X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=libsrc%2Fatari%2Fclock.s;h=6aa8836a68310dd07438a167867a7ba5a67e45f0;hb=5b1b4ea00dd0af34b333d4692018d3765cff57df;hp=f4bda8469e8255495a48b2a0aa3e7ee113fc4a6a;hpb=ab2b9d35e1ba6d3f0f60b5bbd3eda0d0c4c4df81;p=cc65

diff --git a/libsrc/atari/clock.s b/libsrc/atari/clock.s
index f4bda8469..6aa8836a6 100644
--- a/libsrc/atari/clock.s
+++ b/libsrc/atari/clock.s
@@ -1,7 +1,7 @@
 ;
 ; Ullrich von Bassewitz, 25.07.2000
 ;
-; Implemented using information from Sidney Cadot <sidney@janis.pds.twi.tudelft.nl
+; Implemented using information from Sidney Cadot <sidney@janis.pds.twi.tudelft.nl>
 ;
 ; clock_t clock (void);
 ; unsigned _clocks_per_sec (void);
@@ -18,11 +18,12 @@
 	lda	#0  	      	; Byte 3 is always zero
        	sta    	sreg+1
 	php			; Save current I flag value
-	cli			; Disable interrupts
+	sei			; Disable interrupts
 	lda	RTCLOK		; Read clock
 	ldx	RTCLOK+1
-	ldy	RTCLOK+2
-	plp			; Restore old I bit
+       	ldy	RTCLOK+2
+	plp	    		; Restore old I bit
+       	sty	sreg
 	rts
 
 .endproc
@@ -31,7 +32,7 @@
 .proc	__clocks_per_sec
 
 	lda	#50		; Assume PAL
-	ldx	PAL
+	ldx	PAL		; use hw register, PALNTS is only supported on XL/XE ROM
 	beq	@L1
 	ldx	#0
 	lda	#60