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de0-zx-spectrum/cpu/alu/alu_control.bdf
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Fixed video, kbd and buzzer
2022-03-31 14:13:34 +03:00
/*
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.
*/
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(pt 520 1080)
)
(connector
(pt 728 864)
(pt 728 816)
)
(connector
(pt 384 816)
(pt 728 816)
)
(connector
(pt 208 808)
(pt 320 808)
)
(connector
(pt 320 824)
(pt 240 824)
)
(connector
(pt 240 824)
(pt 240 848)
)
(connector
(pt 240 848)
(pt 416 848)
)
(connector
(pt 208 848)
(pt 240 848)
)
(connector
(text "op543[0]" (rect 243 496 285 508)(font "Arial" ))
(pt 232 512)
(pt 288 512)
)
(connector
(text "op543[2]" (rect 238 576 280 588)(font "Arial" ))
(pt 288 592)
(pt 232 592)
)
(connector
(text "op543[1]" (rect 242 536 284 548)(font "Arial" ))
(pt 232 552)
(pt 288 552)
)
(connector
(pt 272 608)
(pt 288 608)
)
(connector
(pt 208 608)
(pt 224 608)
)
(connector
(pt 208 264)
(pt 232 264)
(bus)
)
(connector
(pt 232 264)
(pt 320 264)
(bus)
)
(connector
(pt 232 264)
(pt 232 512)
(bus)
)
(connector
(pt 232 512)
(pt 232 552)
(bus)
)
(connector
(pt 232 552)
(pt 232 592)
(bus)
)
(connector
(text "sel[0]" (rect 357 536 384 548)(font "Arial" ))
(pt 336 552)
(pt 392 552)
)
(connector
(text "sel[1]" (rect 358 584 385 596)(font "Arial" ))
(pt 352 600)
(pt 392 600)
)
(connector
(text "sel[1..0]" (rect 407 608 447 620)(font "Arial" ))
(pt 392 624)
(pt 448 624)
(bus)
)
(connector
(pt 392 552)
(pt 392 600)
(bus)
)
(connector
(pt 392 600)
(pt 392 624)
(bus)
)
(connector
(pt 208 656)
(pt 448 656)
)
(connector
(pt 208 640)
(pt 448 640)
)
(connector
(pt 208 672)
(pt 448 672)
)
(connector
(pt 208 688)
(pt 448 688)
)
(connector
(text "condition" (rect 669 600 712 612)(font "Arial" ))
(pt 656 616)
(pt 728 616)
)
(connector
(pt 560 624)
(pt 592 624)
)
(connector
(pt 336 512)
(pt 576 512)
)
(connector
(pt 576 512)
(pt 576 608)
)
(connector
(pt 576 608)
(pt 592 608)
)
(connector
(pt 792 616)
(pt 800 616)
)
(connector
(pt 728 648)
(pt 680 648)
)
(connector
(pt 680 648)
(pt 680 736)
)
(connector
(pt 680 736)
(pt 208 736)
)
(connector
(text "clk" (rect 686 616 700 628)(font "Arial" ))
(pt 728 632)
(pt 680 632)
)
(connector
(pt 400 1248)
(pt 400 1168)
)
(connector
(pt 400 1168)
(pt 384 1168)
)
(connector
(pt 288 1200)
(pt 288 1264)
)
(connector
(pt 208 1200)
(pt 288 1200)
)
(connector
(pt 288 1200)
(pt 320 1200)
)
(connector
(pt 208 1184)
(pt 320 1184)
)
(junction (pt 456 152))
(junction (pt 320 216))
(junction (pt 320 168))
(junction (pt 400 392))
(junction (pt 264 48))
(junction (pt 376 280))
(junction (pt 320 264))
(junction (pt 232 264))
(junction (pt 320 112))
(junction (pt 288 96))
(junction (pt 264 1168))
(junction (pt 288 1264))
(junction (pt 232 1584))
(junction (pt 400 312))
(junction (pt 520 904))
(junction (pt 600 960))
(junction (pt 600 984))
(junction (pt 600 1064))
(junction (pt 656 960))
(junction (pt 656 984))
(junction (pt 656 880))
(junction (pt 656 904))
(junction (pt 656 936))
(junction (pt 656 1008))
(junction (pt 656 1040))
(junction (pt 240 880))
(junction (pt 416 872))
(junction (pt 520 1008))
(junction (pt 520 1040))
(junction (pt 240 848))
(junction (pt 232 512))
(junction (pt 232 552))
(junction (pt 392 600))
(junction (pt 288 1200))
(text "Bit that is shifted in depends on the opcode:" (rect 576 288 824 302)(font "Arial" (font_size 8)))
(text "000 RLC -> old D[7]" (rect 576 304 685 318)(font "Arial" (font_size 8)))
(text "001 RRC -> old D[0]" (rect 576 320 686 334)(font "Arial" (font_size 8)))
(text "010 RL -> CF" (rect 576 336 650 350)(font "Arial" (font_size 8)))
(text "011 RR -> CF" (rect 576 352 651 366)(font "Arial" (font_size 8)))
(text "100 SLA -> 0" (rect 576 368 651 382)(font "Arial" (font_size 8)))
(text "101 SRA -> D[7]" (rect 576 384 668 398)(font "Arial" (font_size 8)))
(text "110 SLL -> 1" (rect 576 400 649 414)(font "Arial" (font_size 8)))
(text "111 SRL -> 0" (rect 576 416 650 430)(font "Arial" (font_size 8)))
(text "Select cf out based on the shift direction" (rect 560 32 790 46)(font "Arial" (font_size 8)))
(text "Low nibble 0x6" (rect 432 832 519 846)(font "Arial" (font_size 8)))
(text "High nibble 0x6" (rect 432 912 518 926)(font "Arial" (font_size 8)))
(text "Shifter control" (rect 352 16 446 32)(font "Arial" (font_size 10)))
(text "DAA + bus(66) logic" (rect 336 768 474 784)(font "Arial" (font_size 10)))
(text "Half-parity control" (rect 352 1104 471 1120)(font "Arial" (font_size 10)))
(text "Flag condition mux" (rect 440 536 569 552)(font "Arial" (font_size 10)))
(text "Parity / Overflow input selector" (rect 336 1328 543 1344)(font "Arial" (font_size 10)))
(text "Mux: when op is low, \"1\"; else pf_tmp" (rect 432 1192 647 1206)(font "Arial" (font_size 8)))
(text "Carry flag into ALU core" (rect 352 1520 514 1536)(font "Arial" (font_size 10)))
(title_block
(rect 32 1696 289 1748)
(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 "alu_control" (rect 43 2 118 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 "June 28, 2014" (rect 56 3 136 17)(font "Arial" (font_size 8)))(border))
(section (rect 192 35 256 51)(text "REV" (rect 2 1 25 13)(font "Arial" ))(text "1.6" (rect 43 3 60 17)(font "Arial" (font_size 8)))(border))
(drawing
)
)
Reference in New Issue Copy Permalink