/* DSP M56001 emulation Instructions interpreter, execution thread (C) 2003-2008 ARAnyM developer team 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 2 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, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef DSP_CPU_H #define DSP_CPU_H #ifdef __cplusplus extern "C" { #endif /* Defines */ #define BITMASK(x) ((1<<(x))-1) #define DSP_OMR_MA 0x00 #define DSP_OMR_MB 0x01 #define DSP_OMR_DE 0x02 #define DSP_OMR_SD 0x06 #define DSP_OMR_EA 0x07 #define DSP_SR_C 0x00 #define DSP_SR_V 0x01 #define DSP_SR_Z 0x02 #define DSP_SR_N 0x03 #define DSP_SR_U 0x04 #define DSP_SR_E 0x05 #define DSP_SR_L 0x06 #define DSP_SR_I0 0x08 #define DSP_SR_I1 0x09 #define DSP_SR_S0 0x0a #define DSP_SR_S1 0x0b #define DSP_SR_T 0x0d #define DSP_SR_LF 0x0f #define DSP_SP_SE 0x04 #define DSP_SP_UF 0x05 /* Registers numbers in dsp.registers[] */ #define DSP_REG_X0 0x04 #define DSP_REG_X1 0x05 #define DSP_REG_Y0 0x06 #define DSP_REG_Y1 0x07 #define DSP_REG_A0 0x08 #define DSP_REG_B0 0x09 #define DSP_REG_A2 0x0a #define DSP_REG_B2 0x0b #define DSP_REG_A1 0x0c #define DSP_REG_B1 0x0d #define DSP_REG_A 0x0e #define DSP_REG_B 0x0f #define DSP_REG_R0 0x10 #define DSP_REG_R1 0x11 #define DSP_REG_R2 0x12 #define DSP_REG_R3 0x13 #define DSP_REG_R4 0x14 #define DSP_REG_R5 0x15 #define DSP_REG_R6 0x16 #define DSP_REG_R7 0x17 #define DSP_REG_N0 0x18 #define DSP_REG_N1 0x19 #define DSP_REG_N2 0x1a #define DSP_REG_N3 0x1b #define DSP_REG_N4 0x1c #define DSP_REG_N5 0x1d #define DSP_REG_N6 0x1e #define DSP_REG_N7 0x1f #define DSP_REG_M0 0x20 #define DSP_REG_M1 0x21 #define DSP_REG_M2 0x22 #define DSP_REG_M3 0x23 #define DSP_REG_M4 0x24 #define DSP_REG_M5 0x25 #define DSP_REG_M6 0x26 #define DSP_REG_M7 0x27 #define DSP_REG_SR 0x39 #define DSP_REG_OMR 0x3a #define DSP_REG_SP 0x3b #define DSP_REG_SSH 0x3c #define DSP_REG_SSL 0x3d #define DSP_REG_LA 0x3e #define DSP_REG_LC 0x3f #define DSP_REG_NULL 0x00 #define DSP_REG_LCSAVE 0x30 /* Memory spaces for dsp.ram[], dsp.rom[] */ #define DSP_SPACE_X 0x00 #define DSP_SPACE_Y 0x01 #define DSP_SPACE_P 0x02 /* Functions */ extern void dsp56k_init_cpu(void); /* Set dsp_core to use */ extern void dsp56k_execute_instruction(void); /* Execute 1 instruction */ extern Uint16 dsp56k_execute_one_disasm_instruction(FILE *out, Uint16 pc); /* Execute 1 instruction in disasm mode */ /* Interrupt relative functions */ void dsp_add_interrupt(Uint16 inter); #ifdef __cplusplus } #endif #endif /* DSP_CPU_H */