diff --git a/data/registers/lcd_v1.yaml b/data/registers/lcd_v1.yaml
index 007afb6..25292a4 100644
--- a/data/registers/lcd_v1.yaml
+++ b/data/registers/lcd_v1.yaml
@@ -22,35 +22,27 @@ block/LCD:
     - name: RAM_COM0
       description: display memory
       byte_offset: 20
-      fieldset: RAM_COM0
     - name: RAM_COM1
       description: display memory
       byte_offset: 28
-      fieldset: RAM_COM1
     - name: RAM_COM2
       description: display memory
       byte_offset: 36
-      fieldset: RAM_COM2
     - name: RAM_COM3
       description: display memory
       byte_offset: 44
-      fieldset: RAM_COM3
     - name: RAM_COM4
       description: display memory
       byte_offset: 52
-      fieldset: RAM_COM4
     - name: RAM_COM5
       description: display memory
       byte_offset: 60
-      fieldset: RAM_COM5
     - name: RAM_COM6
       description: display memory
       byte_offset: 68
-      fieldset: RAM_COM6
     - name: RAM_COM7
       description: display memory
       byte_offset: 76
-      fieldset: RAM_COM7
 fieldset/CLR:
   description: clear register
   fields:
@@ -132,1054 +124,6 @@ fieldset/FCR:
       description: PS 16-bit prescaler
       bit_offset: 22
       bit_size: 4
-fieldset/RAM_COM0:
-  description: display memory
-  fields:
-    - name: S00
-      description: S00
-      bit_offset: 0
-      bit_size: 1
-    - name: S01
-      description: S01
-      bit_offset: 1
-      bit_size: 1
-    - name: S02
-      description: S02
-      bit_offset: 2
-      bit_size: 1
-    - name: S03
-      description: S03
-      bit_offset: 3
-      bit_size: 1
-    - name: S04
-      description: S04
-      bit_offset: 4
-      bit_size: 1
-    - name: S05
-      description: S05
-      bit_offset: 5
-      bit_size: 1
-    - name: S06
-      description: S06
-      bit_offset: 6
-      bit_size: 1
-    - name: S07
-      description: S07
-      bit_offset: 7
-      bit_size: 1
-    - name: S08
-      description: S08
-      bit_offset: 8
-      bit_size: 1
-    - name: S09
-      description: S09
-      bit_offset: 9
-      bit_size: 1
-    - name: S10
-      description: S10
-      bit_offset: 10
-      bit_size: 1
-    - name: S11
-      description: S11
-      bit_offset: 11
-      bit_size: 1
-    - name: S12
-      description: S12
-      bit_offset: 12
-      bit_size: 1
-    - name: S13
-      description: S13
-      bit_offset: 13
-      bit_size: 1
-    - name: S14
-      description: S14
-      bit_offset: 14
-      bit_size: 1
-    - name: S15
-      description: S15
-      bit_offset: 15
-      bit_size: 1
-    - name: S16
-      description: S16
-      bit_offset: 16
-      bit_size: 1
-    - name: S17
-      description: S17
-      bit_offset: 17
-      bit_size: 1
-    - name: S18
-      description: S18
-      bit_offset: 18
-      bit_size: 1
-    - name: S19
-      description: S19
-      bit_offset: 19
-      bit_size: 1
-    - name: S20
-      description: S20
-      bit_offset: 20
-      bit_size: 1
-    - name: S21
-      description: S21
-      bit_offset: 21
-      bit_size: 1
-    - name: S22
-      description: S22
-      bit_offset: 22
-      bit_size: 1
-    - name: S23
-      description: S23
-      bit_offset: 23
-      bit_size: 1
-    - name: S24
-      description: S24
-      bit_offset: 24
-      bit_size: 1
-    - name: S25
-      description: S25
-      bit_offset: 25
-      bit_size: 1
-    - name: S26
-      description: S26
-      bit_offset: 26
-      bit_size: 1
-    - name: S27
-      description: S27
-      bit_offset: 27
-      bit_size: 1
-    - name: S28
-      description: S28
-      bit_offset: 28
-      bit_size: 1
-    - name: S29
-      description: S29
-      bit_offset: 29
-      bit_size: 1
-    - name: S30
-      description: S30
