add stub routines to unimplemented calls

2019-04-18 23:31:56 +09:30
1 parent 1370446e79
commit 5c701f8dd0
@@ -1,2 +1,3 @@
 ; Function defined on pp272-273 of C64 Programmers Reference Guide
 acptr:
+	rts
@@ -1,2 +1,3 @@
 ; Function defined on pp272-273 of C64 Programmers Reference Guide
 chkin:
+	rts
@@ -1,2 +1,3 @@
 ; Function defined on pp272-273 of C64 Programmers Reference Guide
 chkout:
+	rts
@@ -1,2 +1,3 @@
 ; Function defined on pp272-273 of C64 Programmers Reference Guide
 chrin:
+	rts
@@ -1,2 +1,4 @@
 ; Function defined on pp272-273 of C64 Programmers Reference Guide
 chrout:
+	inc $d020
+	rts
@@ -1,2 +1,3 @@
 ; Function defined on pp272-273 of C64 Programmers Reference Guide
 cint:
+	rts
@@ -1,2 +1,3 @@
 ; Function defined on pp272-273 of C64 Programmers Reference Guide
 ciout:
+	rts
@@ -1,2 +1,3 @@
 ; Function defined on pp272-273 of C64 Programmers Reference Guide
 close:
+	rts
@@ -1 +1,2 @@
 close_all_files:
+	rts
@@ -1,2 +1,3 @@
 ; Function defined on pp272-273 of C64 Programmers Reference Guide
 clrchn:
+	rts
@@ -1 +1,2 @@
 get_screen_size:
+	rts
@@ -1,2 +1,3 @@
 ; Function defined on pp272-273 of C64 Programmers Reference Guide
 getin:
+	rts
@@ -1 +1,3 @@
 irq_handler:
+	inc $d020
+	rti
@@ -1,2 +1,3 @@
 ; Function defined on pp272-273 of C64 Programmers Reference Guide
 listen:
+	rts
@@ -1,2 +1,3 @@
 ; Function defined on pp272-273 of C64 Programmers Reference Guide
 load:
+	rts
@@ -1,2 +1,7 @@
 ; Function defined on pp272-273 of C64 Programmers Reference Guide
 membot:
+	; p287 C64 Programmers reference guide
+	; For now, we only read it, not allow setting it
+	LDX #<$0800
+	LDY #>$0800
+	rts
@@ -1,2 +1,7 @@
 ; Function defined on pp272-273 of C64 Programmers Reference Guide
 memtop:
+	; p288 C64 Programmer's reference guide
+	; but for now we only support reading it
+	LDX #<$9FFF
+	LDY #>$9FFF
+	rts
@@ -1 +1,3 @@
 nmi_handler:
+	inc $D020
+	rti
@@ -1,2 +1,3 @@
 ; Function defined on pp272-273 of C64 Programmers Reference Guide
 open:
+	rts
@@ -1 +1,2 @@
 plot:
+	rts
@@ -1,2 +1,3 @@
 ; Function defined on pp272-273 of C64 Programmers Reference Guide
 rdtim:
+	rts
@@ -1,2 +1,3 @@
 ; Function defined on pp272-273 of C64 Programmers Reference Guide
 readst:
+	rts
@@ -1,2 +1,3 @@
 ; Function defined on pp272-273 of C64 Programmers Reference Guide
 save:
+	rts
@@ -1,2 +1,3 @@
 ; Function defined on pp272-273 of C64 Programmers Reference Guide
 scnkey:
+	rts
@@ -1,2 +1,3 @@
 ; Function defined on pp272-273 of C64 Programmers Reference Guide
 second:
+	rts
@@ -1,2 +1,3 @@
 ; Function defined on pp272-273 of C64 Programmers Reference Guide
 setlfs:
+	rts
@@ -1,2 +1,3 @@
 ; Function defined on pp272-273 of C64 Programmers Reference Guide
 setmsg:
+	rts
@@ -1,2 +1,3 @@
 ; Function defined on pp272-273 of C64 Programmers Reference Guide
 setnam:
+	rts
@@ -1,2 +1,3 @@
 ; Function defined on pp272-273 of C64 Programmers Reference Guide
 settim:
+	rts
@@ -1,2 +1,3 @@
 ; Function defined on pp272-273 of C64 Programmers Reference Guide
 settmo:
+	rts
@@ -1,2 +1,3 @@
 ; Function defined on pp272-273 of C64 Programmers Reference Guide
 stop:
+	rts
@@ -1,2 +1,3 @@
 ; Function defined on pp272-273 of C64 Programmers Reference Guide
 talk:
+	rts
@@ -1,2 +1,3 @@
 ; Function defined on pp272-273 of C64 Programmers Reference Guide
 tksa:
+	rts
@@ -1,2 +1,3 @@
 ; Function defined on pp272-273 of C64 Programmers Reference Guide
 unlsn:
+	rts
@@ -1,2 +1,3 @@
 ; Function defined on pp272-273 of C64 Programmers Reference Guide
 untlk:
+	rts
@@ -1 +1,2 @@
 update_jiffy_clock:
+	rts
@@ -1,2 +1,3 @@
 ; Function defined on pp272-273 of C64 Programmers Reference Guide
 vector:
+	rts