diff --git a/src/aliases/,aliases_hardware_arnitech.s b/src/aliases/,aliases_hardware_arnitech.s
index 4013b724..820e2e30 100644
--- a/src/aliases/,aliases_hardware_arnitech.s
+++ b/src/aliases/,aliases_hardware_arnitech.s
@@ -36,6 +36,28 @@
 
 !ifdef CONFIG_ARNITECH_BLADE {
 
+	; The Terminal Card, a Blade's screen and keyboard (arnitech's ADR 0031): its type in the Slot
+	; table, and its registers indexed by its Card window's low byte, as ARNI_FINDCARD gives it in X
+
+	!set   TERMINAL_CARD_TYPE   = $04
+
+	!addr TERMINAL_OUTPUT      = $DE00  ; a PETSCII byte, printed as the screen editor prints it
+	!addr TERMINAL_LITERAL     = $DE01  ; a byte drawn as its glyph, for quote and insert mode
+	!addr TERMINAL_STATUS      = $DE02
+	!addr TERMINAL_KEY         = $DE03  ; the next key; a read takes it, $00 if none
+	!addr TERMINAL_COMMAND     = $DE04
+	!addr TERMINAL_LINE        = $DE05  ; the taken line's next byte, RETURN at its end
+	!addr TERMINAL_COLUMN      = $DE06
+	!addr TERMINAL_ROW         = $DE07
+
+	!set   TERMINAL_KEY_WAITING = %00000001  ; status bits
+	!set   TERMINAL_STOP_HELD   = %00000010
+	!set   TERMINAL_INSERTED    = %00001000  ; the last byte was an INS that opened a space
+
+	!set   TERMINAL_TAKE_LINE   = $01  ; commands
+	!set   TERMINAL_RESET       = $02
+	!set   TERMINAL_INPUT_START = $03
+
 	; The 65816's native-mode vectors, which a Blade reads from the RAM under the KERNAL (ADR 0029)
 
