sound chips added to pld file and added sn76489 test

2026-10-17 13:30:54 +02:00
parent 55012d8b7b
commit ebf409745d
20 changed files with 2972 additions and 264 deletions
@@ -0,0 +1,53 @@
+Name     acc;
+PartNo   00;
+Date     2026-10-11;
+Revision 01;
+Designer Joppe Blondel;
+Company  unknown;
+Assembly unknown;
+Location unknown;
+Device   g22v10;
+
+/* Constants */
+ar = 'b'0;
+sp = 'b'0;
+
+/* Pin assignments */
+/*   inputs */
+PIN 1 = CLK;
+PIN 2 = A1;
+PIN 3 = A2;
+PIN 4 = IOSELN;
+PIN 5 = RDN;
+PIN 6 = A0;
+PIN 7 = COMP;
+PIN 8 = WRN;
+/*   outputs */
+PIN 14 = D0;
+PIN 15 = SNWEN;
+PIN 16 = AYBDIR;
+PIN 17 = AYBC1;
+PIN 22 = COUT;
+
+/* Read reg0 */
+/*   places comparator output on D0 when reading addr0 */
+D0 = COMP;
+D0.OE = !IOSELN & !RDN & WRN & !A0 & !A1 & !A2;
+
+/* Write reg0 */
+/*   writes D0 to casette output port */
+/*   during a write COUT.D=D0 otherwise COUT.D = COUT */
+COUT.D = (!IOSELN & RDN & !WRN & !A0 & !A1 & !A2 & D0) #
+         ((IOSELN # !RDN # WRN # A0 # A1 # A2) & COUT);
+COUT.ar = ar;
+COUT.sp = sp;
+
+/* Write to SN76489 at addr 1 */
+SNWEN = !(!IOSELN & RDN & !WRN & A0 & !A1 & !A2);
+
+/* AY-3-8910 access at addr 2 (data) addr 3 (adress) */
+AYDATAREAD = !IOSELN & !RDN & WRN & !A0 & A1 & !A2;
+AYDATAWRITE = !IOSELN & RDN & !WRN & !A0 & A1 & !A2;
+AYADDRWRITE = !IOSELN & RDN & !WRN & A0 & A1 & !A2;
+AYBDIR = AYDATAWRITE # AYADDRWRITE;
+AYBC1 = AYDATAREAD # AYADDRWRITE;