X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?p=rmac;a=blobdiff_plain;f=procln.c;h=8cdcc6af2501cd5e8b1886cbe76e3813a63a46d9;hp=b43561d09956a782ac3aced1ce0f0ea60852d765;hb=ace0b549a94110b69ec61442f825fb421b79799a;hpb=412fe3614e2d9ea6bf35ebb5b335c1adb79b5c39 diff --git a/procln.c b/procln.c index b43561d..8cdcc6a 100644 --- a/procln.c +++ b/procln.c @@ -1,7 +1,7 @@ // // RMAC - Reboot's Macro Assembler for all Atari computers // PROCLN.C - Line Processing -// Copyright (C) 199x Landon Dyer, 2011-2019 Reboot and Friends +// Copyright (C) 199x Landon Dyer, 2011-2020 Reboot and Friends // RMAC derived from MADMAC v1.07 Written by Landon Dyer, 1986 // Source utilised with the kind permission of Landon Dyer // @@ -53,6 +53,7 @@ int disabled; // Assembly conditionally disabled int just_bss; // 1, ds.b in microprocessor mode uint32_t pcloc; // Value of "PC" at beginning of line SYM * lab_sym; // Label on line (or NULL) +char * label_defined; // The name of the last label defined in current line (if any) const char extra_stuff[] = "extra (unexpected) text found after addressing mode"; const char comma_error[] = "missing comma"; @@ -186,6 +187,7 @@ DEBUG { printf("Assemble: Found TKEOF flag...\n"); } state = -3; // No keyword (just EOL) label = NULL; // No label + label_defined = NULL; // No label defined yet lab_sym = NULL; // No (exported) label equate = NULL; // No equate tk = tok; // Save first token in line @@ -233,6 +235,8 @@ as68label: if (HandleLabel(label, labtyp) != 0) goto loop; + label_defined = label; + goto as68label; } } @@ -363,6 +367,8 @@ as68label: { if (HandleLabel(label, labtyp) != 0) goto loop; + + label_defined = label; } HandleRept(); @@ -480,6 +486,11 @@ When checking to see if it's already been equated, issue a warning. registerbank = BANK_0; else if (*(uint64_t *)tok == 1) registerbank = BANK_1; + + // Advance half-way through the 64-bit const. + // The code below, expecting a regular token, + // will advance past the second half. + tok++; } #ifdef DEBODGE_REGBANK @@ -597,6 +608,8 @@ When checking to see if it's already been equated, issue a warning. // Non-zero == error occurred if (HandleLabel(label, labtyp) != 0) goto loop; + + label_defined = label; } // Punt on EOL @@ -837,8 +850,13 @@ When checking to see if it's already been equated, issue a warning. if (amode(1) < 0) // Parse 0, 1 or 2 addr modes goto loop; - if (*tok != EOL) - error(extra_stuff); + // Check that we're at EOL + // The only exception is ptestr/ptestw instructions + // that have 3 or 4 operands and are not handled by + // amode(). (yes, we're taking a performance hit here sadly) + if (m->mnfunc != m_ptestr && m->mnfunc != m_ptestw) + if (*tok != EOL) + error(extra_stuff); amsk0 = amsktab[am0]; amsk1 = amsktab[am1];