 	!addr NATIVE_VECTORS       = $FFE4  ; COP, BRK, ABORT, NMI, reserved, IRQ
diff --git a/src/kernal/arnitech/arnitech_terminal.s b/src/kernal/arnitech/arnitech_terminal.s
new file mode 100644
index 00000000..3bcbebc7
--- /dev/null
+++ b/src/kernal/arnitech/arnitech_terminal.s
@@ -0,0 +1,256 @@
+;; #LAYOUT# STD *        #TAKE
+;; #LAYOUT# *   *        #IGNORE
+
+;
+; The Terminal Card driver of the Blade Firmware (mc64blade only, arnitech's ADR 0030 and 0031)
+;
+; A Blade has no VIC-II and no keyboard: its screen and keyboard, devices 3 and 0, are the
+; Terminal Card, which holds the 80x25 screen and the screen editor itself. CHROUT writes each
+; byte to it, as a glyph while quote or insert mode is on; CHRIN echoes the keys typed and, on
+; RETURN, reads back the logical line under the cursor; the IRQ moves its keys into the keyboard
+; buffer and its RUN/STOP into STKEY. Quote and insert mode stay the KERNAL's, in QTSW and INSRT,
+; as the Card cannot see them. With no Terminal Card, bytes printed go nowhere and no key comes.
+;
+
+!ifdef CONFIG_ARNITECH_BLADE {
+
+;
+; Finds the Terminal Card. Out: carry clear and X = its Card window's low byte, carry set if
+; there is none. A is not kept, Y is.
+;
+
+terminal_find:
+
+	lda #TERMINAL_CARD_TYPE
+	jmp arnitech_find_card
+
+;
+; CHROUT for device 3. SCHAR holds the byte; CHROUT has saved X, Y, and P.
+;
+; Outside quote and insert mode the byte goes to Output. While either is on, every control code
+; but RETURN, SHIFT+RETURN, and STOP goes to Literal, which draws it as a glyph; so does DEL
+; while INSRT is not 0, which a DEL between quotes leaves to delete. RETURN, SHIFT+RETURN, and
+; STOP end both modes. A glyph drawn counts INSRT down, a quote toggles QTSW, and an INS that
+; opened a space (status bit 3) counts INSRT up.
+;
+
+chrout_terminal:
+
+	jsr terminal_find
+	bcs chrout_terminal_done           ; no Terminal Card: the byte goes nowhere
+
+	lda SCHAR
+	and #$60
+	beq chrout_terminal_control        ; $00-$1F and $80-$9F are control codes
+
+	lda SCHAR
+	sta TERMINAL_OUTPUT, x
+
+	; FALLTROUGH
+
+chrout_terminal_glyph:
+
+	lda INSRT
+	beq @1
+	dec INSRT
+@1:
+	lda SCHAR
+	cmp #$22
+	bne chrout_terminal_done
+	lda QTSW
+	eor #$80
+	sta QTSW
+
+	; FALLTROUGH
+
+chrout_terminal_done:
+
+	jmp chrout_done_success
+
+chrout_terminal_control:
+
+	lda SCHAR
+	cmp #KEY_RETURN
+	beq chrout_terminal_end_modes
+	cmp #KEY_SHIFT_RETURN
+	beq chrout_terminal_end_modes
+	cmp #KEY_STOP
+	beq chrout_terminal_end_modes
+
+	ldy INSRT
+	bne chrout_terminal_literal        ; in the spaces INS opened, DEL too is a glyph
+	ldy QTSW
+	beq chrout_terminal_code
+	cmp #KEY_DEL
+	beq chrout_terminal_code           ; between quotes DEL still deletes
+
+	; FALLTROUGH
+
+chrout_terminal_literal:
+
+	sta TERMINAL_LITERAL, x
+	jmp chrout_terminal_glyph
+
+chrout_terminal_code:
+
+	sta TERMINAL_OUTPUT, x
+	cmp #KEY_INS
+	bne chrout_terminal_done
+	lda TERMINAL_STATUS, x
+	and #TERMINAL_INSERTED
+	beq chrout_terminal_done
+	inc INSRT
+	bne chrout_terminal_done           ; branch always
+
+chrout_terminal_end_modes:
+
+	sta TERMINAL_OUTPUT, x
+	lda #$00
+	sta QTSW
+	sta INSRT
+	beq chrout_terminal_done           ; branch always
+
+;
+; CHRIN for device 0, the keyboard. X and Y are kept.
+;
+; The first call marks where input starts on the Terminal, echoes each key typed through CHROUT,
+; and on RETURN has the Card take the logical line under the cursor; it and the calls after
+; return the line's bytes, then RETURN, which ends it.
+;
+
+chrin_terminal:
+
+	stx XSAV
+	+phy_trash_a
+
+	lda CRSW
+	bne chrin_terminal_next            ; a line is being returned
+
+	jsr terminal_find
+	bcs chrin_terminal_wait
+	lda #TERMINAL_INPUT_START
+	sta TERMINAL_COMMAND, x
+
+chrin_terminal_wait:
+
+	lda NDX
+	beq chrin_terminal_wait
+	jsr get_from_keyboard_buffer
+	cmp #KEY_RETURN
+	beq chrin_terminal_take
+	jsr JCHROUT                        ; the Terminal Card edits
+	jmp chrin_terminal_wait
+
+chrin_terminal_take:
+
+	jsr terminal_find
+	bcs chrin_terminal_end             ; the Card is gone: an empty line
+	lda #TERMINAL_TAKE_LINE
+	sta TERMINAL_COMMAND, x
+	inc CRSW
+
+chrin_terminal_next:
+
+	jsr terminal_find
+	bcs chrin_terminal_end
+	lda TERMINAL_LINE, x
+	cmp #KEY_RETURN
+	bne chrin_terminal_return
+
+	; FALLTROUGH
+
+chrin_terminal_end:
+
+	lda #$00
+	sta CRSW
+	sta QTSW
+	sta INSRT
+	lda #KEY_RETURN
+
+	; FALLTROUGH
+
+chrin_terminal_return:
+
+	tax
+	+ply_trash_a
+	txa
+	ldx XSAV
+	clc
+	rts
+
+;
+; SCNKEY: moves the Terminal Card's keys into the keyboard buffer, while it has room; the rest
+; wait in the Card.
+;
+
+SCNKEY:
+
+	jsr terminal_find
+	bcs @2
+@1:
+	lda TERMINAL_STATUS, x
+	lsr                                ; bit 0, a key waiting, into carry
+	bcc @2
+	ldy NDX
+	cpy XMAX
+	bcs @2
+	lda TERMINAL_KEY, x
+	sta KEYD, y
+	inc NDX
+	bne @1                             ; branch always
+@2:
+	rts
+
+;
+; The part of UDTIM that reads the STOP key: STKEY is $7F while the Terminal Card's RUN/STOP is
+; held, $FF otherwise. Y is kept.
+;
+
+udtim_terminal_stop:
+
+	jsr terminal_find
+	lda #$00                           ; no Terminal Card, no RUN/STOP
+	bcs @1
+	lda TERMINAL_STATUS, x
+@1:
+	and #TERMINAL_STOP_HELD
+	lsr
+	lsr                                ; held into carry
+	ror                                ; ... and into bit 7
+	eor #$FF
+	sta STKEY
+	rts
+
+;
+; SCREEN: the Terminal's 80 columns in X and 25 rows in Y.
+;
+
+SCREEN:
+
+	ldx #80
+	ldy #25
+	rts
+
+;
+; CINT's work on a Blade: the keyboard and the screen as the input and output devices (as
+; vicii_init does on a C64), the keyboard buffer's size, a reset of the Terminal and of quote and
+; insert mode, the native-mode vectors, and CIA1's timer A for the jiffy IRQ.
+;
+
+cint_terminal:
+
+	jsr clrchn_reset
+	ldx #10
+	stx XMAX
+	lda #$00
+	sta CRSW
+	sta QTSW
+	sta INSRT
+	jsr terminal_find
+	bcs @1
+	lda #TERMINAL_RESET
+	sta TERMINAL_COMMAND, x
+@1:
+	jsr native_vectors_init
+	jmp setup_pal_ntsc
+}
diff --git a/src/kernal/init/cint_screen_keyboard.s b/src/kernal/init/cint_screen_keyboard.s
index b85557ae..b3fb1566 100644
--- a/src/kernal/init/cint_screen_keyboard.s
+++ b/src/kernal/init/cint_screen_keyboard.s
@@ -2,6 +2,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; This is a part CINT which initializes screen and keyboard
 ;
@@ -49,3 +52,5 @@ cint_screen_keyboard:
 	; Fallthrough/jump to screen clear routine (Computes Mapping the 64 p215)
 
 	jmp clear_screen
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/init/e518.cint_legacy.s b/src/kernal/init/e518.cint_legacy.s
index b986e07b..9c3054b4 100644
--- a/src/kernal/init/e518.cint_legacy.s
+++ b/src/kernal/init/e518.cint_legacy.s
@@ -2,6 +2,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Part of the official Kernal routine, described in:
 ;
@@ -37,3 +40,5 @@ cint_legacy_end:
 	; Game 'Operacja Proboszcz' is one example.
 
