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Add ld (bc/de),a, ld a,(bc/de)
[fpgaboy.git]
/
insn_ldbcde_a.v
1
`ifdef EXECUTE
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`INSN_LDBCDE_A: begin
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case (cycle)
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0: if (opcode[3]) begin
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if (opcode[4]) begin `EXEC_READ(`_DE) end
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else begin `EXEC_READ(`_BC) end
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end else begin
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if (opcode[4]) begin `EXEC_WRITE(`_DE, `_A) end
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else begin `EXEC_WRITE(`_BC, `_A) end
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end
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1: begin
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`EXEC_INC_PC
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`EXEC_NEWCYCLE
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end
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endcase
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end
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`endif
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`ifdef WRITEBACK
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`INSN_LDBCDE_A: begin
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case (cycle)
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0: begin end
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1: if (opcode[3]) `_A <= rdata;
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endcase
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end
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`endif
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