initial support for internal MEGA65 DOS

2020-08-22 17:32:17 +02:00
1 parent 6542f64a59
commit fe00a07aeb
@@ -0,0 +1,19 @@
+// #LAYOUT# M65 KERNAL_0 #TAKE
+// #LAYOUT# *   *        #IGNORE
+
+//
+// MEGA65 pseudo-IEC internal DOS support
+//
+
+.label VDOS_INIT    = $4000
+.label VDOS_HASUNIT = $4002
+.label VDOS_ACPTR   = $4004
+.label VDOS_CIOUT   = $4006
+.label VDOS_LISTEN  = $4008
+.label VDOS_SECOND  = $400A
+.label VDOS_TALK    = $400C
+.label VDOS_TKSA    = $400E
+.label VDOS_UNTLK   = $4010
+.label VDOS_UNLSN   = $4012
+
+// XXX implement support