a2audit/audit/detect.asm

;;; Apple II Printing of model and memory
;;; Copyright © 2016 Zellyn Hunter <zellyn@gmail.com>

	!zone detect {
	jsr IDENTIFY
	lda $C082		; Put ROM back in place.

	+print
	!text "MEMORY:"
	+printed
	lda MEMORY
	bpl +
	+print
	!text "128K",$8D
	+printed
	beq +++
+	cmp #64
	bcc +
	+print
	!text "64K",$8D
	+printed
	beq +++
+	+print
	!text "48K",$8D
	+printed
+++
	lda MACHINE
	bne .known
	;; MACHINE=0 - unknown machine
	+prerr $0001 ;; E0001: The machine identification routines from http://www.1000bit.it/support/manuali/apple/technotes/misc/tn.misc.02.html failed to identify the model.
	!text "UNABLE TO IDENTIFY"
	+prerred
	jmp end
.known
	cmp #IIeCard
	bcc .leiic
	bne .gs
;IIeCard
	+print
	!text "IIE EMULATION CARD"
	+printed
	beq .notsupported
.gs	;PLUGH
	+print
	!text "APPLE IIGS"
	+printed
.notsupported
	+prerr $0002 ;; E0002: The current version of the audit program doesn't support the identified machine.
	!text " NOT SUPPORTED"
	+prerred
	jmp end
.leiic
	cmp #IIe
	bcc .leiii
	beq .iie
;IIc
	+print
	!text "IIC"
	+printed
	beq .notsupported
.iie
	+print
	!text "APPLE IIE"
	+printed
	lda ROMLEVEL
	cmp #1
	beq +
	+print
	!text " (ENHANCED)"
	+printed
+	lda #$8D
	jsr COUT

;;; Error out if RAMRD or RAMWRT are set.
	lda $C013
	ora $C014
	bmi +
	jsr COPYTOAUX
	jmp .done

+	+prerr $0003 ;; E0003: Soft-switched for either RAMRD or RAMWRT read as set, which means we're either reading from, or writing to, auxiliary RAM. Please press RESET and run the test again to start in a known-good state.
	!text "RAMRD OR RAMWRT SET:RESET AND RERUN"
	+prerred
	jmp end
.leiii
	cmp #IIplus
	bcc .iiplain
	beq .iiplus
;iiiem
	+print
	!text "APPLE III IN EMULATION MODE"
	+printed
	beq .notsupported
.iiplain
	+print
	!text "PLAIN APPLE II",$8D
	+printed
	beq .done
.iiplus
	+print
	!text "APPLE II PLUS",$8D
	+printed
.done
	} ;detect