 	jmp cint_screen_keyboard ; XXX try to fit the code here
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/init/e5a0.vicii_init.s b/src/kernal/init/e5a0.vicii_init.s
index 60537743..daa3fb52 100644
--- a/src/kernal/init/e5a0.vicii_init.s
+++ b/src/kernal/init/e5a0.vicii_init.s
@@ -5,6 +5,9 @@
 ;; #LAYOUT# X16 *        #IGNORE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, which has no VIC-II
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Well-known Kernal routine, described in:
 ;
@@ -28,3 +31,5 @@ vicii_init:
 	jmp vicii_init_registers
 
 } ; ROM layout
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/init/ff5b.cint.s b/src/kernal/init/ff5b.cint.s
index 47f7eee9..cd1704de 100644
--- a/src/kernal/init/ff5b.cint.s
+++ b/src/kernal/init/ff5b.cint.s
@@ -13,5 +13,9 @@
 
 CINT:
 
+!ifndef CONFIG_ARNITECH_BLADE {
 	jsr cint_legacy
 	jmp setup_pal_ntsc
+} else {
+	jmp cint_terminal
+}
diff --git a/src/kernal/init/vicii_init_registers.s b/src/kernal/init/vicii_init_registers.s
index 4921ee01..0ca427fb 100644
--- a/src/kernal/init/vicii_init_registers.s
+++ b/src/kernal/init/vicii_init_registers.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# M65 KERNAL_1 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, which has no VIC-II
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; The VIC-II set-up of vicii_init (e5a0.vicii_init.s), moved out of $E5A0-$E5C8
 ; so that $E5B4 is free
@@ -50,3 +53,4 @@ vicii_init_registers:
 	jmp CLRCHN
 }
 
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/interrupts/ea31.default_irq_handler.s b/src/kernal/interrupts/ea31.default_irq_handler.s
index 05784c7f..6d8a87ef 100644
--- a/src/kernal/interrupts/ea31.default_irq_handler.s
+++ b/src/kernal/interrupts/ea31.default_irq_handler.s
@@ -47,7 +47,9 @@ default_irq_handler_common:
 
 } else {
 
+!ifndef CONFIG_ARNITECH_BLADE {
 	jsr cursor_blink
+}
 	jsr JSCNKEY
 	jsr JUDTIM ; update jiffy clock
 }
diff --git a/src/kernal/iostack/e50a.plot.s b/src/kernal/iostack/e50a.plot.s
index d060398e..ec8a4a60 100644
--- a/src/kernal/iostack/e50a.plot.s
+++ b/src/kernal/iostack/e50a.plot.s
@@ -26,12 +26,39 @@ plot_set:
 	sty PNTR
 	stx TBLX
 
+!ifndef CONFIG_ARNITECH_BLADE {
+
 	jsr screen_calculate_pointers
 
+} else {
+
+	; On a Blade the cursor is the Terminal Card's, which clamps it to the 80x25 screen;
+	; PNTR and TBLX keep the last place set or read, which is all there is without a Card
+
+	jsr terminal_find
+	bcs plot_get_kept
+	lda PNTR
+	sta TERMINAL_COLUMN, x
+	lda TBLX
+	sta TERMINAL_ROW, x
+}
+
 	; FALLTROUGH to save one byte on RTS
 
 plot_get:
 
+!ifdef CONFIG_ARNITECH_BLADE {
+
+	jsr terminal_find
+	bcs plot_get_kept
+	lda TERMINAL_COLUMN, x
+	sta PNTR
+	lda TERMINAL_ROW, x
+	sta TBLX
+
+plot_get_kept:
+}
+
 	ldy PNTR
 	ldx TBLX
 	rts
diff --git a/src/kernal/iostack/f157.chrin.s b/src/kernal/iostack/f157.chrin.s
index 018decc0..f57a14ca 100644
--- a/src/kernal/iostack/f157.chrin.s
+++ b/src/kernal/iostack/f157.chrin.s
@@ -22,7 +22,11 @@ CHRIN:
 	lda DFLTN
 
 	; Try $00 - keyboard
+!ifndef CONFIG_ARNITECH_BLADE {
 	+beq chrin_keyboard
+} else {
+	+beq chrin_terminal
+}
 
 	; XXX Try $03 - screen
 	; cmp #$03
diff --git a/src/kernal/iostack/f1ca.chrout.s b/src/kernal/iostack/f1ca.chrout.s
index a9685588..84c62e4e 100644
--- a/src/kernal/iostack/f1ca.chrout.s
+++ b/src/kernal/iostack/f1ca.chrout.s
@@ -30,7 +30,11 @@ CHROUT:
 	lda DFLTO
 
 	cmp #$03 ; screen
+!ifndef CONFIG_ARNITECH_BLADE {
 	+beq chrout_screen
+} else {
+	+beq chrout_terminal
+}
 
