Added new optimisation option "+op" which enforces PC relative mode (#123)

[rmac] / parmode.h

diff --git a/parmode.h b/parmode.h
index 13b83fcae05cd27827f94b998d95361ccd89f93a..955fade88621de27095dad9fba6f613c8498f76f 100644 (file)
--- a/parmode.h
+++ b/parmode.h
@@ -1,7 +1,7 @@
 //
 // RMAC - Reboot's Macro Assembler for all Atari computers
 // PARMODE.C - Addressing Modes Parser Include
-// Copyright (C) 199x Landon Dyer, 2011-2018 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
 //
@@ -81,7 +81,7 @@
                }
                else if ((*tok >= KW_D0) && (*tok <= KW_D7))
                {
-                       //Since index register isn't used here, store register number in this field
+                       // Since index register isn't used here, store register number in this field
                        AnIXREG = *tok++ & 7;                                // (Dn)
 
                        if (*tok == ')')
@@ -1169,6 +1169,14 @@ CHK_FOR_DISPn:
                        // expr[.L]
                        AMn = ABSL;
 
+                       // When PC relative is enforced, check for any symbols that aren't 
+                       // EQU'd, in this case it's an illegal mode
+                       if (optim_pc)
+                               if (AnEXATTR & REFERENCED)
+                                       if (AnEXATTR & DEFINED)
+                                               if (!(AnEXATTR & EQUATED))
+                                                       return error("relocation not allowed");
+
                        // .L is forced here
                        if (*tok == DOTL)
                        {