dingusppc/cpu/ppc/ppcmacros.h
2024-03-24 17:24:36 -07:00

172 lines
6.3 KiB
C

/*
DingusPPC - The Experimental PowerPC Macintosh emulator
Copyright (C) 2018-24 divingkatae and maximum
(theweirdo) spatium
(Contact divingkatae#1017 or powermax#2286 on Discord for more info)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PPC_MACROS_H
#define PPC_MACROS_H
#include <cinttypes>
#define ppc_grab_regsdasimm(opcode) \
int reg_d = (opcode >> 21) & 31; \
int reg_a = (opcode >> 16) & 31; \
int32_t simm = int32_t(int16_t(opcode)); \
uint32_t ppc_result_a = ppc_state.gpr[reg_a];
#define ppc_grab_regsdauimm(opcode) \
int reg_d = (opcode >> 21) & 31; \
int reg_a = (opcode >> 16) & 31; \
uint32_t uimm = uint16_t(opcode); \
uint32_t ppc_result_a = ppc_state.gpr[reg_a];
# define ppc_grab_regsasimm(opcode) \
int reg_a = (opcode >> 16) & 31; \
int32_t simm = int32_t(int16_t(opcode)); \
uint32_t ppc_result_a = ppc_state.gpr[reg_a];
# define ppc_grab_regssauimm(opcode) \
int reg_s = (opcode >> 21) & 31; \
int reg_a = (opcode >> 16) & 31; \
uint32_t uimm = uint16_t(opcode); \
uint32_t ppc_result_d = ppc_state.gpr[reg_s]; \
uint32_t ppc_result_a = ppc_state.gpr[reg_a];
#define ppc_grab_dab(opcode) \
int reg_d = (opcode >> 21) & 31; \
int reg_a = (opcode >> 16) & 31; \
int reg_b = (opcode >> 11) & 31;
#define ppc_grab_regsdab(opcode) \
int reg_d = (opcode >> 21) & 31; \
uint32_t reg_a = (opcode >> 16) & 31; \
uint32_t reg_b = (opcode >> 11) & 31; \
uint32_t ppc_result_a = ppc_state.gpr[reg_a]; \
uint32_t ppc_result_b = ppc_state.gpr[reg_b];
#define ppc_grab_regssab(opcode) \
uint32_t reg_s = (opcode >> 21) & 31; \
uint32_t reg_a = (opcode >> 16) & 31; \
uint32_t reg_b = (opcode >> 11) & 31; \
uint32_t ppc_result_d = ppc_state.gpr[reg_s]; \
uint32_t ppc_result_a = ppc_state.gpr[reg_a]; \
uint32_t ppc_result_b = ppc_state.gpr[reg_b]; \
#define ppc_grab_regssa(opcode) \
uint32_t reg_s = (opcode >> 21) & 31; \
uint32_t reg_a = (opcode >> 16) & 31; \
uint32_t ppc_result_d = ppc_state.gpr[reg_s]; \
uint32_t ppc_result_a = ppc_state.gpr[reg_a];
#define ppc_grab_regssb(opcode) \
uint32_t reg_s = (opcode >> 21) & 31; \
uint32_t reg_b = (opcode >> 11) & 31; \
uint32_t ppc_result_d = ppc_state.gpr[reg_s]; \
uint32_t ppc_result_b = ppc_state.gpr[reg_b]; \
#define ppc_grab_regsda(opcode) \
int reg_d = (opcode >> 21) & 31; \
uint32_t reg_a = (opcode >> 16) & 31; \
uint32_t ppc_result_a = ppc_state.gpr[reg_a];
#define ppc_grab_regsdb(opcode) \
int reg_d = (opcode >> 21) & 31; \
uint32_t reg_b = (opcode >> 11) & 31; \
uint32_t ppc_result_b = ppc_state.gpr[reg_b];
#define ppc_store_iresult_reg(reg, ppc_result)\
ppc_state.gpr[(reg)] = ppc_result;
#define ppc_store_sfpresult_int(reg, ppc_result64_d)\
ppc_state.fpr[(reg)].int64_r = ppc_result64_d;
#define ppc_store_sfpresult_flt(reg, ppc_dblresult64_d)\
ppc_state.fpr[(reg)].dbl64_r = ppc_dblresult64_d;
#define ppc_store_dfpresult_int(reg, ppc_result64_d)\
ppc_state.fpr[(reg)].int64_r = ppc_result64_d;
#define ppc_store_dfpresult_flt(reg, ppc_dblresult64_d)\
ppc_state.fpr[(reg)].dbl64_r = ppc_dblresult64_d;
#define ppc_grab_regsfpdb(opcode) \
int reg_d = (opcode >> 21) & 31; \
int reg_b = (opcode >> 11) & 31;
#define GET_FPR(reg) \
ppc_state.fpr[(reg)].dbl64_r
#define ppc_grab_regsfpdiab(opcode) \
int reg_d = (opcode >> 21) & 31; \
int reg_a = (opcode >> 16) & 31; \
int reg_b = (opcode >> 11) & 31; \
uint32_t val_reg_a = ppc_state.gpr[reg_a]; \
uint32_t val_reg_b = ppc_state.gpr[reg_b];
#define ppc_grab_regsfpdia(opcode) \
int reg_d = (opcode >> 21) & 31; \
int reg_a = (opcode >> 16) & 31; \
uint32_t val_reg_a = ppc_state.gpr[reg_a];
#define ppc_grab_regsfpsia(opcode) \
int reg_s = (opcode >> 21) & 31; \
int reg_a = (opcode >> 16) & 31; \
uint32_t val_reg_a = ppc_state.gpr[reg_a];
#define ppc_grab_regsfpsiab(opcode) \
int reg_s = (opcode >> 21) & 31; \
int reg_a = (opcode >> 16) & 31; \
int reg_b = (opcode >> 11) & 31; \
uint32_t val_reg_a = ppc_state.gpr[reg_a]; \
uint32_t val_reg_b = ppc_state.gpr[reg_b];
#define ppc_grab_regsfpsab(opcode) \
int reg_a = (opcode >> 16) & 31; \
int reg_b = (opcode >> 11) & 31; \
int crf_d = (opcode >> 21) & 0x1C; \
double db_test_a = GET_FPR(reg_a); \
double db_test_b = GET_FPR(reg_b);
#define ppc_grab_regsfpdab(opcode) \
int reg_d = (opcode >> 21) & 31; \
int reg_a = (opcode >> 16) & 31; \
int reg_b = (opcode >> 11) & 31; \
double val_reg_a = GET_FPR(reg_a); \
double val_reg_b = GET_FPR(reg_b);
#define ppc_grab_regsfpdac(opcode) \
int reg_d = (opcode >> 21) & 31; \
int reg_a = (opcode >> 16) & 31; \
int reg_c = (opcode >> 6) & 31; \
double val_reg_a = GET_FPR(reg_a); \
double val_reg_c = GET_FPR(reg_c);
#define ppc_grab_regsfpdabc(opcode) \
int reg_d = (opcode >> 21) & 31; \
int reg_a = (opcode >> 16) & 31; \
int reg_b = (opcode >> 11) & 31; \
int reg_c = (opcode >> 6) & 31; \
double val_reg_a = GET_FPR(reg_a); \
double val_reg_b = GET_FPR(reg_b); \
double val_reg_c = GET_FPR(reg_c);
#endif // PPC_MACROS_H