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https://github.com/dingusdev/dingusppc.git
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62 lines
2.5 KiB
C
62 lines
2.5 KiB
C
/*
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DingusPPC - The Experimental PowerPC Macintosh emulator
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Copyright (C) 2018-21 divingkatae and maximum
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(theweirdo) spatium
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(Contact divingkatae#1017 or powermax#2286 on Discord for more info)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef PPC_DEFS_H
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#define PPC_DEFS_H
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#include <cinttypes>
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#define GET_rD_rA_OFFS(opcode) \
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uint32_t reg_d = ((opcode) >> 21) & 31; \
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uint32_t reg_a = ((opcode) >> 16) & 31; \
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int32_t offs = (int32_t)((int16_t)((opcode) & 0xFFFF));
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#define GET_GPR(reg) ppc_state.gpr[(reg)]
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#define SET_GPR(reg, val) ppc_state.gpr[(reg)] = (val)
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#define GET_rD_iA_iB(opcode) \
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uint32_t reg_d = ((opcode) >> 21) & 31; \
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uint32_t imm_a = ppc_state.gpr[((opcode) >> 16) & 31]; \
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uint32_t imm_b = ppc_state.gpr[((opcode) >> 11) & 31];
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#define GET_rD_rA_iA_iB(opcode) \
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uint32_t reg_d = ((opcode) >> 21) & 31; \
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uint32_t reg_a = ((opcode) >> 16) & 31; \
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uint32_t imm_a = ppc_state.gpr[reg_a]; \
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uint32_t imm_b = ppc_state.gpr[((opcode) >> 11) & 31];
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#define GET_rA_iS(opcode) \
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uint32_t reg_a = ((opcode) >> 16) & 31; \
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uint32_t imm_d = ppc_state.gpr[((opcode) >> 21) & 31];
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#define GET_rS_rA_OFFS(opcode) \
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uint32_t reg_s = ((opcode) >> 21) & 31; \
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uint32_t reg_a = ((opcode) >> 16) & 31; \
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int32_t offs = (int32_t)((int16_t)((opcode) & 0xFFFF));
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#define GET_rS_rA_iA_iB(opcode) \
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uint32_t reg_s = ((opcode) >> 21) & 31; \
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uint32_t reg_a = ((opcode) >> 16) & 31; \
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uint32_t imm_a = ppc_state.gpr[reg_a]; \
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uint32_t imm_b = ppc_state.gpr[((opcode) >> 11) & 31];
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#endif // PPC_DEFS_H
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