fdgd.cnx

这是一个用MAX+PLUSII开发FPGA（1K30器件）开发的李沙育图形发生器（硬件描述语言部分）

GENERATION: STANDARD
VERSION: WM1.0
MODULE: lpm_add_sub

PRIVATE: nBit NUMERIC "8"
PRIVATE: Function NUMERIC "2"
PRIVATE: WhichConstant NUMERIC "0"
PRIVATE: ConstantA NUMERIC "0"
PRIVATE: ConstantB NUMERIC "0"
PRIVATE: ValidCtA NUMERIC "0"
PRIVATE: ValidCtB NUMERIC "0"
PRIVATE: CarryIn NUMERIC "1"
PRIVATE: CarryOut NUMERIC "0"
PRIVATE: Overflow NUMERIC "0"
PRIVATE: Latency NUMERIC "1"
PRIVATE: aclr NUMERIC "0"
PRIVATE: LPM_PIPELINE NUMERIC "1"

CONSTANT: LPM_WIDTH NUMERIC "8" 
CONSTANT: LPM_DIRECTION STRING "UNUSED" 
CONSTANT: ONE_INPUT_IS_CONSTANT STRING "NO" 
CONSTANT: LPM_PIPELINE NUMERIC "1" 

USED_PORT: add_sub 0 0 0 0 INPUT NODEFVAL add_sub 
USED_PORT: result 0 0 8 0 OUTPUT NODEFVAL result[7..0] 
USED_PORT: dataa 0 0 8 0 INPUT NODEFVAL dataa[7..0] 
USED_PORT: datab 0 0 8 0 INPUT NODEFVAL datab[7..0] 
USED_PORT: cin 0 0 0 0 INPUT NODEFVAL cin 
USED_PORT: clock 0 0 0 0 INPUT NODEFVAL clock 

CONNECT: @add_sub 0 0 0 0 add_sub 0 0 0 0
CONNECT: result 0 0 8 0 @result 0 0 8 0
CONNECT: @dataa 0 0 8 0 dataa 0 0 8 0
CONNECT: @datab 0 0 8 0 datab 0 0 8 0
CONNECT: @cin 0 0 0 0 cin 0 0 0 0
CONNECT: @clock 0 0 0 0 clock 0 0 0 0

SYMBOL: BOX 160 128 68 111 Arial,10
SYMBOL: LINE 64 64 96 56 SOLID THIN
SYMBOL: LINE 96 56 96 24 SOLID THIN
SYMBOL: LINE 96 24 64 16 SOLID THIN
SYMBOL: LINE 64 16 64 64 SOLID THIN
SYMBOL: LINE 85 96 85 59 SOLID THIN
SYMBOL: LINE 111 71 130 71 SOLID THIN
SYMBOL: LINE 74 80 74 62 SOLID THIN
SYMBOL: TEXT "A" 66 49 HORIZ Arial,8
SYMBOL: TEXT "B" 66 17 HORIZ Arial,8
SYMBOL: TEXT "A+B/A-B" 87 58 HORIZ Arial,8
SYMBOL: PINSTUB 160 40 OUT result[7..0] 106 40 "result[7..0]" HORIZ Arial,8
SYMBOL: LINE 160 40 96 40 SOLID THICK
SYMBOL: PINSTUB 0 56 IN dataa[7..0] 4 56 "dataa[7..0]" HORIZ Arial,8
SYMBOL: LINE 0 56 64 56 SOLID THICK
SYMBOL: PINSTUB 0 24 IN datab[7..0] 4 24 "datab[7..0]" HORIZ Arial,8
SYMBOL: LINE 0 24 64 24 SOLID THICK
SYMBOL: PINSTUB 0 40 IN clock 4 40 "clock" HORIZ Arial,8
SYMBOL: LINE 0 40 64 40 SOLID THIN
SYMBOL: LINE 64 46 70 40 SOLID THIN
SYMBOL: LINE 70 40 64 34 SOLID THIN
SYMBOL: PINSTUB 0 96 IN add_sub 4 96 "add_sub" HORIZ Arial,8
SYMBOL: LINE 0 96 85 96 SOLID THIN
SYMBOL: PINSTUB 0 80 IN cin 4 80 "cin" HORIZ Arial,8
SYMBOL: LINE 0 80 74 80 SOLID THIN