From: Toni Wilen <twilen@winuae.net>
Date: Mon, 12 Feb 2024 18:40:05 +0000 (+0200)
Subject: Reduce LDP ACK delay. It was far too long. (Picmatic Zorton Brothers hang fix)
X-Git-Tag: 5200~14
X-Git-Url: https://git.unchartedbackwaters.co.uk/w/?a=commitdiff_plain;h=23aa0a3c49e2d5e548752dc9f30c137b06cfd999;p=francis%2Fwinuae.git

Reduce LDP ACK delay. It was far too long. (Picmatic Zorton Brothers hang fix)
---

diff --git a/arcadia.cpp b/arcadia.cpp
index 4f50d408..a00d063f 100644
--- a/arcadia.cpp
+++ b/arcadia.cpp
@@ -725,7 +725,7 @@ static void sb(uae_u8 v)
 }
 static void ack(void)
 {
-	ld_wait_ack = 1;
+	ld_wait_ack = alg_hsync_delay + 30;
 	sb(0x0a); // ACK
 }
 
@@ -1008,7 +1008,6 @@ bool alg_ld_active(void)
 
 static void alg_vsync(void)
 {
-	ld_wait_ack = 0;
 	ld_vsync++;
 	if (ld_save_restore) {
 		if (ld_address == 0 || getsetpositionvideograb(ld_address) > 0) {
@@ -1096,8 +1095,11 @@ static int sony_serial_write(void)
 {
 	if (ser_buf_offset > 0) {
 		uae_u16 v = alg_ser_buf[0];
-		if (v == 0x0a && ld_wait_ack)
-			return -1;
+		if (v == 0x0a) {
+			if (arcadia_hsync_cnt < ld_wait_ack) {
+				return -1;
+			}
+		}
 		ser_buf_offset--;
 		memmove(alg_ser_buf, alg_ser_buf + 1, ser_buf_offset);
 		return v;