 !ifdef HAS_RS232 {
 	cmp #$02 
diff --git a/src/kernal/keyboard/eb48.scnkey_set_keytab.s b/src/kernal/keyboard/eb48.scnkey_set_keytab.s
index f81723d1..411b11c5 100644
--- a/src/kernal/keyboard/eb48.scnkey_set_keytab.s
+++ b/src/kernal/keyboard/eb48.scnkey_set_keytab.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, which has no keyboard matrix: its keys come from the Terminal Card (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Well-known Kernal routine, described in:
 ;
@@ -96,4 +99,6 @@ scnkey_toggle_if_needed: ; entry for SCNKEY (TWW/CTR version)
 	sta VIC_YMCSB
 @1:
 	rts
-}
\ No newline at end of file
+}
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/keyboard/kb_matrix.s b/src/kernal/keyboard/kb_matrix.s
index 2405b202..eb7df4cd 100644
--- a/src/kernal/keyboard/kb_matrix.s
+++ b/src/kernal/keyboard/kb_matrix.s
@@ -4,6 +4,9 @@
 ;; #LAYOUT# M65 KERNAL_C #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, which has no keyboard matrix: its keys come from the Terminal Card (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Keyboard matrix, based on
 ;
@@ -93,3 +96,5 @@ __kb_matrix_ctrl:
 	!byte $90,$06,$00,$05,$00,$00,$11,$00
 	!byte $00,$00,$00,$84,$00,$00,$00,$1B
 }
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/keyboard/kb_matrix_128.s b/src/kernal/keyboard/kb_matrix_128.s
index 6e2fc8ef..ed0cd058 100644
--- a/src/kernal/keyboard/kb_matrix_128.s
+++ b/src/kernal/keyboard/kb_matrix_128.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, which has no keyboard matrix: its keys come from the Terminal Card (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Extended keyboard matrix for Commodore 128 keyboards, based on
 ;
@@ -29,3 +32,5 @@ kb_matrix_128_bucky_filter:
 	!byte %00000000 
 	!byte %10000001 ; ALT, NO_SCRL
 }
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/keyboard/kb_matrix_alwaysrepeat.s b/src/kernal/keyboard/kb_matrix_alwaysrepeat.s
index 42ee5395..6570f93d 100644
--- a/src/kernal/keyboard/kb_matrix_alwaysrepeat.s
+++ b/src/kernal/keyboard/kb_matrix_alwaysrepeat.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, which has no keyboard matrix: its keys come from the Terminal Card (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Matrix ids of keys which should be repeated regardless of RPTFLG
 ;
@@ -25,3 +28,5 @@ __kb_matrix_alwaysrepeat_end:
 
 
 }
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/keyboard/kb_matrix_bucky.s b/src/kernal/keyboard/kb_matrix_bucky.s
index eaf33854..a5c861e3 100644
--- a/src/kernal/keyboard/kb_matrix_bucky.s
+++ b/src/kernal/keyboard/kb_matrix_bucky.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, which has no keyboard matrix: its keys come from the Terminal Card (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Matrix for retrieving bucky key status on the C64 keyboard
 ;
@@ -63,3 +66,5 @@ kb_matrix_bucky_shflag: ; mask to be ORed to SHFLAG to mark key status
 	!byte KEY_FLAG_ALT
 	!byte KEY_FLAG_NO_SCRL
 }
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/keyboard/kb_matrix_bucky_filter.s b/src/kernal/keyboard/kb_matrix_bucky_filter.s
index bb4ba735..2fce38fb 100644
--- a/src/kernal/keyboard/kb_matrix_bucky_filter.s
+++ b/src/kernal/keyboard/kb_matrix_bucky_filter.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, which has no keyboard matrix: its keys come from the Terminal Card (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Matrix for filtering out bucky keys while scanning the C64 keyboard
 ;
@@ -23,3 +26,5 @@ kb_matrix_bucky_filter:
 	!byte %00000000
 	!byte %00010000 ; SHIFT (right)
 	!byte %00100100 ; VENDOR + CONTROL
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/keyboard/kb_matrix_joy.s b/src/kernal/keyboard/kb_matrix_joy.s
index af17b875..3f99191c 100644
--- a/src/kernal/keyboard/kb_matrix_joy.s
+++ b/src/kernal/keyboard/kb_matrix_joy.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, which has no keyboard matrix: its keys come from the Terminal Card (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Matrix for retrieving C64 joystick status and inject is as keyboard event
 ;
@@ -40,3 +43,5 @@ kb_matrix_joy_keytab_hi:
 	!byte >__kb_matrix_normal      ; right
 
 }
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/keyboard/kb_matrix_lookup.s b/src/kernal/keyboard/kb_matrix_lookup.s
index 0840f6fa..46de3f94 100644
--- a/src/kernal/keyboard/kb_matrix_lookup.s
+++ b/src/kernal/keyboard/kb_matrix_lookup.s
@@ -4,6 +4,9 @@
 ;; #LAYOUT# M65 KERNAL_C #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, which has no keyboard matrix: its keys come from the Terminal Card (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Helper table for determining keyboard matrix decoding table on the C64 keyboard
 ;
@@ -49,3 +52,5 @@ kb_matrix_lookup:
 	!word $0000                             ; %1.110 VENDOR+CTRL
 	!word $0000                             ; %1.111 SHIFT+VENDOR+CTRL
 }
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/keyboard/kb_matrix_row_keys.s b/src/kernal/keyboard/kb_matrix_row_keys.s
index a550b83a..7231ed04 100644
--- a/src/kernal/keyboard/kb_matrix_row_keys.s
+++ b/src/kernal/keyboard/kb_matrix_row_keys.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, which has no keyboard matrix: its keys come from the Terminal Card (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Single row key codes for scanning the C64 keyboard
 ;
@@ -25,3 +28,5 @@ kb_matrix_row_keys:
 	!byte %11011111
 	!byte %10111111
 	!byte %01111111
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/keyboard/kb_matrix_row_offsets.s b/src/kernal/keyboard/kb_matrix_row_offsets.s
index 39192b58..6af05dd0 100644
--- a/src/kernal/keyboard/kb_matrix_row_offsets.s
+++ b/src/kernal/keyboard/kb_matrix_row_offsets.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, which has no keyboard matrix: its keys come from the Terminal Card (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Helper values to quickly determine row offset from the start of keyboard matrix
 ;
@@ -20,3 +23,5 @@ kb_matrix_row_offsets:
 	!byte 5*8
 	!byte 6*8
 	!byte 7*8
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/keyboard/keyboard_disconnect.s b/src/kernal/keyboard/keyboard_disconnect.s
index b3b140ef..87658472 100644
--- a/src/kernal/keyboard/keyboard_disconnect.s
+++ b/src/kernal/keyboard/keyboard_disconnect.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, which has no keyboard matrix: its keys come from the Terminal Card (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Helper routine - disconnects the keyboard from CIA1_PRB,
 ; leaves $FF in .X (behavior needed in some places)
@@ -18,3 +21,5 @@ keyboard_disconnect:
 }
 
