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changeset 373:00fced888c5d
Fix psh/pul to not accept the stack pointer as a valid argument
Don't allow "pshs s", "puls s", "pshu u", or "pulu u" - none of those are
valid on the 6809 (not encodable) so they need to throw an error.
| author | William Astle <lost@l-w.ca> |
|---|---|
| date | Wed, 24 Jun 2015 19:39:13 -0600 |
| parents | 39490cf2d1c2 |
| children | 8e25147c2aa8 |
| files | lwasm/insn_rlist.c |
| diffstat | 1 files changed, 17 insertions(+), 0 deletions(-) [+] |
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--- a/lwasm/insn_rlist.c Mon Jun 22 19:23:11 2015 -0600 +++ b/lwasm/insn_rlist.c Wed Jun 24 19:39:13 2015 -0600 @@ -47,6 +47,23 @@ } if (**p == ',') (*p)++; + if ((instab[l -> insn].ops[0]) & 2) + { + // pshu/pulu + if (rn == 6) + { + lwasm_register_error2(as, l, E_REGISTER_BAD, "'%s'", "u"); + return; + } + } + else + { + if (rn == 9) + { + lwasm_register_error2(as, l, E_REGISTER_BAD, "'%s'", "s"); + return; + } + } if (rn == 8) rn = 6; else if (rn == 9)