altera of 15 IP-core source, may be useful

CORNER.INC
CORNER.SYM
CORNER.TDF
COS180N.MIF
COS180P.MIF
COSINE.INC
COSINE.SYM
COSINE.TDF
CUART.GDF
CUART.INC
CUART.SYM
DIV_BY_N.INC
DIV_BY_N.SYM
DIV_BY_N.TDF
DYNRAM.INC
DYNRAM.SYM
DYNRAM.TDF
GRAY.INC
GRAY.SYM
GRAY.TDF
I2C.INC
I2C.SYM
I2C.TDF
I2C_TEST.GDF
I2C_TEST.INC
I2C_TEST.SYM
LFSR.INC
LFSR.SYM
LFSR.TDF
MII.INC
MII.SYM
MII.TDF
MOT_MUX.INC
MOT_MUX.SYM
MOT_MUX.TDF
NCO.INC
NCO.SYM
NCO.TDF
SINE.INC
SINE.SYM
SINE.TDF
UART_RX.INC
UART_RX.SYM
UART_RX.TDF
UART_TX.INC
UART_TX.SYM
UART_TX.TDF
VAR_DIV.INC
VAR_DIV.SYM
VAR_DIV.TDF
VGA_SYNC.INC
VGA_SYNC.SYM
VGA_SYNC.TDF

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