X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?p=rmac;a=blobdiff_plain;f=procln.c;h=c7d47134e0a08f7b558b6b6d85259529a417ee09;hp=dd8980622be2eb42d4f4ebd7e3dd75ab3572c9f7;hb=5f23454f7155f0c77ea1bede3f9e60b39da99fa8;hpb=60f204cb9e3905100da0d89f14bb40db764acd9e diff --git a/procln.c b/procln.c index dd89806..c7d4713 100644 --- a/procln.c +++ b/procln.c @@ -7,16 +7,17 @@ // #include "procln.h" -#include "listing.h" +#include "6502.h" #include "amode.h" +#include "direct.h" #include "error.h" -#include "sect.h" #include "expr.h" +#include "listing.h" #include "mach.h" -#include "direct.h" #include "macro.h" -#include "symbol.h" #include "riscasm.h" +#include "sect.h" +#include "symbol.h" #define DEF_KW // Declare keyword values #include "kwtab.h" // Incl generated keyword tables & defs @@ -29,6 +30,9 @@ #define DECL_MR #include "risckw.h" +#define DEF_MP // Include 6502 keyword definitions +#define DECL_MP // Include 6502 keyword state machine tables +#include "6502kw.h" IFENT * ifent; // Current ifent static IFENT ifent0; // Root ifent @@ -45,7 +49,7 @@ const char locgl_error[] = "cannot GLOBL local symbol"; const char lab_ignored[] = "label ignored"; // Table to convert an addressing-mode number to a bitmask. -LONG amsktab[0112] = { +LONG amsktab[0124] = { M_DREG, M_DREG, M_DREG, M_DREG, M_DREG, M_DREG, M_DREG, M_DREG, @@ -67,25 +71,35 @@ LONG amsktab[0112] = { M_AINDEXED, M_AINDEXED, M_AINDEXED, M_AINDEXED, M_AINDEXED, M_AINDEXED, M_AINDEXED, M_AINDEXED, - M_ABSW, // 070 - M_ABSL, // 071 - M_PCDISP, // 072 - M_PCINDEXED, // 073 - M_IMMED, // 074 - 0L, // 075 - 0L, // 076 - 0L, // 077 - M_ABASE, // 0100 - M_MEMPOST, // 0101 - M_MEMPRE, // 0102 - M_PCBASE, // 0103 - M_PCMPOST, // 0104 - M_PCMPRE, // 0105 - M_AM_USP, // 0106 - M_AM_SR, // 0107 - M_AM_CCR, // 0110 - M_AM_NONE // 0111 -}; // 0112 length + M_ABSW, // 070 + M_ABSL, // 071 + M_PCDISP, // 072 + M_PCINDEXED, // 073 + M_IMMED, // 074 + 0L, // 075 + 0L, // 076 + 0L, // 077 + M_ABASE, // 0100 + M_MEMPOST, // 0101 + M_MEMPRE, // 0102 + M_PCBASE, // 0103 + M_PCMPOST, // 0104 + M_PCMPRE, // 0105 + M_AM_USP, // 0106 + M_AM_SR, // 0107 + M_AM_CCR, // 0110 + M_AM_NONE, // 0111 + 0x30, // 0112 + 0x30, // 0113 + 0L, // 0114 + 0L, // 0115 + 0L, // 0116 + 0L, // 0117 + M_CREG, // 0120 (caches - TODO: is this correct or does it need its own bitfield?) + M_CREG, // 0121 + M_FREG, // 0122 + M_FPSCR // 0123 +}; // 0123 length // Function prototypes @@ -173,6 +187,9 @@ loop1: // Internal line processing loop // First token MUST be a symbol (Shamus: not sure why :-/) if (*tok != SYMBOL) { + if (*tok>=KW_D0 && *tok<=KW_R31) + error("cannot use reserved keyword as label name or .equ"); + else error("syntax error; expected symbol"); goto loop; } @@ -257,6 +274,17 @@ as68label: siz = SIZL, tok++; else if (*tok == DOTB) siz = SIZB, tok++; + else if(*tok == DOTD) + siz = SIZD, tok++; + else if(*tok == DOTP) + siz = SIZP, tok++; + else if(*tok == DOTQ) + siz = SIZQ, tok++; + else if(*tok == DOTS) + siz = SIZS, tok++; + else if(*tok == DOTX) + siz = SIZX, tok++; + // Do special directives (500..999) (These must be handled in "real time") if (state >= 500 && state < 1000) @@ -566,6 +594,41 @@ When checking to see if it's already been equated, issue a warning. if (state == -3) goto loop; + // If we're in 6502 mode and are still in need of a mnemonic, then search + // for valid 6502 mnemonic. + if (m6502 && (state < 0 || state >= 1000)) + { +#ifdef ST + state = kmatch(opname, mpbase, mpcheck, mptab, mpaccept); +#else + for(state=0, p=opname; state>= 0; ) + { + j = mpbase[state] + tolowertab[*p]; + + if (mpcheck[j] != state) // Reject, character doesn't match + { + state = -1; // No match + break; + } + + if (!*++p) + { // Must accept or reject at EOS + state = mpaccept[j]; // (-1 on no terminal match) + break; + } + + state = mptab[j]; + } +#endif + + // Call 6502 code generator if we found a mnemonic + if (state >= 2000) + { + m6502cg(state - 2000); + goto loop; + } + } + // If we are in GPU or DSP mode and still in need of a mnemonic then search // for one if ((rgpu || rdsp) && (state < 0 || state >= 1000))