From d0d96373296052894cea14a7802521cc551219a8 Mon Sep 17 00:00:00 2001
From: Astrid Smith
Date: Tue, 14 Sep 2010 22:50:24 -0700
Subject: Conditional jumps work now.

Holy shit that was a hairy debug session.  I have a lot to look
forward to.
---
 flags.asm | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

(limited to 'flags.asm')

diff --git a/flags.asm b/flags.asm
index 40e2f44..0377108 100644
--- a/flags.asm
+++ b/flags.asm
@@ -44,7 +44,9 @@ F_ADD_SAVE	MACRO
 	F_SET	#%
 	ENDM
 
-	;; Normalize and return carry bit (is loaded into Z bit)
+	;; Normalize and return inverse of emulated Carry bit (loaded
+	;; into host zero flag)
+
 	;; Destroys d1
 f_norm_c:
 	move.b	flag_valid-flag_storage(a3),d1
@@ -60,7 +62,9 @@ FNC_ok:
 	andi.b	#%00000001,d1
 	rts
 
-	;; Normalize and return zero bit (loaded into Z bit)
+	;; Normalize and return inverse of emulated Zero bit (loaded
+	;; into host zero flag)
+
 	;; Destroys d1
 f_norm_z:
 	move.b	flag_valid-flag_storage(a3),d1
@@ -72,8 +76,9 @@ FNZ_ok:
 	andi.b	#%01000000,d1
 	rts
 
-	;; Normalize and return Parity/oVerflow bit (loaded into Z
-	;; bit)
+	;; Normalize and return inverse of emulated Parity/oVerflow
+	;; bit (loaded into host zero flag)
+
 	;; Destroys d1
 f_norm_pv:
 	move.b	flag_valid-flag_storage(a3),d1
@@ -160,7 +165,9 @@ f_cc_byte:
 	popm	d2-d5
 	rts
 
-	;; Normalize and return Sign bit (loaded into Z bit).
+	;; Normalize and return inverse of emulated Sign bit (loaded
+	;; into host zero flag).
+
 	;; Destroys d1
 f_norm_sign:
 	move.b	flag_valid-flag_storage(a3),d1
-- 
cgit v1.2.3