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40 lines
1.2 KiB
40 lines
1.2 KiB
/*
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* Registers
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* g0 -- header
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* g1 -- constant
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* g2 -- calculate X/Y offset
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* g4-g12 payload for write message
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*/
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define(`ORIG', `g2.0<2,2,1>UD')
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define(`ORIG_X', `g2.0<1>UD')
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define(`ORIG_Y', `g2.4<1>UD')
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define(`COLOR', `g1.0')
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define(`COLORUB', `COLOR<0,1,0>UB')
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define(`COLORUD', `COLOR<0,1,0>UD')
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define(`X', `g0.4<0,1,0>UD')
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define(`Y', `g0.24<0,1,0>UD')
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mov(4) COLOR<1>UB COLORUB {align1};
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/* WRITE */
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/* count thread group ID for X/Y offset */
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mul(1) ORIG_X X 0x10UD {align1};
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mov(1) ORIG_Y Y {align1};
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mov(8) g4.0<1>UD g0.0<8,8,1>UD {align1};
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mov(2) g4.0<1>UD ORIG {align1};
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/* Normal mode: for block height 1 row and block width 16 bytes */
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mov(1) g4.8<1>UD 0x0000000fUD {align1};
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mov(16) g5.0<1>UD COLORUD {align1 compr};
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/*
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* write(0, 0, 10, 12)
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* 10: media_block_write
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* 12: data cache data port 1
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*/
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send(16) 4 acc0<1>UW null write(0, 0, 10, 12) mlen 3 rlen 0 {align1};
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/* EOT */
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mov(8) g112.0<1>UD g0.0<8,8,1>UD {align1};
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send(16) 112 null<1>UW null thread_spawner(0, 0, 1) mlen 1 rlen 0 {align1 EOT};
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