Fix add sp, imm8 *sweatdrop*
[fpgaboy.git] / core / insn_ldh_ac.v
1 `define INSN_LDH_AC             9'b0111x0010    // Either LDH A,(C) or LDH (C),A
2
3 `ifdef EXECUTE
4         `INSN_LDH_AC: begin
5                 case (cycle)
6                 0:      if (opcode[4])  // LD A,(C)
7                                 `EXEC_READ(({8'hFF,`_C}))
8                         else
9                                 `EXEC_WRITE(({8'hFF,`_C}), `_A)
10                 1:      begin
11                                 `EXEC_NEWCYCLE
12                                 `EXEC_INC_PC
13                         end
14                 endcase
15         end
16 `endif
17
18 `ifdef WRITEBACK
19         `INSN_LDH_AC: begin
20                 case (cycle)
21                 0:      begin /* Type F */ end
22                 1:      if (opcode[4]) `_A <= rdata;
23                 endcase
24         end
25 `endif
26
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