Add ROM version to unused hw vector and before filename in SRAM

Two 16 bit ints located at $FFE0 (0x7FE0 PC) in ROM and burned into SRAM
starting at $701FFC, just before the ROM name

init.asm

@@ -1,3 +1,5 @@
+RomVersionSRAM = $701FFC
+
 ;--------------------------------------------------------------------------------
 ; Init_Primary
 ;--------------------------------------------------------------------------------
@@ -39,6 +41,11 @@ Init_Primary:
 			LDA $00FFC0, X : STA $702000, X
 			INX
 			CPX #$15 : !BLT -
+                LDX #$00
+                -
+                        LDA RomVersion, X : STA RomVersionSRAM, X
+                        INX
+                        CPX #$04 : !BLT -
 	.done
 
 	REP #$20
@@ -63,4 +70,4 @@ Init_PostRAMClear:
 	JSL MSUInit
 	JSL InitRNGPointerTable
 
-JML $00D463	; The original target of the jump table that we hijacked
+JML $00D463	; The original target of the jump table that we hijacked