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Line zoom enable bit : Line zoom X enable bit (N1LZMX, N0LZMX)
Specify whether to perform scaling in line units in the horizontal direction.

N0LZMX 18009AH Bit 3 For NBG0
N1LZMX 18009AH Bit 11 NBG1

NxLZMX Process
0 Do not scale horizontally in units of lines
1 Enlarge / reduce line by line in the horizontal direction
[Note] 0 or 1 is entered in x of the bit name.

When using this function, be sure to store the horizontal coordinate increment in the VRAM line scroll table. The horizontal coordinate increment should not exceed the shrink setting.

Line scroll Y enable bit
: Line scroll enable bit (for vertical screen scroll value)
(N1LSCY, N0LSCY)
Specified whether to scroll line by line in the vertical direction.

N0LSCY 18009AH Bit 2 For NBG0
N1LSCY 18009AH Bit 10 For NBG1

NxLSCY Process
0 Do not scroll line by line vertically
1 scroll line by line vertically
[Note] 0 or 1 is entered in x of the bit name.

When using this function, be sure to store the vertical screen scroll value in the VRAM line scroll table.

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