Add EDASM sample code

src/samplesrc/test.asm

@@ -0,0 +1,42 @@
+ REL
+ ORG $1000
+;
+ESTKH EQU $C0
+ESTKL EQU $D0
+;
+ EXTRN PUTS
+ EXTRN PUTLN
+;
+; EXT HEADER
+;
+ DW $6502
+ DW 0        ; SYSFLAGS
+ DW DEFSEG   ; DEF OFFSET
+ DW 1        ; DEF COUNT (INCLUDING INIT)
+ DW MODINIT  ; MOD INIT
+ MSB ON
+ ASC "CMDSY" ; MOD DEPENDENCIES
+ MSB OFF
+ ASC "S"
+ DB 0
+;
+; DATA AND 6502 CODE SEGMENT
+;
+MSG STR "Hello"
+MSGADDR DW MSG
+ASMINIT LDA MSGADDR
+ LDY MSGADDR+1
+ DEX
+ STA ESTKL,X
+ STY ESTKH,X
+ JSR PUTS
+ JMP PUTLN
+;
+; BYTECODE DEFS SEGMENT
+;
+DEFSEG EQU *
+MODINIT DB $54 ; CALL ASMINIT
+ DW ASMINIT
+ DB $2C        ; CW
+ DW $2000      ; MODKEEP
+ DB $5C        ; RET