-      bit_offset: 30
-      bit_size: 1
-    - name: S31
-      description: S31
-      bit_offset: 31
-      bit_size: 1
-fieldset/RAM_COM1:
-  description: display memory
-  fields:
-    - name: S00
-      description: S00
-      bit_offset: 0
-      bit_size: 1
-    - name: S01
-      description: S01
-      bit_offset: 1
-      bit_size: 1
-    - name: S02
-      description: S02
-      bit_offset: 2
-      bit_size: 1
-    - name: S03
-      description: S03
-      bit_offset: 3
-      bit_size: 1
-    - name: S04
-      description: S04
-      bit_offset: 4
-      bit_size: 1
-    - name: S05
-      description: S05
-      bit_offset: 5
-      bit_size: 1
-    - name: S06
-      description: S06
-      bit_offset: 6
-      bit_size: 1
-    - name: S07
-      description: S07
-      bit_offset: 7
-      bit_size: 1
-    - name: S08
-      description: S08
-      bit_offset: 8
-      bit_size: 1
-    - name: S09
-      description: S09
-      bit_offset: 9
-      bit_size: 1
-    - name: S10
-      description: S10
-      bit_offset: 10
-      bit_size: 1
-    - name: S11
-      description: S11
-      bit_offset: 11
-      bit_size: 1
-    - name: S12
-      description: S12
-      bit_offset: 12
-      bit_size: 1
-    - name: S13
-      description: S13
-      bit_offset: 13
-      bit_size: 1
-    - name: S14
-      description: S14
-      bit_offset: 14
-      bit_size: 1
-    - name: S15
-      description: S15
-      bit_offset: 15
-      bit_size: 1
-    - name: S16
-      description: S16
-      bit_offset: 16
-      bit_size: 1
-    - name: S17
-      description: S17
-      bit_offset: 17
-      bit_size: 1
-    - name: S18
-      description: S18
-      bit_offset: 18
-      bit_size: 1
-    - name: S19
-      description: S19
-      bit_offset: 19
-      bit_size: 1
-    - name: S20
-      description: S20
-      bit_offset: 20
-      bit_size: 1
-    - name: S21
-      description: S21
-      bit_offset: 21
-      bit_size: 1
-    - name: S22
-      description: S22
-      bit_offset: 22
-      bit_size: 1
-    - name: S23
-      description: S23
-      bit_offset: 23
-      bit_size: 1
-    - name: S24
-      description: S24
-      bit_offset: 24
-      bit_size: 1
-    - name: S25
-      description: S25
-      bit_offset: 25
-      bit_size: 1
-    - name: S26
-      description: S26
-      bit_offset: 26
-      bit_size: 1
-    - name: S27
-      description: S27
-      bit_offset: 27
-      bit_size: 1
-    - name: S28
-      description: S28
-      bit_offset: 28
-      bit_size: 1
-    - name: S29
-      description: S29
-      bit_offset: 29
-      bit_size: 1
-    - name: S30
-      description: S30
-      bit_offset: 30
-      bit_size: 1
-    - name: S31
-      description: S31
-      bit_offset: 31
-      bit_size: 1
-fieldset/RAM_COM2:
-  description: display memory
-  fields:
-    - name: S00
-      description: S00
-      bit_offset: 0
-      bit_size: 1
-    - name: S01
-      description: S01
-      bit_offset: 1
-      bit_size: 1
-    - name: S02
-      description: S02
-      bit_offset: 2
-      bit_size: 1
-    - name: S03
-      description: S03
-      bit_offset: 3
-      bit_size: 1
-    - name: S04
-      description: S04
-      bit_offset: 4
-      bit_size: 1
-    - name: S05
-      description: S05
-      bit_offset: 5
-      bit_size: 1
-    - name: S06
-      description: S06
-      bit_offset: 6
-      bit_size: 1
-    - name: S07
-      description: S07
-      bit_offset: 7
-      bit_size: 1
-    - name: S08
-      description: S08
-      bit_offset: 8
-      bit_size: 1
-    - name: S09
-      description: S09
-      bit_offset: 9
-      bit_size: 1
-    - name: S10
-      description: S10
-      bit_offset: 10
-      bit_size: 1
-    - name: S11
-      description: S11
