From 7ce8cc1d243120d6d0657f926fec6018b58c6ac5 Mon Sep 17 00:00:00 2001
From: Andrew Alderwick <andrew@alderwick.co.uk>
Date: Thu, 17 Mar 2022 19:03:41 +0000
Subject: [PATCH] Add file reading with .File/read DEI(2).

---
 src/devices/file.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/devices/file.c b/src/devices/file.c
index 2363b74..d31d88e 100644
--- a/src/devices/file.c
+++ b/src/devices/file.c
@@ -198,5 +198,14 @@ file_i_deo(int instance, Device *d, Uint8 port)
 Uint8
 file_i_dei(int instance, Device *d, Uint8 port)
 {
+	UxnFile *c = &uxn_file[instance];
+	Uint16 res;
+	switch(port) {
+	case 0xc:
+	case 0xd:
+		res = file_read(c, &d->dat[port], 1);
+		DEVPOKE16(0x2, res);
+		break;
+	}
 	return d->dat[port];
 }