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changeset 459:c49ecf575784

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Revert change to VBLANK flag timing based on new direct color DMA test
author Mike Pavone <pavone@retrodev.com>
date Sun, 08 Sep 2013 20:48:33 -0700
parents 848a3db9d0b0
children 6221f8f534fa
files vdp.c
diffstat 1 files changed, 2 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/vdp.c	Sun Sep 08 20:47:01 2013 -0700
+++ b/vdp.c	Sun Sep 08 20:48:33 2013 -0700
@@ -1564,7 +1564,7 @@
 	}
 	uint32_t line= context->cycles / MCLKS_LINE;
 	uint32_t linecyc = context->cycles % MCLKS_LINE;
-	if (line >= (context->latched_mode & BIT_PAL ? PAL_ACTIVE : NTSC_ACTIVE) || context->cycles < (context->latched_mode & BIT_H40 ? 16*4 : 16*5)) {
+	if (line >= (context->latched_mode & BIT_PAL ? PAL_ACTIVE : NTSC_ACTIVE)) {
 		value |= 0x8;
 	}
 	if (linecyc < (context->latched_mode & BIT_H40 ? HBLANK_CLEAR_H40 : HBLANK_CLEAR_H32)) {
@@ -1576,6 +1576,7 @@
 	if (context->latched_mode & BIT_PAL) {//Not sure about this, need to verify
 		value |= 0x1;
 	}
+	//printf("status read at cycle %d returned %X\n", context->cycles, value);
 	//TODO: Sprite overflow, sprite collision, odd frame flag
 	return value;
 }