 	rts
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/keyboard/scnkey.s b/src/kernal/keyboard/scnkey.s
index 677c4726..5032c10c 100644
--- a/src/kernal/keyboard/scnkey.s
+++ b/src/kernal/keyboard/scnkey.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, which has no keyboard matrix: its keys come from the Terminal Card (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Official Kernal routine, described in:
 ;
@@ -431,3 +434,5 @@ scnkey_buffer_full:
 	sta KOUNT
 
 	rts
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/keyboard/scnkey_128.s b/src/kernal/keyboard/scnkey_128.s
index f2bcf90b..02807692 100644
--- a/src/kernal/keyboard/scnkey_128.s
+++ b/src/kernal/keyboard/scnkey_128.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, which has no keyboard matrix: its keys come from the Terminal Card (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Keyboard scanning routine extension for C128 keyboards
 ;
@@ -67,3 +70,5 @@ scnkey_128_no_keys:
 
 	jmp scnkey_no_keys             ; pass controll to original routine
 }
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/keyboard/scnkey_via_keylog.s b/src/kernal/keyboard/scnkey_via_keylog.s
index 3b141824..b6698f0e 100644
--- a/src/kernal/keyboard/scnkey_via_keylog.s
+++ b/src/kernal/keyboard/scnkey_via_keylog.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, which has no keyboard matrix: its keys come from the Terminal Card (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ; Short helper jump-via-vector routine, to set the keyboard matrix
 
 !ifndef HAS_OPCODES_65CE02 {
@@ -11,3 +14,5 @@ scnkey_via_keylog:
 
 	jmp (KEYLOG)
 }
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/chrin_keyboard.s b/src/kernal/screen/chrin_keyboard.s
index 752a281a..3f392f08 100644
--- a/src/kernal/screen/chrin_keyboard.s
+++ b/src/kernal/screen/chrin_keyboard.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Keyboard part of the CHRIN routine
 ;
@@ -167,3 +170,5 @@ chrkn_keyboard_not_enter:
 	jsr CHROUT
 	jsr pop_keyboard_buffer
 	+bra chrin_keyboard_read
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/chrin_programmable_keys.s b/src/kernal/screen/chrin_programmable_keys.s
index 05b55ba1..4a8aff49 100644
--- a/src/kernal/screen/chrin_programmable_keys.s
+++ b/src/kernal/screen/chrin_programmable_keys.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Keyboard part of the CHRIN routine - programmable keys support
 ; Output: if Carry clear, programmable key was handled
@@ -50,3 +53,5 @@ chrin_programmable_keys:
 	rts
 
 } ; CONFIG_PROGRAMMABLE_KEYS
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/chrout_screen.s b/src/kernal/screen/chrout_screen.s
index 8aae371a..c0eb779f 100644
--- a/src/kernal/screen/chrout_screen.s
+++ b/src/kernal/screen/chrout_screen.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; CHROUT routine - screen support (character output)
 ;
@@ -99,3 +102,5 @@ chrout_screen_done:
 
 	jsr cursor_show_if_enabled
 	jmp chrout_done_success
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/chrout_screen_clr.s b/src/kernal/screen/chrout_screen_clr.s
index 21c15f7a..990e1aa5 100644
--- a/src/kernal/screen/chrout_screen_clr.s
+++ b/src/kernal/screen/chrout_screen_clr.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; CLR key handling within CHROUT
 ;
@@ -12,3 +15,5 @@ chrout_screen_CLR:
 
 	jsr clear_screen
 	jmp chrout_screen_calc_lptr_done
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/chrout_screen_control.s b/src/kernal/screen/chrout_screen_control.s
index 10355eb2..feb3f0cf 100644
--- a/src/kernal/screen/chrout_screen_control.s
+++ b/src/kernal/screen/chrout_screen_control.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; CHROUT routine - screen support, control codes
 ;
@@ -70,3 +73,5 @@ chrout_try_color_loop:
 
 	; Unknown code, or key not requiring any handling
 	jmp chrout_screen_done
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/chrout_screen_crsr.s b/src/kernal/screen/chrout_screen_crsr.s
index b9ae5308..aa4d72e2 100644
--- a/src/kernal/screen/chrout_screen_crsr.s
+++ b/src/kernal/screen/chrout_screen_crsr.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Cursor keys handling within CHROUT
 ;
@@ -61,3 +64,5 @@ chrout_screen_CRSR_LEFT:
 	lda #39
 	sta PNTR
 	bne chrout_screen_CRSR_done        ; branch always
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/chrout_screen_del.s b/src/kernal/screen/chrout_screen_del.s
index 0ca97edf..d41c13b1 100644
--- a/src/kernal/screen/chrout_screen_del.s
+++ b/src/kernal/screen/chrout_screen_del.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; CHROUT routine - screen support, DEL key handling
 ;
@@ -120,3 +123,5 @@ chrout_screen_del_column_0:
 
