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diff lwasm/lwasm.h @ 377:67373a053c49
Add ?rts target for branch instructions
Add a ?rts target for branch instructions, which brances to the nearest RTS
or inverts the branch logic to branch around a generated RTS. Activated by a
pragma "qrts".
Thanks to Erik G <erik@6809.org> for the patch.
| author | William Astle <lost@l-w.ca> |
|---|---|
| date | Mon, 13 Jul 2015 20:50:02 -0600 |
| parents | 35d4213e6657 |
| children | d791d47afc48 |
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--- a/lwasm/lwasm.h Mon Jul 13 20:47:30 2015 -0600 +++ b/lwasm/lwasm.h Mon Jul 13 20:50:02 2015 -0600 @@ -97,7 +97,8 @@ PRAGMA_C = 1 << 16, // enable cycle counts PRAGMA_CD = 1 << 17, // enable detailed cycle count PRAGMA_CT = 1 << 18, // enable cycle count running total - PRAGMA_CC = 1 << 19 // clear cycle count running total + PRAGMA_CC = 1 << 19, // clear cycle count running total + PRAGMA_QRTS = 1 << 20 // enable BRA ?RTS support }; enum @@ -272,6 +273,7 @@ int pb; // pass forward post byte int lint; // pass forward integer int lint2; // another pass forward integer + int conditional_return; // for ?RTS handling (1 if RTS follows) asmstate_t *as; // assembler state data ptr int pragmas; // pragmas in effect for the line int context; // the symbol context number