95 lines
1.3 KiB
Plaintext
95 lines
1.3 KiB
Plaintext
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/*
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* isa_test.dsp -- ADSP-219x ISA coverage test for disassembler validation.
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* Assembles with open21xx as219x.
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*/
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.section/PM program0;
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.global _start;
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_start:
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/* Type 30: NOP */
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nop;
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/* Type 6: Dreg = Imm16 */
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ax0 = 0x1234;
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ax1 = 0x5678;
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ay0 = 0xAAAA;
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mx0 = 0x4000;
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my0 = 0x2000;
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/* Type 7: Reg1/Reg2 = Imm16 */
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i0 = 0x0100;
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i1 = 0x0200;
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i4 = 0x0300;
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m0 = 1;
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m1 = 1;
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m3 = -1;
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m4 = 1;
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l0 = 0;
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l4 = 0;
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cntr = 10;
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/* Type 17: Reg = Reg */
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ar = ax0;
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si = ax1;
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mr0 = mx0;
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/* Type 9: Conditional Compute */
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ar = ax0 + ay0;
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ar = ax0 - ay0;
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ar = ax0 and ay0;
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ar = ax0 or ay0;
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ar = ax0 xor ay0;
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ar = pass ax0;
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ar = -ax0;
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ar = abs ax0;
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mr = mx0 * my0 (ss);
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/* Type 10: Direct Jump */
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jump _skip1;
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_skip1:
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nop;
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/* Type 10: Conditional Jump */
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if eq jump _skip2;
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_skip2:
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nop;
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/* Type 10: Call */
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call _sub1;
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jump _after_sub;
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_sub1:
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nop;
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rts;
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_after_sub:
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/* Type 20: Return variants */
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nop;
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/* Type 11: DO UNTIL */
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cntr = 4;
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do _loop_end until ce;
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nop;
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_loop_end:
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nop;
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/* Type 15: Shift Immediate */
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sr = lshift si by 4 (hi);
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sr = ashift si by -2 (hi);
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/* Type 18: Mode Control */
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dis ar_sat;
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ena ar_sat;
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/* Type 25: Saturate */
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sat mr;
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/* Type 33: Reg3 = short constant */
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se = 0;
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/* Infinite loop */
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_halt:
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jump _halt;
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