X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?p=rmac;a=blobdiff_plain;f=eagen0.c;h=c3feb2c0baaba382f51a72cfc1be110b31b406cc;hp=c69ac886efe96673908a6a77547f9cc31961f4d1;hb=062214e62031c26d372edc2e68473ebb64f6a506;hpb=d09274f3e3d4dca122c308a621ea8edc100b7d99 diff --git a/eagen0.c b/eagen0.c index c69ac88..c3feb2c 100644 --- a/eagen0.c +++ b/eagen0.c @@ -19,7 +19,8 @@ int eaNgen(WORD siz) switch (amN) { - case DREG: // "Do nothing" - they're in the opword + // "Do nothing" - they're in the opword + case DREG: case AREG: case AIND: case APOSTINC: @@ -28,10 +29,13 @@ int eaNgen(WORD siz) case AM_CCR: case AM_SR: case AM_NONE: - break; // This is a performance hit, though - case ADISP: // expr(An) + // This is a performance hit, though + break; + case ADISP: + // expr(An) if (w) - { // Just deposit it + { + // Just deposit it if (tdb) rmark(cursect, sloc, tdb, MWORD, NULL); @@ -41,15 +45,17 @@ int eaNgen(WORD siz) D_word(v); } else - { // Arrange for fixup later on - fixup(FU_WORD|FU_SEXT, sloc, aNexpr); + { + // Arrange for fixup later on + AddFixup(FU_WORD|FU_SEXT, sloc, aNexpr); D_word(0); } break; case PCDISP: if (w) - { // Just deposit it + { + // Just deposit it if ((aNexattr & TDB) == cursect) v -= (VALUE)sloc; else if ((aNexattr & TDB) != ABS) @@ -61,19 +67,23 @@ int eaNgen(WORD siz) D_word(v); } else - { // Arrange for fixup later on - fixup(FU_WORD|FU_SEXT|FU_PCREL, sloc, aNexpr); + { + // Arrange for fixup later on + AddFixup(FU_WORD|FU_SEXT|FU_PCREL, sloc, aNexpr); D_word(0); } break; case AINDEXED: - w = (WORD)((aNixreg << 12) | aNixsiz); // Compute ixreg and size+scale + // Compute ixreg and size+scale + w = (WORD)((aNixreg << 12) | aNixsiz); if (aNexattr & DEFINED) - { // Deposit a byte... + { + // Deposit a byte... if (tdb) - return error(abs_error); // Can't mark bytes + // Can't mark bytes + return error(abs_error); if (v + 0x80 >= 0x180) return error(range_error); @@ -82,17 +92,20 @@ int eaNgen(WORD siz) D_word(w); } else - { // Fixup the byte later - fixup(FU_BYTE|FU_SEXT, sloc+1, aNexpr); + { + // Fixup the byte later + AddFixup(FU_BYTE|FU_SEXT, sloc+1, aNexpr); D_word(w); } break; case PCINDEXED: - w = (WORD)((aNixreg << 12) | aNixsiz); // Compute ixreg and size+scale + // Compute ixreg and size+scale + w = (WORD)((aNixreg << 12) | aNixsiz); if (aNexattr & DEFINED) - { // Deposit a byte... + { + // Deposit a byte... if ((aNexattr & TDB) == cursect) v -= (VALUE)sloc; else if ((aNexattr & TDB) != ABS) @@ -105,8 +118,9 @@ int eaNgen(WORD siz) D_word(w); } else - { // Fixup the byte later - fixup(FU_WBYTE|FU_SEXT|FU_PCREL, sloc, aNexpr); + { + // Fixup the byte later + AddFixup(FU_WBYTE|FU_SEXT|FU_PCREL, sloc, aNexpr); D_word(w); } @@ -127,7 +141,7 @@ int eaNgen(WORD siz) } else { - fixup(FU_BYTE|FU_SEXT, sloc+1, aNexpr); + AddFixup(FU_BYTE|FU_SEXT, sloc+1, aNexpr); D_word(0); } @@ -146,7 +160,7 @@ int eaNgen(WORD siz) } else { - fixup(FU_WORD|FU_SEXT, sloc, aNexpr); + AddFixup(FU_WORD|FU_SEXT, sloc, aNexpr); D_word(0); } @@ -161,13 +175,14 @@ int eaNgen(WORD siz) } else { - fixup(FU_LONG, sloc, aNexpr); + AddFixup(FU_LONG, sloc, aNexpr); D_long(0); } break; default: - interror(1); // IMMED size problem + // IMMED size problem + interror(1); } break; @@ -184,7 +199,7 @@ int eaNgen(WORD siz) } else { - fixup(FU_WORD|FU_SEXT, sloc, aNexpr); + AddFixup(FU_WORD|FU_SEXT, sloc, aNexpr); D_word(0); } @@ -199,7 +214,7 @@ int eaNgen(WORD siz) } else { - fixup(FU_LONG, sloc, aNexpr); + AddFixup(FU_LONG, sloc, aNexpr); D_long(0); } @@ -212,7 +227,8 @@ int eaNgen(WORD siz) case PCMPRE: return error("unsupported 68020 addressing mode"); default: - interror(3); // Bad addressing mode in ea gen + // Bad addressing mode in ea gen + interror(3); } return OK; @@ -226,3 +242,4 @@ int eaNgen(WORD siz) #undef aNexpr #undef aNixreg #undef aNixsiz +