# HG changeset patch
# User Michael Pavone <pavone@retrodev.com>
# Date 1431670675 25200
# Node ID 61faa298af0747be2f45a0a1d8fb7ce000b20247
# Parent  8aa9aacefe1295b0938d084f24eb1119458493bd
Small horizontal interrupt fixes

diff -r 8aa9aacefe12 -r 61faa298af07 gst.c
--- a/gst.c	Thu May 14 00:04:22 2015 -0700
+++ b/gst.c	Thu May 14 23:17:55 2015 -0700
@@ -423,7 +423,7 @@
 		fprintf(stderr, "Could not read ident code from %s\n", fname);
 		goto error_close;
 	}
-	if (memcmp(ident, "GST\x40\xE0", 5) != 0) {
+	if (memcmp(ident, "GST\x40\xE0", 3) != 0) {
 		fprintf(stderr, "%s doesn't appear to be a GST savestate. The ident code is %c%c%c\\x%X\\x%X instead of GST\\x40\\xE0.\n", fname, ident[0], ident[1], ident[2], ident[3], ident[4]);
 		goto error_close;
 	}
diff -r 8aa9aacefe12 -r 61faa298af07 vdp.c
--- a/vdp.c	Thu May 14 00:04:22 2015 -0700
+++ b/vdp.c	Thu May 14 23:17:55 2015 -0700
@@ -1476,7 +1476,7 @@
 			}
 		}
 		if (is_h40 && slot == LINE_CHANGE_H40 || !is_h40 && slot == LINE_CHANGE_H32) {
-			if (line >= inactive_start) {
+			if (line > inactive_start) {
 				context->hint_counter = context->regs[REG_HINT];
 			} else if (context->hint_counter) {
 				context->hint_counter--;
@@ -1954,7 +1954,7 @@
 	}
 	uint32_t inactive_start = context->latched_mode & BIT_PAL ? PAL_INACTIVE_START : NTSC_INACTIVE_START;
 	uint32_t hint_line;
-	if (context->vcounter >= inactive_start) {
+	if (context->vcounter + context->hint_counter >= inactive_start) {
 		hint_line = context->regs[REG_HINT];
 	} else {
 		hint_line = context->vcounter + context->hint_counter + 1;