 	; Finish with recalculating all the variables
 	bne chrout_screen_del_done
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/chrout_screen_gfxtxt.s b/src/kernal/screen/chrout_screen_gfxtxt.s
index 37cfbf4e..2c324d60 100644
--- a/src/kernal/screen/chrout_screen_gfxtxt.s
+++ b/src/kernal/screen/chrout_screen_gfxtxt.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; GFX/TXT mode switch handling within CHROUT
 ;
@@ -25,3 +28,5 @@ chrout_screen_TXT:
 	lda VIC_YMCSB
 	ora #$02                           ; to lower case
 	bne chrout_screen_GFX_TXT_end      ; branch always
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/chrout_screen_home.s b/src/kernal/screen/chrout_screen_home.s
index bd2a6712..1e544ce2 100644
--- a/src/kernal/screen/chrout_screen_home.s
+++ b/src/kernal/screen/chrout_screen_home.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; HOME key handling within CHROUT
 ;
@@ -12,3 +15,5 @@ chrout_screen_HOME:
 
 	jsr cursor_home
 	jmp chrout_screen_calc_lptr_done
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/chrout_screen_ins.s b/src/kernal/screen/chrout_screen_ins.s
index 96c5ba4d..24728a89 100644
--- a/src/kernal/screen/chrout_screen_ins.s
+++ b/src/kernal/screen/chrout_screen_ins.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; CHROUT routine - screen support, INS key handling
 ;
@@ -95,3 +98,5 @@ chrout_screen_ins_copy_loop:
 
 	; Return from loop
 	rts
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/chrout_screen_jumptable_codes.s b/src/kernal/screen/chrout_screen_jumptable_codes.s
index e408e7ea..12d0021e 100644
--- a/src/kernal/screen/chrout_screen_jumptable_codes.s
+++ b/src/kernal/screen/chrout_screen_jumptable_codes.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Jumptable for screen control codes support. To improve performance, should be sorted
 ; starting from the least probable routine.
@@ -111,3 +114,5 @@ chrout_screen_jumptable:
 	!word chrout_screen_RETURN
 	!word chrout_screen_RETURN
 }
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/chrout_screen_quote.s b/src/kernal/screen/chrout_screen_quote.s
index 084c639d..1f828b61 100644
--- a/src/kernal/screen/chrout_screen_quote.s
+++ b/src/kernal/screen/chrout_screen_quote.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; CHROUT routine - screen support, control codes in quote mode
 ;
@@ -22,3 +25,5 @@ chrout_screen_quote:
 	adc #$BF    ; C=1, so adding $BF + C = add $C0
 @1:	
 	jmp chrout_screen_literal
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/chrout_screen_return.s b/src/kernal/screen/chrout_screen_return.s
index ec9b2c57..5e86f476 100644
--- a/src/kernal/screen/chrout_screen_return.s
+++ b/src/kernal/screen/chrout_screen_return.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; RETURN key handling within CHROUT
 ;
@@ -31,3 +34,5 @@ chrout_screen_RETURN:
 	jsr screen_calculate_PNT_USER
 @1:
 	jmp screen_advance_to_next_line
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/chrout_screen_rvs.s b/src/kernal/screen/chrout_screen_rvs.s
index fed019ec..9cbbf8a3 100644
--- a/src/kernal/screen/chrout_screen_rvs.s
+++ b/src/kernal/screen/chrout_screen_rvs.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; RVS ON/OFF handling within CHROUT
 ;
@@ -21,3 +24,5 @@ chrout_screen_RVS_OFF:
 
 	sta RVS
 	jmp chrout_screen_done
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/chrout_screen_shift_onoff.s b/src/kernal/screen/chrout_screen_shift_onoff.s
index 0104f812..5e2c7e33 100644
--- a/src/kernal/screen/chrout_screen_shift_onoff.s
+++ b/src/kernal/screen/chrout_screen_shift_onoff.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; SHIFT ON/OFF handling within CHROUT
 ;
@@ -21,3 +24,5 @@ chrout_screen_SHIFT_OFF:
 
 	sta MODE
 	jmp chrout_screen_done
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/chrout_screen_stop.s b/src/kernal/screen/chrout_screen_stop.s
index 243db941..9702c332 100644
--- a/src/kernal/screen/chrout_screen_stop.s
+++ b/src/kernal/screen/chrout_screen_stop.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; STOP key handling within CHROUT
 ;
@@ -18,3 +21,5 @@ chrout_screen_STOP:
 	sta INSRT
 	jmp chrout_screen_done
 }
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/chrout_to_screen_code.s b/src/kernal/screen/chrout_to_screen_code.s
index 3c29d43c..c4641399 100644
--- a/src/kernal/screen/chrout_to_screen_code.s
+++ b/src/kernal/screen/chrout_to_screen_code.s
@@ -2,6 +2,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; CHROUT routine - convert PETSCII to screen code
 ;
@@ -50,3 +53,5 @@ chrout_to_screen_code:
 @done:
 
 	rts
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/cursor.s b/src/kernal/screen/cursor.s
index 3e19d327..68e0607e 100644
--- a/src/kernal/screen/cursor.s
+++ b/src/kernal/screen/cursor.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Variables used:
 ; - BLNSW (cursor blink switch)
@@ -101,3 +104,5 @@ cursor_timer_reset:
 cursor_blink_end:
 
 	rts
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/cursor_enable.s b/src/kernal/screen/cursor_enable.s
index 88c22c21..dfe3f725 100644
--- a/src/kernal/screen/cursor_enable.s
+++ b/src/kernal/screen/cursor_enable.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Variables used:
 ; - BLNSW (cursor blink switch)
@@ -15,3 +18,5 @@ cursor_enable:
 	sta BLNSW
 
 	rts
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/cursor_show.s b/src/kernal/screen/cursor_show.s
index 98a3c139..aa94e00e 100644
--- a/src/kernal/screen/cursor_show.s
+++ b/src/kernal/screen/cursor_show.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Variables used:
 ; - BLNSW (cursor blink switch)
@@ -35,3 +38,5 @@ cursor_show:
 cursor_show_done:
 
