X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?p=rmac;a=blobdiff_plain;f=direct.c;h=7076358cf0db46c2fa2384a0791b0761391b22ce;hp=aebe56648760f3ee3add972e7ef1b68eb56c44de;hb=5cd8a4814b805f1ef8ce689423eb5eeba12573c5;hpb=968958cccf9201debee2cb0d4856cb5b55c6867d diff --git a/direct.c b/direct.c index aebe566..7076358 100644 --- a/direct.c +++ b/direct.c @@ -27,7 +27,6 @@ TOKEN exprbuf[128]; // Expression buffer SYM * symbolPtr[1000000]; // Symbol pointers table static long unused; // For supressing 'write' warnings char buffer[256]; // Scratch buffer for messages -int stringtype; // Non-zero if we need any special string conversions // Function prototypes int d_unimpl(void); @@ -67,6 +66,7 @@ int d_fail(void); int d_cstruct(void); int d_prgflags(void); int d_opt(void); +int d_dsp(void); // Directive handler table int (*dirtab[])() = { @@ -128,6 +128,14 @@ int (*dirtab[])() = { d_nojpad, // 55 .nojpad (deprecated) d_gpumain, // 56 .gpumain (deprecated) d_prgflags, // 57 .prgflags + d_68020, // 58 .68020 + d_68030, // 59 .68030 + d_68040, // 60 .68040 + d_68060, // 61 .68060 + d_68881, // 62 .68881 + d_68882, // 63 .68882 + d_56001, // 64 .56001 + d_nofpu, // 65 nofpu d_opt, // 58 .opt }; @@ -930,7 +938,9 @@ int d_ds(WORD siz) // Check to see if the value being passed in is negative (who the hell does // that?--nobody does; it's the code gremlins, or rum, that does it) - if (eval < 0) + // N.B.: Since VALUE is of type uint32_t, if it goes negative, it will have + // its high bit set. + if (eval & 0x80000000) return error("negative sizes not allowed"); // In non-TDB section (BSS, ABS and M6502) just advance the location @@ -983,19 +993,19 @@ int d_dc(WORD siz) for(;; tok++) { // dc.b 'string' [,] ... - if (siz == SIZB && *tok == STRING && (tok[2] == ',' || tok[2] == EOL)) + if (siz == SIZB && (*tok == STRING || *tok == STRINGA8) && (tok[2] == ',' || tok[2] == EOL)) { uint32_t i = strlen(string[tok[1]]); if ((challoc - ch_size) < i) chcheck(i); - if (stringtype == NORMAL) + if (*tok == STRING) { for(p=string[tok[1]]; *p!=EOS; p++) D_byte(*p); } - else if(stringtype == A8INT) + else if(*tok == STRINGA8) { for(p=string[tok[1]]; *p!=EOS; p++) D_byte(strtoa8[*p]); @@ -1005,7 +1015,6 @@ int d_dc(WORD siz) error("String format not supported... yet"); } - tok += 2; goto comma; } @@ -1041,15 +1050,15 @@ int d_dc(WORD siz) } else { + if (tdb) + return error("non-absolute byte value"); + if (eval + 0x100 >= 0x200) { sprintf(buffer, "%s (value = $%X)", range_error, eval); return error(buffer); } - if (tdb) - return error("non-absolute byte value"); - D_byte(eval); } @@ -1376,9 +1385,88 @@ int d_68000(void) orgwarning = 0; SaveSection(); SwitchSection(TEXT); + activecpu=CPU_68000; + return 0; +} + +// +// .68020 - Back to 68000 TEXT segment and select 68020 +// +int d_68020(void) +{ + d_68000(); + activecpu=CPU_68020; + return 0; +} + +// +// .68030 - Back to 68000 TEXT segment and select 68030 +// +int d_68030(void) +{ + d_68000(); + activecpu=CPU_68030; + return 0; +} + +// +// .68040 - Back to 68000 TEXT segment and select 68040 +// +int d_68040(void) +{ + d_68000(); + activecpu=CPU_68040; + activefpu=FPU_68040; + return 0; +} + +// +// .68060 - Back to 68000 TEXT segment and select 68060 +// +int d_68060(void) +{ + d_68000(); + activecpu=CPU_68060; + activefpu=FPU_68040; + return 0; +} + +// +// .68881 - Back to 68000 TEXT segment and select 68881 FPU +// +int d_68881(void) +{ + d_68000(); + activefpu=FPU_68881; return 0; } +// +// .68882 - Back to 68000 TEXT segment and select 68882 FPU +// +int d_68882(void) +{ + d_68000(); + activefpu=FPU_68881; + return 0; +} + +// +// nofpu - Deselect FPUs. +// +int d_nofpu(void) +{ + activefpu=FPU_NONE; + return 0; +} + +// +// DSP56001 +// +int d_56001(void) +{ + return error("Not yet, child. Be patient."); +} // // .gpu - Switch to GPU assembler