URL
https://opencores.org/ocsvn/a-z80/a-z80/trunk
Subversion Repositories a-z80
[/] [a-z80/] [trunk/] [cpu/] [control/] [ir.bdf] - Rev 4
Go to most recent revision | Compare with Previous | Blame | View Log
/*
WARNING: Do NOT edit the input and output ports in this file in a text
editor if you plan to continue editing the block that represents it in
the Block Editor! File corruption is VERY likely to occur.
*/
/*
Copyright (C) 1991-2013 Altera Corporation
Your use of Altera Corporation's design tools, logic functions
and other software and tools, and its AMPP partner logic
functions, and any output files from any of the foregoing
(including device programming or simulation files), and any
associated documentation or information are expressly subject
to the terms and conditions of the Altera Program License
Subscription Agreement, Altera MegaCore Function License
Agreement, or other applicable license agreement, including,
without limitation, that your use is for the sole purpose of
programming logic devices manufactured by Altera and sold by
Altera or its authorized distributors. Please refer to the
applicable agreement for further details.
*/
(header "graphic" (version "1.4"))
(pin
(input)
(rect 40 80 216 96)
(text "INPUT" (rect 133 0 161 10)(font "Arial" (font_size 6)))
(text "ctl_ir_we" (rect 9 0 51 12)(font "Arial" ))
(pt 176 8)
(drawing
(line (pt 92 12)(pt 117 12))
(line (pt 92 4)(pt 117 4))
(line (pt 121 8)(pt 176 8))
(line (pt 92 12)(pt 92 4))
(line (pt 117 4)(pt 121 8))
(line (pt 117 12)(pt 121 8))
)
(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
)
(pin
(input)
(rect 40 48 216 64)
(text "INPUT" (rect 133 0 161 10)(font "Arial" (font_size 6)))
(text "db[7..0]" (rect 9 0 46 12)(font "Arial" ))
(pt 176 8)
(drawing
(line (pt 92 12)(pt 117 12))
(line (pt 92 4)(pt 117 4))
(line (pt 121 8)(pt 176 8))
(line (pt 92 12)(pt 92 4))
(line (pt 117 4)(pt 121 8))
(line (pt 117 12)(pt 121 8))
)
(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
)
(pin
(input)
(rect 40 64 216 80)
(text "INPUT" (rect 133 0 161 10)(font "Arial" (font_size 6)))
(text "clk" (rect 9 0 23 12)(font "Arial" ))
(pt 176 8)
(drawing
(line (pt 92 12)(pt 117 12))
(line (pt 92 4)(pt 117 4))
(line (pt 121 8)(pt 176 8))
(line (pt 92 12)(pt 92 4))
(line (pt 117 4)(pt 121 8))
(line (pt 117 12)(pt 121 8))
)
(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
)
(pin
(output)
(rect 376 48 552 64)
(text "OUTPUT" (rect 1 0 39 10)(font "Arial" (font_size 6)))
(text "opcode[7..0]" (rect 90 0 151 12)(font "Arial" ))
(pt 0 8)
(drawing
(line (pt 0 8)(pt 52 8))
(line (pt 52 4)(pt 78 4))
(line (pt 52 12)(pt 78 12))
(line (pt 52 12)(pt 52 4))
(line (pt 78 4)(pt 82 8))
(line (pt 82 8)(pt 78 12))
(line (pt 78 12)(pt 82 8))
)
)
(symbol
(rect 264 32 328 112)
(text "DFFE" (rect 1 0 25 10)(font "Arial" (font_size 6)))
(text "ir" (rect 3 68 8 80)(font "Arial" ))
(port
(pt 32 0)
(input)
(text "PRN" (rect 24 13 41 25)(font "Courier New" (bold)))
(text "PRN" (rect 24 11 41 23)(font "Courier New" (bold)))
(line (pt 32 4)(pt 32 0))
)
(port
(pt 32 80)
(input)
(text "CLRN" (rect 21 59 44 71)(font "Courier New" (bold)))
(text "CLRN" (rect 21 58 44 70)(font "Courier New" (bold)))
(line (pt 32 80)(pt 32 76))
)
(port
(pt 0 24)
(input)
(text "D" (rect 14 20 19 32)(font "Courier New" (bold)))
(text "D" (rect 14 20 19 32)(font "Courier New" (bold)))
(line (pt 0 24)(pt 12 24))
)
(port
(pt 0 40)
(input)
(text "CLK" (rect 2 28 19 40)(font "Courier New" (bold))(invisible))
(text "CLK" (rect 2 28 19 40)(font "Courier New" (bold))(invisible))
(line (pt 0 40)(pt 12 40))
)
(port
(pt 0 56)
(input)
(text "ENA" (rect 14 50 31 62)(font "Courier New" (bold)))
(text "ENA" (rect 14 50 31 62)(font "Courier New" (bold)))
(line (pt 0 56)(pt 12 56))
)
(port
(pt 64 24)
(output)
(text "Q" (rect 44 20 49 32)(font "Courier New" (bold)))
(text "Q" (rect 44 20 48 32)(font "Courier New" (bold)))
(line (pt 53 24)(pt 64 24))
)
(drawing
(line (pt 12 68)(pt 52 68))
(line (pt 12 12)(pt 52 12))
(line (pt 52 68)(pt 52 12))
(line (pt 12 68)(pt 12 12))
(line (pt 12 34)(pt 19 41))
(line (pt 18 41)(pt 12 47))
(circle (rect 28 4 36 12))
(circle (rect 28 68 36 76))
)
)
(connector
(pt 216 56)
(pt 264 56)
(bus)
)
(connector
(pt 216 88)
(pt 264 88)
)
(connector
(pt 328 56)
(pt 376 56)
(bus)
)
(connector
(pt 216 72)
(pt 264 72)
)
(text "8 latches implement the opcode Instruction Register" (rect 160 136 451 150)(font "Arial" (font_size 8)))
(title_block
(rect 40 176 297 228)
(name "title-custom-small")
(section (rect 0 0 256 17)(text "PROJECT" (rect 2 0 52 12)(font "Arial" ))(text "A-Z80" (rect 56 2 94 17)(font "Arial" (font_size 9)(bold)))(border))
(section (rect 104 0 256 17)(text "MODULE" (rect 2 1 48 13)(font "Arial" ))(text "ir" (rect 43 2 52 17)(font "Arial" (font_size 9)(bold)))(border))
(section (rect 0 18 256 34)(text "DESIGNER" (rect 2 0 59 12)(font "Arial" ))(text "Goran Devic" (rect 56 2 135 17)(font "Arial" (font_size 9)))(border))
(section (rect 0 35 256 51)(text "DATE" (rect 2 0 30 12)(font "Arial" ))(text "May 3, 2014" (rect 56 3 125 17)(font "Arial" (font_size 8)))(border))
(section (rect 192 35 256 51)(text "REV" (rect 2 1 25 13)(font "Arial" ))(text "1.1" (rect 43 3 60 17)(font "Arial" (font_size 8)))(border))
(drawing
)
)
Go to most recent revision | Compare with Previous | Blame | View Log