Small horizontal interrupt fixes

2 files changed, 3 insertions, 3 deletions

diff --git a/gst.c b/gst.c
index a901858..28cc4ca 100644
--- a/gst.c
+++ b/gst.c
@@ -423,7 +423,7 @@ uint32_t load_gst(genesis_context * gen, char * fname)
 		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 --git a/vdp.c b/vdp.c
index e6d5aea..a7f9d1b 100644
--- a/vdp.c
+++ b/vdp.c
@@ -1476,7 +1476,7 @@ void vdp_run_context(vdp_context * context, uint32_t target_cycles)
 			}
 		}
 		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 vdp_next_hint(vdp_context * context)
 	}
 	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;