added libs for memchips

lib/lib_29f0x0.asm

@@ -0,0 +1,36 @@
+TRIGGER_FORMAT_29F equ $10
+C_FORMAT_29F	equ $80
+C_BYTE_PROG_29F	equ $a0
+flashoppreamble_29F
+	pha
+	lda #C_BYTE_PROG_29F
+	scc
+	lda #C_FORMAT_29F ; only if c set
+	sta command_ZP
+	pla
+	.byte {bit.w}
+flashoppreamble_acc_29F ; 39sf0x0, 29F040
+	sta command_ZP
+	txa
+	pha
+	; when write byte x must be set to either 0 or 40 temporarily
+	and #$40
+	tax
+	sta $d502,x
+	mva #$aa $b555 ; $5555<$aa
+	sta $d501,x
+	mva #$55 $aaaa ; $2aaa<$55
+	; $5555<$80
+	sta $d502,x
+	mva command_ZPff $b555; will become command: FORMAT/ID_MODE/BYTE_PROG
+	cmp #C_FORMAT_29F
+	bne @+ ; if not FORMAT, procedure finishes
+	; FORMAT part, more to write
+	sta $d502,x
+	mva #$aa $b555 ; $5555<$aa
+	sta $d501,x
+	mva #$55 $aaaa ; $2aaa<$55
+@	pla
+	tax
+flash_unlockchip_29F
+	rts