-      bit_offset: 11
-      bit_size: 1
-    - name: S12
-      description: S12
-      bit_offset: 12
-      bit_size: 1
-    - name: S13
-      description: S13
-      bit_offset: 13
-      bit_size: 1
-    - name: S14
-      description: S14
-      bit_offset: 14
-      bit_size: 1
-    - name: S15
-      description: S15
-      bit_offset: 15
-      bit_size: 1
-    - name: S16
-      description: S16
-      bit_offset: 16
-      bit_size: 1
-    - name: S17
-      description: S17
-      bit_offset: 17
-      bit_size: 1
-    - name: S18
-      description: S18
-      bit_offset: 18
-      bit_size: 1
-    - name: S19
-      description: S19
-      bit_offset: 19
-      bit_size: 1
-    - name: S20
-      description: S20
-      bit_offset: 20
-      bit_size: 1
-    - name: S21
-      description: S21
-      bit_offset: 21
-      bit_size: 1
-    - name: S22
-      description: S22
-      bit_offset: 22
-      bit_size: 1
-    - name: S23
-      description: S23
-      bit_offset: 23
-      bit_size: 1
-    - name: S24
-      description: S24
-      bit_offset: 24
-      bit_size: 1
-    - name: S25
-      description: S25
-      bit_offset: 25
-      bit_size: 1
-    - name: S26
-      description: S26
-      bit_offset: 26
-      bit_size: 1
-    - name: S27
-      description: S27
-      bit_offset: 27
-      bit_size: 1
-    - name: S28
-      description: S28
-      bit_offset: 28
-      bit_size: 1
-    - name: S29
-      description: S29
-      bit_offset: 29
-      bit_size: 1
-    - name: S30
-      description: S30
-      bit_offset: 30
-      bit_size: 1
-    - name: S31
-      description: S31
-      bit_offset: 31
-      bit_size: 1
-fieldset/RAM_COM3:
-  description: display memory
-  fields:
-    - name: S00
-      description: S00
-      bit_offset: 0
-      bit_size: 1
-    - name: S01
-      description: S01
-      bit_offset: 1
-      bit_size: 1
-    - name: S02
-      description: S02
-      bit_offset: 2
-      bit_size: 1
-    - name: S03
-      description: S03
-      bit_offset: 3
-      bit_size: 1
-    - name: S04
-      description: S04
-      bit_offset: 4
-      bit_size: 1
-    - name: S05
-      description: S05
-      bit_offset: 5
-      bit_size: 1
-    - name: S06
-      description: S06
-      bit_offset: 6
-      bit_size: 1
-    - name: S07
-      description: S07
-      bit_offset: 7
-      bit_size: 1
-    - name: S08
-      description: S08
-      bit_offset: 8
-      bit_size: 1
-    - name: S09
-      description: S09
-      bit_offset: 9
-      bit_size: 1
-    - name: S10
-      description: S10
-      bit_offset: 10
-      bit_size: 1
-    - name: S11
-      description: S11
-      bit_offset: 11
-      bit_size: 1
-    - name: S12
-      description: S12
-      bit_offset: 12
-      bit_size: 1
-    - name: S13
-      description: S13
-      bit_offset: 13
-      bit_size: 1
-    - name: S14
-      description: S14
-      bit_offset: 14
-      bit_size: 1
-    - name: S15
-      description: S15
-      bit_offset: 15
-      bit_size: 1
-    - name: S16
-      description: S16
-      bit_offset: 16
-      bit_size: 1
-    - name: S17
-      description: S17
-      bit_offset: 17
-      bit_size: 1
-    - name: S18
-      description: S18
-      bit_offset: 18
-      bit_size: 1
-    - name: S19
-      description: S19
-      bit_offset: 19
-      bit_size: 1
-    - name: S20
-      description: S20
-      bit_offset: 20
-      bit_size: 1
-    - name: S21
-      description: S21
-      bit_offset: 21
-      bit_size: 1
-    - name: S22
-      description: S22
-      bit_offset: 22
-      bit_size: 1
-    - name: S23
-      description: S23
-      bit_offset: 23
-      bit_size: 1
-    - name: S24
-      description: S24
-      bit_offset: 24
-      bit_size: 1
