST_INVALID, BC_INST_INVALID, BC_INST_LENGTH, BC_INST_INVALID,
 	BC_INST_OBASE, BC_INST_PRINT, BC_INST_QUIT, BC_INST_READ,
 	BC_INST_INVALID, BC_INST_SCALE, BC_INST_SQRT, BC_INST_INVALID,
-	BC_INST_MODEXP, BC_INST_DIVMOD, BC_INST_INVALID, BC_INST_ASCIIFY,
-	BC_INST_EXECUTE, BC_INST_PRINT_STACK, BC_INST_CLEAR_STACK,
+	BC_INST_MODEXP, BC_INST_DIVMOD, BC_INST_INVALID, BC_INST_EXECUTE,
+	BC_INST_PRINT_STACK, BC_INST_CLEAR_STACK,
 	BC_INST_STACK_LEN, BC_INST_DUPLICATE, BC_INST_SWAP, BC_INST_POP,
 	BC_INST_INVALID, BC_INST_INVALID, BC_INST_INVALID, BC_INST_INVALID,
 	BC_INST_INVALID, BC_INST_INVALID, BC_INST_INVALID, BC_INST_PRINT,