diff --git a/mandel.s b/mandel.s
index a97d6e3..cad4e5e 100644
--- a/mandel.s
+++ b/mandel.s
@@ -126,10 +126,6 @@ KEY_7     = 51
 KEY_8     = 53
 KEY_9     = 48
 KEY_0     = 50
-KEY_PERIOD = 34
-KEY_E     = 42
-KEY_X     = 22
-KEY_Y     = 43
 
 .struct float48
     exponent .byte
@@ -407,13 +403,6 @@ elapsed_work:
 elapsed_digit:
     .byte 0
 
-input_col:
-    .byte 0
-input_row:
-    .byte 0
-input_max:
-    .byte 0
-
 ; 2 + 9 * byte cycles
 .macro add bytes, dest, arg1, arg2
     clc ; 2 cyc
@@ -994,17 +983,6 @@ common:
 
 .endproc
 
-; rounds to 16-bit first!
-; input in FR0, 32 bits signed 6.26 fixed
-; output in FR0, Atari float
-; clobbers a, x, y, FR0, FR1
-.proc fixed6_26_to_float
-    shift_round_16 FR0, 3
-    copy16 FR0, FR0 + 2
-    jsr fixed3_13_to_float
-    rts
-.endproc
-
 ; input in FR0, Atari float
 ; output in FR0, 16 bits signed 3.13 fixed
 ; clobbers a, x, y, FR0, FR1
@@ -1625,7 +1603,7 @@ number_keys:
     beq five
     cpy #KEY_6
     beq six
-    jmp letter_keys
+    jmp skip_char
 
 one:
     ldx #0
@@ -1644,21 +1622,7 @@ five:
     jmp load_key_viewport
 six:
     ldx #5
-    jmp load_key_viewport
-
-letter_keys:
-    cpy #KEY_X
-    bne not_x
-    jsr input_x
-    jmp load_key_viewport
-not_x:
-    cpy #KEY_Y
-    bne not_y
-    jsr input_y
-    jmp load_key_viewport
-not_y:
-    jmp skip_char
-
+    ; fall through
 load_key_viewport:
     jsr load_viewport
     ; fall through
@@ -1668,23 +1632,6 @@ done:
 
 .endproc
 
-.proc input_x
-    ldx #col_x
-    ldy #1
-    jsr input_number
-
-
-    rts
-.endproc
-
-.proc input_y
-    rts
-.endproc
-
-.proc input_number
-    rts
-.endproc
-
 .proc clear_screen
     ; zero the range from framebuffer_top to display_list
     lda #.lobyte(framebuffer_top)
@@ -1732,7 +1679,9 @@ zero_byte_loop:
     draw_string_const str_x
 
     copy32 FR0, ox
-    jsr fixed6_26_to_float
+    shift_round_16 FR0, 3
+    copy16 FR0, FR0 + 2
+    jsr fixed3_13_to_float
     jsr FASC
     jsr draw_string
 
@@ -1741,7 +1690,9 @@ zero_byte_loop:
     draw_string_const str_y
 
     copy32 FR0, oy
-    jsr fixed6_26_to_float
+    shift_round_16 FR0, 3
+    copy16 FR0, FR0 + 2
+    jsr fixed3_13_to_float
     jsr FASC
     jsr draw_string