-    - name: S25
-      description: S25
-      bit_offset: 25
-      bit_size: 1
-    - name: S26
-      description: S26
-      bit_offset: 26
-      bit_size: 1
-    - name: S27
-      description: S27
-      bit_offset: 27
-      bit_size: 1
-    - name: S28
-      description: S28
-      bit_offset: 28
-      bit_size: 1
-    - name: S29
-      description: S29
-      bit_offset: 29
-      bit_size: 1
-    - name: S30
-      description: S30
-      bit_offset: 30
-      bit_size: 1
-    - name: S31
-      description: S31
-      bit_offset: 31
-      bit_size: 1
-fieldset/RAM_COM4:
-  description: display memory
-  fields:
-    - name: S00
-      description: S00
-      bit_offset: 0
-      bit_size: 1
-    - name: S01
-      description: S01
-      bit_offset: 1
-      bit_size: 1
-    - name: S02
-      description: S02
-      bit_offset: 2
-      bit_size: 1
-    - name: S03
-      description: S03
-      bit_offset: 3
-      bit_size: 1
-    - name: S04
-      description: S04
-      bit_offset: 4
-      bit_size: 1
-    - name: S05
-      description: S05
-      bit_offset: 5
-      bit_size: 1
-    - name: S06
-      description: S06
-      bit_offset: 6
-      bit_size: 1
-    - name: S07
-      description: S07
-      bit_offset: 7
-      bit_size: 1
-    - name: S08
-      description: S08
-      bit_offset: 8
-      bit_size: 1
-    - name: S09
-      description: S09
-      bit_offset: 9
-      bit_size: 1
-    - name: S10
-      description: S10
-      bit_offset: 10
-      bit_size: 1
-    - name: S11
-      description: S11
-      bit_offset: 11
-      bit_size: 1
-    - name: S12
-      description: S12
-      bit_offset: 12
-      bit_size: 1
-    - name: S13
-      description: S13
-      bit_offset: 13
-      bit_size: 1
-    - name: S14
-      description: S14
-      bit_offset: 14
-      bit_size: 1
-    - name: S15
-      description: S15
-      bit_offset: 15
-      bit_size: 1
-    - name: S16
-      description: S16
-      bit_offset: 16
-      bit_size: 1
-    - name: S17
-      description: S17
-      bit_offset: 17
-      bit_size: 1
-    - name: S18
-      description: S18
-      bit_offset: 18
-      bit_size: 1
-    - name: S19
-      description: S19
-      bit_offset: 19
-      bit_size: 1
-    - name: S20
-      description: S20
-      bit_offset: 20
-      bit_size: 1
-    - name: S21
-      description: S21
-      bit_offset: 21
-      bit_size: 1
-    - name: S22
-      description: S22
-      bit_offset: 22
-      bit_size: 1
-    - name: S23
-      description: S23
-      bit_offset: 23
-      bit_size: 1
-    - name: S24
-      description: S24
-      bit_offset: 24
-      bit_size: 1
-    - name: S25
-      description: S25
-      bit_offset: 25
-      bit_size: 1
-    - name: S26
-      description: S26
-      bit_offset: 26
-      bit_size: 1
-    - name: S27
-      description: S27
-      bit_offset: 27
-      bit_size: 1
-    - name: S28
-      description: S28
-      bit_offset: 28
-      bit_size: 1
-    - name: S29
-      description: S29
-      bit_offset: 29
-      bit_size: 1
-    - name: S30
-      description: S30
-      bit_offset: 30
-      bit_size: 1
-    - name: S31
-      description: S31
-      bit_offset: 31
-      bit_size: 1
-fieldset/RAM_COM5:
-  description: display memory
-  fields:
-    - name: S00
-      description: S00
-      bit_offset: 0
-      bit_size: 1
-    - name: S01
-      description: S01
-      bit_offset: 1
-      bit_size: 1
-    - name: S02
-      description: S02
-      bit_offset: 2
-      bit_size: 1
-    - name: S03
-      description: S03
-      bit_offset: 3
-      bit_size: 1
-    - name: S04
-      description: S04
-      bit_offset: 4
-      bit_size: 1
-    - name: S05
-      description: S05
-      bit_offset: 5
