X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?p=rmac;a=blobdiff_plain;f=parmode.h;h=60eca336079551b416c3c43e8fab9c5429277b14;hp=54b584e0fc4f4c58bbbb510f4f1000acef2833d1;hb=a7d3861005ef22f14caec4e1c899e079334716af;hpb=49eac9eff9d177e717de7bc8799a632c46b79237 diff --git a/parmode.h b/parmode.h index 54b584e..60eca33 100644 --- a/parmode.h +++ b/parmode.h @@ -236,7 +236,6 @@ { if (expr(AnEXPR, &AnEXVAL, &AnEXATTR, &AnESYM) != OK) return error("scale factor expression must evaluate"); - switch (AnEXVAL) { case 1: @@ -292,13 +291,9 @@ tok++; AnEXTEN|=EXT_FULLWORD; //Definitely using full extension format, so set bit 8 // Check to see if base displacement is present - //WARNING("expr will return a bad expression error here but this is expected, it needs to be silenced!"); if (*tok!=CONST && *tok !=SYMBOL) - //if (expr(AnBEXPR, &AnBEXVAL, &AnBEXATTR, &AnESYM) != OK) { AnEXTEN|=EXT_BDSIZE0; - //tok++; - //tok--; //Rewind tok since expr advances it forward } else { @@ -806,21 +801,22 @@ tok++; goto AnOK; } - else if (*tok++!=',') + else if (*tok++ != ',') return error("comma expected after ]"); - WARNING(Put symbol and constant checks here!) - - if (expr(AnEXPR, &AnEXVAL, &AnEXATTR, &AnESYM) != OK) - goto badmode; - - if (CHECK_OPTS(OPT_BASE_DISP) && (AnEXVAL == 0)) + if (*tok == SYMBOL || *tok == CONST) { - // od=0 so optimise it out - AMn = MEMPRE; // let's say it's ([bd,An],Xn,od) with od=0 then - AnEXTEN |= EXT_IISPRE0; // No outer displacement - tok++; - goto AnOK; + if (expr(AnEXPR, &AnEXVAL, &AnEXATTR, &AnESYM) != OK) + goto badmode; + + if (CHECK_OPTS(OPT_BASE_DISP) && (AnEXVAL == 0) && (AnEXATTR & DEFINED)) + { + // od=0 so optimise it out + AMn = MEMPRE; // let's say it's ([bd,An],Xn,od) with od=0 then + AnEXTEN |= EXT_IISPRE0; // No outer displacement + tok++; + goto AnOK; + } } // ([bd,An/PC,Xn],od) @@ -834,25 +830,34 @@ else { // expr.[W] - //tok++; - - AnEXTEN |= EXT_IISPREW; AMn = MEMPRE; + int expr_size = EXT_IISPREW; // Assume we have a .w value - // Is .W forced here? - if (*tok == DOTW) + if ((AnEXVAL + 0x8000) > 0x10000) { - tok++; + // Long value, so mark it as such for now + expr_size = EXT_IISPREL; + + // Defined, absolute values from $FFFF8000..$00007FFF + // get optimized to absolute short + if (CHECK_OPTS(OPT_BASE_DISP) + && ((AnEXATTR & (TDB | DEFINED)) == DEFINED) + && ((AnEXVAL + 0x8000) < 0x10000)) + { + expr_size = EXT_IISPREW; + warn("outer displacement absolute value from $FFFF8000..$00007FFF optimised to absolute short"); + } } - // Defined, absolute values from $FFFF8000..$00007FFF get optimized - // to absolute short - else if (CHECK_OPTS(OPT_BASE_DISP) - && ((AnEXATTR & (TDB | DEFINED)) == DEFINED) - && ((AnEXVAL + 0x8000) < 0x10000)) + AnEXTEN |= expr_size; // Assume we have a .w value + + // Is .W forced here? + if (*tok == DOTW) { - AnEXTEN |= EXT_IISPREW; - warn("outer displacement absolute value from $FFFF8000..$00007FFF optimised to absolute short"); + tok++; + + if (expr_size == EXT_IISPREL) + return error("outer displacement value does not fit in .w size"); } }