X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?p=rmac;a=blobdiff_plain;f=amode.c;h=fb10055f1968bf45985cd193392c6f42bb57d071;hp=73f2bdaa15f19cdf0b671481eb69f59b8b939d52;hb=2e93724df4f2f5ba11bf957b6f2bb72c8b47137d;hpb=582df8950c285e1746d0c4a9e3ead6545c962dc8 diff --git a/amode.c b/amode.c index 73f2bda..fb10055 100644 --- a/amode.c +++ b/amode.c @@ -61,12 +61,11 @@ WORD a1extension; // 020+ extension address word WORD am1_030; // ea bits for 020+ addressing modes int a2reg; // Register for div.l (68020+) -WORD mulmode; // to distinguish between 32 and 64 bit multiplications (68020+) int bfparam1; // bfxxx / fmove instruction parameter 1 int bfparam2; // bfxxx / fmove instruction parameter 2 -int bfval1; //bfxxx / fmove value 1 -int bfval2; //bfxxx / fmove value 2 +int bfval1; // bfxxx / fmove value 1 +int bfval2; // bfxxx / fmove value 2 TOKEN bf0expr[EXPRSIZE]; // Expression uint64_t bf0exval; // Expression's value WORD bf0exattr; // Expression's attribute @@ -186,25 +185,20 @@ int amode(int acount) if ((*tok >= KW_D0) && (*tok <= KW_D7)) { - a2reg = (*tok - KW_D0); - mulmode = 1 << 10; + a2reg = (*tok++) & 7; } else if ((*tok >= KW_FP0) && (*tok <= KW_FP7)) { - a2reg = (*tok - KW_FP0); - mulmode = 1 << 10; + a2reg = (*tok++) & 7; } else return error("a data or FPU register must follow a :"); - - *tok++; } else { // If no ':' is present then maybe we have something like divs.l d0,d1 // which sould translate to divs.l d0,d1:d1 a2reg = a1reg; - mulmode = 0; } nmodes = 2; @@ -384,18 +378,18 @@ int fpu_reglist_right(WORD * a_rmask) // int check030bf(void) { + PTR tp; CHECK00; tok++; if (*tok == CONST) { - tok++; - bfval1 = (int)*(uint64_t *)tok; + tp.u32 = tok + 1; + bfval1 = (int)*tp.u64++; + tok = tp.u32; // Do=0, offset=immediate - shift it to place bfparam1 = (0 << 11); - tok++; - tok++; } else if (*tok == SYMBOL) { @@ -420,8 +414,9 @@ int check030bf(void) else return ERROR; - if (*tok==':') - tok++; //eat the ':' + // Eat the ':', if any + if (*tok == ':') + tok++; if (*tok == '}' && tok[1] == EOL) { @@ -432,13 +427,12 @@ int check030bf(void) if (*tok == CONST) { - tok++; - bfval2 = (int)*(uint64_t *)tok; + tp.u32 = tok + 1; + bfval2 = (int)*tp.u64++; + tok = tp.u32; // Do=0, offset=immediate - shift it to place bfparam2 = (0 << 5); - tok++; - tok++; } else if (*tok == SYMBOL) { @@ -456,7 +450,7 @@ int check030bf(void) else if ((*tok >= KW_D0) && (*tok <= KW_D7)) { // Do=1, offset=data register - shift it to place - bfval2 = ((*(int *)tok - 128)); + bfval2 = (*(int *)tok - 128); bfparam2 = (1 << 5); tok++; }