-      bit_size: 1
-    - name: S06
-      description: S06
-      bit_offset: 6
-      bit_size: 1
-    - name: S07
-      description: S07
-      bit_offset: 7
-      bit_size: 1
-    - name: S08
-      description: S08
-      bit_offset: 8
-      bit_size: 1
-    - name: S09
-      description: S09
-      bit_offset: 9
-      bit_size: 1
-    - name: S10
-      description: S10
-      bit_offset: 10
-      bit_size: 1
-    - name: S11
-      description: S11
-      bit_offset: 11
-      bit_size: 1
-    - name: S12
-      description: S12
-      bit_offset: 12
-      bit_size: 1
-    - name: S13
-      description: S13
-      bit_offset: 13
-      bit_size: 1
-    - name: S14
-      description: S14
-      bit_offset: 14
-      bit_size: 1
-    - name: S15
-      description: S15
-      bit_offset: 15
-      bit_size: 1
-    - name: S16
-      description: S16
-      bit_offset: 16
-      bit_size: 1
-    - name: S17
-      description: S17
-      bit_offset: 17
-      bit_size: 1
-    - name: S18
-      description: S18
-      bit_offset: 18
-      bit_size: 1
-    - name: S19
-      description: S19
-      bit_offset: 19
-      bit_size: 1
-    - name: S20
-      description: S20
-      bit_offset: 20
-      bit_size: 1
-    - name: S21
-      description: S21
-      bit_offset: 21
-      bit_size: 1
-    - name: S22
-      description: S22
-      bit_offset: 22
-      bit_size: 1
-    - name: S23
-      description: S23
-      bit_offset: 23
-      bit_size: 1
-    - name: S24
-      description: S24
-      bit_offset: 24
-      bit_size: 1
-    - name: S25
-      description: S25
-      bit_offset: 25
-      bit_size: 1
-    - name: S26
-      description: S26
-      bit_offset: 26
-      bit_size: 1
-    - name: S27
-      description: S27
-      bit_offset: 27
-      bit_size: 1
-    - name: S28
-      description: S28
-      bit_offset: 28
-      bit_size: 1
-    - name: S29
-      description: S29
-      bit_offset: 29
-      bit_size: 1
-    - name: S30
-      description: S30
-      bit_offset: 30
-      bit_size: 1
-    - name: S31
-      description: S31
-      bit_offset: 31
-      bit_size: 1
-fieldset/RAM_COM6:
-  description: display memory
-  fields:
-    - name: S00
-      description: S00
-      bit_offset: 0
-      bit_size: 1
-    - name: S01
-      description: S01
-      bit_offset: 1
-      bit_size: 1
-    - name: S02
-      description: S02
-      bit_offset: 2
-      bit_size: 1
-    - name: S03
-      description: S03
-      bit_offset: 3
-      bit_size: 1
-    - name: S04
-      description: S04
-      bit_offset: 4
-      bit_size: 1
-    - name: S05
-      description: S05
-      bit_offset: 5
-      bit_size: 1
-    - name: S06
-      description: S06
-      bit_offset: 6
-      bit_size: 1
-    - name: S07
-      description: S07
-      bit_offset: 7
-      bit_size: 1
-    - name: S08
-      description: S08
-      bit_offset: 8
-      bit_size: 1
-    - name: S09
-      description: S09
-      bit_offset: 9
-      bit_size: 1
-    - name: S10
-      description: S10
-      bit_offset: 10
-      bit_size: 1
-    - name: S11
-      description: S11
-      bit_offset: 11
-      bit_size: 1
-    - name: S12
-      description: S12
-      bit_offset: 12
-      bit_size: 1
-    - name: S13
-      description: S13
-      bit_offset: 13
-      bit_size: 1
-    - name: S14
-      description: S14
-      bit_offset: 14
-      bit_size: 1
-    - name: S15
-      description: S15
-      bit_offset: 15
-      bit_size: 1
-    - name: S16
-      description: S16
-      bit_offset: 16
-      bit_size: 1
-    - name: S17
-      description: S17
-      bit_offset: 17
-      bit_size: 1
-    - name: S18
-      description: S18
-      bit_offset: 18
-      bit_size: 1
-    - name: S19
