X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?p=rmac;a=blobdiff_plain;f=mach.c;h=f979c9e98985d1eb8166c5011867271bed7f6c62;hp=08a9bab8f14e78e62ceb76c4813783a108582a88;hb=c59f7a33730dacf753e066a4002e2f749051a137;hpb=9153334781cd2e23750f4dc002e847606c07a1f0

diff --git a/mach.c b/mach.c
index 08a9bab..f979c9e 100644
--- a/mach.c
+++ b/mach.c
@@ -1,7 +1,7 @@
 //
 // RMAC - Reboot's Macro Assembler for all Atari computers
 // MACH.C - Code Generation
-// Copyright (C) 199x Landon Dyer, 2011-2018 Reboot and Friends
+// Copyright (C) 199x Landon Dyer, 2011-2019 Reboot and Friends
 // RMAC derived from MADMAC v1.07 Written by Landon Dyer, 1986
 // Source utilised with the kind permission of Landon Dyer
 //
@@ -60,7 +60,7 @@ int m_cas2(WORD inst, WORD siz);
 int m_chk2(WORD inst, WORD siz);
 int m_cmp2(WORD inst, WORD siz);
 int m_bkpt(WORD inst, WORD siz);
-int m_cpbr(WORD inst, WORD siz);
+int m_cpbcc(WORD inst, WORD siz);
 int m_cpdbr(WORD inst, WORD siz);
 int m_muls(WORD inst, WORD siz);
 int m_move16a(WORD inst, WORD siz);
@@ -92,6 +92,7 @@ int m_ploadw(WORD inst, WORD siz);
 
 // FPU
 int m_fabs(WORD inst, WORD siz);
+int m_fbcc(WORD inst, WORD siz);
 int m_facos(WORD inst, WORD siz);
 int m_fadd(WORD inst, WORD siz);
 int m_fasin(WORD inst, WORD siz);
@@ -1542,13 +1543,10 @@ int m_chk2(WORD inst, WORD siz)
 
 
 //
-// cpbcc(68020, 68030, 68040 (FBcc), 68060 (FBcc))
-// TODO: Better checks for different instructions?
+// cpbcc(68020, 68030, 68040 (FBcc), 68060 (FBcc)), pbcc (68851)
 //
-int m_cpbr(WORD inst, WORD siz)
+int m_fpbr(WORD inst, WORD siz)
 {
-	if ((activecpu & (CPU_68020 | CPU_68030)) && (!activefpu == 0))
-		return error(unsupport);
 
 	if (a0exattr & DEFINED)
 	{
@@ -1602,6 +1600,38 @@ int m_cpbr(WORD inst, WORD siz)
 }
 
 
+//
+// cpbcc(68020, 68030, 68040 (FBcc), 68060 (FBcc))
+//
+int m_cpbcc(WORD inst, WORD siz)
+{
+	if (!(activecpu & (CPU_68020 | CPU_68030)))
+		return error(unsupport);
+
+	return m_fpbr(inst, siz);
+}
+
+
+//
+// fbcc(6808X, 68040, 68060)
+//
+int m_fbcc(WORD inst, WORD siz)
+{
+	CHECKNOFPU;
+	return m_fpbr(inst, siz);
+}
+
+
+//
+// pbcc(68851 but let's assume 68020 only)
+//
+int m_pbcc(WORD inst, WORD siz)
+{
+	CHECKNO20;
+	return m_fpbr(inst, siz);
+}
+
+
 //
 // cpdbcc(68020, 68030)
 //
@@ -2109,16 +2139,6 @@ int m_moves(WORD inst, WORD siz)
 }
 
 
-//
-// PBcc (MC68851)
-//
-int m_pbcc(WORD inst, WORD siz)
-{
-	CHECKNO20;
-	return error("Not implemented yet.");
-}
-
-
 //
 // pflusha (68030, 68040)
 //
@@ -2948,14 +2968,12 @@ int m_flogn(WORD inst, WORD siz)
 
 
 //
-// flognp1 (68040FPSP, 68060FPSP)
+// flognp1 (6888X, 68040FPSP, 68060FPSP)
 //
 int m_flognp1(WORD inst, WORD siz)
 {
-	if (activefpu & (FPU_68040 | FPU_68060))
-		return gen_fpu(inst, siz, B8(00000110), FPU_FPSP);
-
-	return error("Unsupported in current FPU");
+	CHECKNOFPU;
+	return gen_fpu(inst, siz, B8(00000110), FPU_FPSP);
 }