 	rts
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/e536.init_screen.s b/src/kernal/screen/e536.init_screen.s
index 0f52345c..1d32c324 100644
--- a/src/kernal/screen/e536.init_screen.s
+++ b/src/kernal/screen/e536.init_screen.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Init screen at reset
 ;
@@ -19,3 +22,5 @@ init_screen:
 
     sta $0286
     jmp clear_screen
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/e544.clear_screen.s b/src/kernal/screen/e544.clear_screen.s
index e5ed73fe..f9c988e7 100644
--- a/src/kernal/screen/e544.clear_screen.s
+++ b/src/kernal/screen/e544.clear_screen.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Clear screen and initialise line link table, described in:
 ;
@@ -39,3 +42,5 @@ clear_screen:
 
 	; Fall to cursor home routine
 	jmp cursor_home
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/e566.cursor_home.s b/src/kernal/screen/e566.cursor_home.s
index 2b08ef7b..3e4e1fc8 100644
--- a/src/kernal/screen/e566.cursor_home.s
+++ b/src/kernal/screen/e566.cursor_home.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Home the cursor, described in:
 ;
@@ -17,3 +20,5 @@ cursor_home:
 	sta TBLX                           ; current row
 
 	; FALLTROUGH to the next routine
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/e56c.screen_calculate_pointers.s b/src/kernal/screen/e56c.screen_calculate_pointers.s
index 2103d1fc..54a6e091 100644
--- a/src/kernal/screen/e56c.screen_calculate_pointers.s
+++ b/src/kernal/screen/e56c.screen_calculate_pointers.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Set pointer (PNT) to current screen line , described in:
 ;
@@ -23,3 +26,5 @@ screen_calculate_pointers:
 
 	jsr screen_calculate_PNT_USER
 	jmp screen_calculate_PNTR_LNMX
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/e8ea.screen_scroll_up.s b/src/kernal/screen/e8ea.screen_scroll_up.s
index b236e0cf..027e04cf 100644
--- a/src/kernal/screen/e8ea.screen_scroll_up.s
+++ b/src/kernal/screen/e8ea.screen_scroll_up.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Scroll the whole screen up by 1 logical line, described in:
 ;
@@ -130,3 +133,5 @@ screen_scroll_up_loop_done:
  	; Recalculate PNT and USER
 
 	jmp screen_calculate_PNT_USER
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/e9ff.screen_clear_line.s b/src/kernal/screen/e9ff.screen_clear_line.s
index b969e618..ad59aa3a 100644
--- a/src/kernal/screen/e9ff.screen_clear_line.s
+++ b/src/kernal/screen/e9ff.screen_clear_line.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Well-known routine, described in:
 ;
@@ -36,3 +39,5 @@ screen_clear_line:
 
 	; Done
 	rts
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/ea24.screen_calculate_user.s b/src/kernal/screen/ea24.screen_calculate_user.s
index 75f2d743..9352c88c 100644
--- a/src/kernal/screen/ea24.screen_calculate_user.s
+++ b/src/kernal/screen/ea24.screen_calculate_user.s
@@ -1,6 +1,9 @@
 ;; #LAYOUT# STD *        #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Well-known Kernal routine, described in:
 ;
@@ -22,3 +25,5 @@ screen_calculate_USER:
 	sta USER+1
 
 	rts
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/ecf0.screen_line_lo_bytes.s b/src/kernal/screen/ecf0.screen_line_lo_bytes.s
index 37d7b611..269e9d97 100644
--- a/src/kernal/screen/ecf0.screen_line_lo_bytes.s
+++ b/src/kernal/screen/ecf0.screen_line_lo_bytes.s
@@ -1,6 +1,9 @@
 ;; #LAYOUT# STD *        #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Well-known Kernal table, described in:
 ;
@@ -15,3 +18,5 @@ screen_line_lo_bytes:
 	!for line, 0, 24 {
 		!byte <(line * 40)
 	}
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/screen.s b/src/kernal/screen/screen.s
index c84cc23c..7cc53226 100644
--- a/src/kernal/screen/screen.s
+++ b/src/kernal/screen/screen.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Official Kernal routine, described in:
 ;
@@ -50,4 +53,6 @@ SCREEN:
 
 	pla
 	rts
-}
\ No newline at end of file
+}
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/screen_advance_to_next_line.s b/src/kernal/screen/screen_advance_to_next_line.s
index eb2e7c21..56d19352 100644
--- a/src/kernal/screen/screen_advance_to_next_line.s
+++ b/src/kernal/screen/screen_advance_to_next_line.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 
 screen_advance_to_next_line:
 
@@ -21,3 +24,5 @@ screen_advance_to_next_line:
 	sta PNTR
 
 	jmp chrout_screen_calc_lptr_done
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/screen_calculate_pnt_user.s b/src/kernal/screen/screen_calculate_pnt_user.s
index 59d8632d..cdbc5253 100644
--- a/src/kernal/screen/screen_calculate_pnt_user.s
+++ b/src/kernal/screen/screen_calculate_pnt_user.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Set pointers PNT and USER to current screen line
 ;
@@ -60,3 +63,5 @@ screen_calculate_USER:
 
 	rts
 }
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/screen_calculate_pntr_lnmx.s b/src/kernal/screen/screen_calculate_pntr_lnmx.s
index 3ed7ccae..41d934e9 100644
--- a/src/kernal/screen/screen_calculate_pntr_lnmx.s
+++ b/src/kernal/screen/screen_calculate_pntr_lnmx.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Sets PNTR in a proper range (0-39 or 40-79)
 ; Sets LNMX to 39 or 79
@@ -62,3 +65,5 @@ screen_calculate_lnmx_79:
 	lda #79
 	sta LNMX
 	rts
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/screen_check_space_ends_line.s b/src/kernal/screen/screen_check_space_ends_line.s
index b6ce85bb..607321d7 100644
--- a/src/kernal/screen/screen_check_space_ends_line.s
+++ b/src/kernal/screen/screen_check_space_ends_line.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 
 screen_check_space_ends_line:
 
@@ -12,3 +15,5 @@ screen_check_space_ends_line:
 	cmp #$20
 
 	rts
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/screen_check_toggle_quote.s b/src/kernal/screen/screen_check_toggle_quote.s
index 73899019..382fe5ba 100644
--- a/src/kernal/screen/screen_check_toggle_quote.s
+++ b/src/kernal/screen/screen_check_toggle_quote.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Helper routine - check character in .A, toggles quote flag if needed
 ;
@@ -19,3 +22,5 @@ screen_check_toggle_quote:
 	lda #$22                           ; restore previous .A valuee
 @1:
 	rts
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/screen_code_to_petscii.s b/src/kernal/screen/screen_code_to_petscii.s
index e72c63ac..18c78df9 100644
--- a/src/kernal/screen/screen_code_to_petscii.s
+++ b/src/kernal/screen/screen_code_to_petscii.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Screen code to PETSCII conversion - see:
 ;
@@ -70,3 +73,5 @@ s2p_adc_C0:
 
 	adc #$C0                           ; Carry already clear
 	rts
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/screen_get_cliped_pntr.s b/src/kernal/screen/screen_get_cliped_pntr.s
index 6839ecf1..5201095d 100644
--- a/src/kernal/screen/screen_get_cliped_pntr.s
+++ b/src/kernal/screen/screen_get_cliped_pntr.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Get PNTR value clipped to 0-39 range in .Y, sets flags to compare with 0, can trash .A
 ;
@@ -18,3 +21,5 @@ screen_get_clipped_PNTR:
 @1:
 	cpy #$00
 	rts
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/screen_get_logical_line_end_ptr.s b/src/kernal/screen/screen_get_logical_line_end_ptr.s
index 63ef357d..ab7e74d5 100644
--- a/src/kernal/screen/screen_get_logical_line_end_ptr.s
+++ b/src/kernal/screen/screen_get_logical_line_end_ptr.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 
 screen_get_logical_line_end_ptr:
 
@@ -27,3 +30,5 @@ screen_get_logical_line_end_39:
 
 	ldy #39
 	rts
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/screen_grow_logical_line.s b/src/kernal/screen/screen_grow_logical_line.s
index 72552579..2fcf9e06 100644
--- a/src/kernal/screen/screen_grow_logical_line.s
+++ b/src/kernal/screen/screen_grow_logical_line.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 
 screen_grow_logical_line_done_scroll:
 
@@ -142,3 +145,5 @@ screen_grow_logical_line_copy_done:
 	inx
 	jsr screen_clear_line
 	jmp screen_calculate_PNTR_LNMX
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/screen_off.s b/src/kernal/screen/screen_off.s
index 664bdb6f..ab02ccad 100644
--- a/src/kernal/screen/screen_off.s
+++ b/src/kernal/screen/screen_off.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Helper routine to blank screen
 ;
@@ -31,3 +34,5 @@ screen_off:
 
 	rts
 }
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/screen_on.s b/src/kernal/screen/screen_on.s
index f3409e5a..3c2c0da3 100644
--- a/src/kernal/screen/screen_on.s
+++ b/src/kernal/screen/screen_on.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 ;
 ; Helper routine to show screen
 ;
@@ -22,3 +25,5 @@ screen_on:
 
 	rts
 }
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/screen_preserve_sal_eal.s b/src/kernal/screen/screen_preserve_sal_eal.s
index 3f31ed29..580ea4ae 100644
--- a/src/kernal/screen/screen_preserve_sal_eal.s
+++ b/src/kernal/screen/screen_preserve_sal_eal.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 
 screen_preserve_sal_eal:
 
@@ -33,3 +36,5 @@ screen_common_sal_eal:
 	+phy_trash_a
 	+phx_trash_a
 	rts
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/screen/screen_restore_sal_eal.s b/src/kernal/screen/screen_restore_sal_eal.s
index 6e822740..cc162fc7 100644
--- a/src/kernal/screen/screen_restore_sal_eal.s
+++ b/src/kernal/screen/screen_restore_sal_eal.s
@@ -3,6 +3,9 @@
 ;; #LAYOUT# *   KERNAL_0 #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
+; Not on a Blade, whose Terminal Card holds the screen editor (src/kernal/arnitech)
+!ifndef CONFIG_ARNITECH_BLADE {
+
 
 screen_restore_sal_eal:
 
@@ -27,4 +30,6 @@ screen_restore_sal_eal:
  	sta SAL+0
 
  	jmp screen_common_sal_eal
- 
\ No newline at end of file
+ 
+
+} ; CONFIG_ARNITECH_BLADE
diff --git a/src/kernal/time/udtim.s b/src/kernal/time/udtim.s
index ec51e798..864a1772 100644
--- a/src/kernal/time/udtim.s
+++ b/src/kernal/time/udtim.s
@@ -63,6 +63,10 @@ udtim_keyboard:
 
 	+STUB_IMPLEMENTATION
 
+} else ifdef CONFIG_ARNITECH_BLADE {
+
+	jmp udtim_terminal_stop
+
 } else {
 
 	; According to [CM64], page 27, the action we have to perform is to copy