-      description: S19
-      bit_offset: 19
-      bit_size: 1
-    - name: S20
-      description: S20
-      bit_offset: 20
-      bit_size: 1
-    - name: S21
-      description: S21
-      bit_offset: 21
-      bit_size: 1
-    - name: S22
-      description: S22
-      bit_offset: 22
-      bit_size: 1
-    - name: S23
-      description: S23
-      bit_offset: 23
-      bit_size: 1
-    - name: S24
-      description: S24
-      bit_offset: 24
-      bit_size: 1
-    - name: S25
-      description: S25
-      bit_offset: 25
-      bit_size: 1
-    - name: S26
-      description: S26
-      bit_offset: 26
-      bit_size: 1
-    - name: S27
-      description: S27
-      bit_offset: 27
-      bit_size: 1
-    - name: S28
-      description: S28
-      bit_offset: 28
-      bit_size: 1
-    - name: S29
-      description: S29
-      bit_offset: 29
-      bit_size: 1
-    - name: S30
-      description: S30
-      bit_offset: 30
-      bit_size: 1
-    - name: S31
-      description: S31
-      bit_offset: 31
-      bit_size: 1
-fieldset/RAM_COM7:
-  description: display memory
-  fields:
-    - name: S00
-      description: S00
-      bit_offset: 0
-      bit_size: 1
-    - name: S01
-      description: S01
-      bit_offset: 1
-      bit_size: 1
-    - name: S02
-      description: S02
-      bit_offset: 2
-      bit_size: 1
-    - name: S03
-      description: S03
-      bit_offset: 3
-      bit_size: 1
-    - name: S04
-      description: S04
-      bit_offset: 4
-      bit_size: 1
-    - name: S05
-      description: S05
-      bit_offset: 5
-      bit_size: 1
-    - name: S06
-      description: S06
-      bit_offset: 6
-      bit_size: 1
-    - name: S07
-      description: S07
-      bit_offset: 7
-      bit_size: 1
-    - name: S08
-      description: S08
-      bit_offset: 8
-      bit_size: 1
-    - name: S09
-      description: S09
-      bit_offset: 9
-      bit_size: 1
-    - name: S10
-      description: S10
-      bit_offset: 10
-      bit_size: 1
-    - name: S11
-      description: S11
-      bit_offset: 11
-      bit_size: 1
-    - name: S12
-      description: S12
-      bit_offset: 12
-      bit_size: 1
-    - name: S13
-      description: S13
-      bit_offset: 13
-      bit_size: 1
-    - name: S14
-      description: S14
-      bit_offset: 14
-      bit_size: 1
-    - name: S15
-      description: S15
-      bit_offset: 15
-      bit_size: 1
-    - name: S16
-      description: S16
-      bit_offset: 16
-      bit_size: 1
-    - name: S17
-      description: S17
-      bit_offset: 17
-      bit_size: 1
-    - name: S18
-      description: S18
-      bit_offset: 18
-      bit_size: 1
-    - name: S19
-      description: S19
-      bit_offset: 19
-      bit_size: 1
-    - name: S20
-      description: S20
-      bit_offset: 20
-      bit_size: 1
-    - name: S21
-      description: S21
-      bit_offset: 21
-      bit_size: 1
-    - name: S22
-      description: S22
-      bit_offset: 22
-      bit_size: 1
-    - name: S23
-      description: S23
-      bit_offset: 23
-      bit_size: 1
-    - name: S24
-      description: S24
-      bit_offset: 24
-      bit_size: 1
-    - name: S25
-      description: S25
-      bit_offset: 25
-      bit_size: 1
-    - name: S26
-      description: S26
-      bit_offset: 26
-      bit_size: 1
-    - name: S27
-      description: S27
-      bit_offset: 27
-      bit_size: 1
-    - name: S28
-      description: S28
-      bit_offset: 28
-      bit_size: 1
-    - name: S29
-      description: S29
-      bit_offset: 29
-      bit_size: 1
-    - name: S30
-      description: S30
-      bit_offset: 30
-      bit_size: 1
-    - name: S31
-      description: S31
-      bit_offset: 31
-      bit_size: 1
 fieldset/SR:
   description: status register
   fields: