mirror of
https://github.com/dingusdev/dingusppc.git
synced 2024-12-28 21:30:27 +00:00
172 lines
6.3 KiB
C
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
|