[Vice-emu-commit] SF.net SVN: vice-emu:[45752] trunk/vice/src/datasette /datasette.c

Revision: 45752
          http://sourceforge.net/p/vice-emu/code/45752
Author:   gpz
Date:     2025-09-05 11:48:16 +0000 (Fri, 05 Sep 2025)
Log Message:
-----------
allocate buffer for tap file(s) dynamically

Modified Paths:
--------------
    trunk/vice/src/datasette/datasette.c

Modified: trunk/vice/src/datasette/datasette.c
===================================================================
--- trunk/vice/src/datasette/datasette.c	2025-09-05 11:46:19 UTC (rev 45751)
+++ trunk/vice/src/datasette/datasette.c	2025-09-05 11:48:16 UTC (rev 45752)
@@ -71,7 +71,7 @@
 static tap_t *current_image[TAPEPORT_MAX_PORTS];
 
 /* Buffer for the TAP */
-static uint8_t tap_buffer[TAPEPORT_MAX_PORTS][TAP_BUFFER_LENGTH];
+static uint8_t *tap_buffer[TAPEPORT_MAX_PORTS];
 
 /* Pointer and length of the tap-buffer */
 static long next_tap[TAPEPORT_MAX_PORTS], last_tap[TAPEPORT_MAX_PORTS];
@@ -887,6 +887,10 @@
     datasette_internal_reset(port);
 
     if (image != NULL) {
+        /* allocate buffer for the image */
+        if (tap_buffer[port] == NULL) {
+            tap_buffer[port] = lib_malloc(TAP_BUFFER_LENGTH);
+        }
         /* We need the length of tape for realistic counter. */
         current_image[port]->cycle_counter_total = 0;
         do {
@@ -904,6 +908,13 @@
     fullwave[port] = 0;
 
     ui_set_tape_status(port, current_image[port] ? 1 : 0);
+
+    /* if image was removed, get rid of the buffer */
+    if (image == NULL) {
+        if (tap_buffer[port] != NULL) {
+            lib_free(tap_buffer[port]);
+        }
+    }
 }
 
 

This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.