218 lines
3.0 KiB
Ucode
218 lines
3.0 KiB
Ucode
#define LIST_START 0xE0
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#define HASH_MASK 0b1111
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// PM initial state
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#data 0x00 0x70
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#data 0x01 0x7c
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#data 0x02 0x88
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#data 0x03 0x94
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#data 0x04 0xa0
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#data 0x05 0xac
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#data 0x06 0xb8
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#data 0x07 0xc4
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#data 0x08 0x10
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#data 0x09 0x1c
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#data 0x0a 0x28
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#data 0x0b 0x34
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#data 0x0c 0x40
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#data 0x0d 0x4c
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#data 0x0e 0x58
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#data 0x0f 0x64
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#data 0x10 0x10
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#data 0x1c 0x1c
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#data 0x28 0x28
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#data 0x34 0x34
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#data 0x40 0x40
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#data 0x4c 0x4c
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#data 0x58 0x58
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#data 0x64 0x64
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#data 0x70 0x70
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#data 0x7c 0x7c
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#data 0x88 0x88
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#data 0x94 0x94
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#data 0xa0 0xa0
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#data 0xac 0xac
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#data 0xb8 0xb8
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#data 0xc4 0xc4
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// TODO: Include register initial-state compiler directive (saves, like, 2 cycles max)
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// Set PC to LIST_START
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const LIST_START
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mov ar pc
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//// ---- START OF DANK SORT ---- ////
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$DANK_SORT
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mov pc asr
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mov pc ir; incpc
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mov pm ar
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mov pc asr
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mov pm hr
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brl; mov hr gr
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brl
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brl
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brl
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and HASH_MASK
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mov ar asr
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mov pm ar; mov pm asr
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mov ar pc; mvn ar
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add 1
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add pm
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mov ar lc
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mov pc ar
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// Move
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mov pm pc
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incpc
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mov pc pm
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mov ar pc
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// First insertion
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$DANK_INSERT_FIRST_START
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incpc; bls @DANK_INSERT_FIRST_END_BIGGEST
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mov pc asr
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mov pm ar
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sub gr
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adn gr; brn @DANK_INSERT_FIRST_BOTTOM
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mov gr pm
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$DANK_INSERT_FIRST_SHIFT
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incpc; bls @DANK_INSERT_SECOND_START
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mov pc asr
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mov pm gr
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mov ar pm
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mov gr ar; declc
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bra @DANK_INSERT_FIRST_SHIFT
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$DANK_INSERT_FIRST_BOTTOM
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declc; bra @DANK_INSERT_FIRST_START
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$DANK_INSERT_FIRST_END_BIGGEST
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mov pc asr
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mov gr pm
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$DANK_INSERT_SECOND_START
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// Finalize hash in HR
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mov hr ar
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and HASH_MASK
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mov ar asr
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mov pm hr
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mov pm asr
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mov pm pc; mov pm ar
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incpc; sub hr
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mov pc pm
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mov ar lc
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mov hr pc
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// Get the value we hashed
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mov ir asr
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mov pm gr
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// Second insertion
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$DANK_INSERT_SECOND_LOOP
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incpc; bls @DANK_INSERT_SECOND_END_BIGGEST
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mov pc asr
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mov pm ar
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sub gr
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adn gr; brn @DANK_INSERT_SECOND_BOTTOM
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mov gr pm
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$DANK_INSERT_SECOND_SHIFT
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incpc; bls @DANK_INSERT_SECOND_END_NUMLET
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mov pc asr
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mov pm gr
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mov ar pm
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mov gr ar; declc
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bra @DANK_INSERT_SECOND_SHIFT
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$DANK_INSERT_SECOND_BOTTOM
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declc; bra @DANK_INSERT_SECOND_LOOP
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$DANK_INSERT_SECOND_END_BIGGEST
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mov pc asr
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mov gr pm
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$DANK_INSERT_SECOND_END_NUMLET
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mov ir ar; mov ir pc
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sub 0xFE
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brz @BUCKET_SORT_END; incpc
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bra @DANK_SORT; incpc
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$BUCKET_SORT_END
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// PC is 0 here. Data is sorted smallest-to largest in memory: just spread out into buckets ;)
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// Perform final merge here
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// Set PC to write index
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const 0xE0
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mov ar pc
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// ######## INSERTION ##########
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// COPY NEGATIVE
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// Initialize GR as bucket pointer and IR as element pointer
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const 0x10
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mov ar gr
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$LOOP
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// Dereference GR into IR and compute length
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mov gr asr
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mov pm ar
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// Subtract start from end and save (the resultant length) into LC
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sub gr
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mov ar lc
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// Calcuate the first element of the array and store in IR
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mov gr ar
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add 1
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mov ar ir
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// Copy 0x78 to initial list (0xE0)
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$COPY_BUCKET
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bls @NEXT_BUCKET
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mov ir asr; mov ir ar
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mov pm hr
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add 1
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mov ar ir
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// Write value to be copied into write index (data[pc] = data[ir])
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mov pc asr
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mov hr pm; incpc; declc
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bra @COPY_BUCKET
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$NEXT_BUCKET
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mov gr ar
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add 0x0C
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mov ar gr
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sub 0xD0
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bnz @LOOP
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$BREAK
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halt
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