mirror of
https://github.com/Wiimpathy/HatariWii.git
synced 2024-06-03 00:58:44 +02:00
126 lines
3.0 KiB
C
126 lines
3.0 KiB
C
/*
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DSP M56001 emulation
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Instructions interpreter, execution thread
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(C) 2003-2008 ARAnyM developer team
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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 2 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, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef DSP_CPU_H
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#define DSP_CPU_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Defines */
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#define BITMASK(x) ((1<<(x))-1)
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#define DSP_OMR_MA 0x00
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#define DSP_OMR_MB 0x01
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#define DSP_OMR_DE 0x02
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#define DSP_OMR_SD 0x06
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#define DSP_OMR_EA 0x07
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#define DSP_SR_C 0x00
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#define DSP_SR_V 0x01
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#define DSP_SR_Z 0x02
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#define DSP_SR_N 0x03
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#define DSP_SR_U 0x04
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#define DSP_SR_E 0x05
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#define DSP_SR_L 0x06
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#define DSP_SR_I0 0x08
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#define DSP_SR_I1 0x09
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#define DSP_SR_S0 0x0a
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#define DSP_SR_S1 0x0b
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#define DSP_SR_T 0x0d
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#define DSP_SR_LF 0x0f
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#define DSP_SP_SE 0x04
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#define DSP_SP_UF 0x05
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/* Registers numbers in dsp.registers[] */
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#define DSP_REG_X0 0x04
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#define DSP_REG_X1 0x05
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#define DSP_REG_Y0 0x06
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#define DSP_REG_Y1 0x07
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#define DSP_REG_A0 0x08
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#define DSP_REG_B0 0x09
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#define DSP_REG_A2 0x0a
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#define DSP_REG_B2 0x0b
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#define DSP_REG_A1 0x0c
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#define DSP_REG_B1 0x0d
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#define DSP_REG_A 0x0e
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#define DSP_REG_B 0x0f
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#define DSP_REG_R0 0x10
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#define DSP_REG_R1 0x11
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#define DSP_REG_R2 0x12
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#define DSP_REG_R3 0x13
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#define DSP_REG_R4 0x14
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#define DSP_REG_R5 0x15
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#define DSP_REG_R6 0x16
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#define DSP_REG_R7 0x17
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#define DSP_REG_N0 0x18
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#define DSP_REG_N1 0x19
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#define DSP_REG_N2 0x1a
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#define DSP_REG_N3 0x1b
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#define DSP_REG_N4 0x1c
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#define DSP_REG_N5 0x1d
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#define DSP_REG_N6 0x1e
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#define DSP_REG_N7 0x1f
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#define DSP_REG_M0 0x20
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#define DSP_REG_M1 0x21
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#define DSP_REG_M2 0x22
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#define DSP_REG_M3 0x23
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#define DSP_REG_M4 0x24
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#define DSP_REG_M5 0x25
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#define DSP_REG_M6 0x26
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#define DSP_REG_M7 0x27
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#define DSP_REG_SR 0x39
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#define DSP_REG_OMR 0x3a
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#define DSP_REG_SP 0x3b
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#define DSP_REG_SSH 0x3c
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#define DSP_REG_SSL 0x3d
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#define DSP_REG_LA 0x3e
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#define DSP_REG_LC 0x3f
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#define DSP_REG_NULL 0x00
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#define DSP_REG_LCSAVE 0x30
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/* Memory spaces for dsp.ram[], dsp.rom[] */
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#define DSP_SPACE_X 0x00
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#define DSP_SPACE_Y 0x01
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#define DSP_SPACE_P 0x02
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/* Functions */
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extern void dsp56k_init_cpu(void); /* Set dsp_core to use */
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extern void dsp56k_execute_instruction(void); /* Execute 1 instruction */
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extern Uint16 dsp56k_execute_one_disasm_instruction(FILE *out, Uint16 pc); /* Execute 1 instruction in disasm mode */
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/* Interrupt relative functions */
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void dsp_add_interrupt(Uint16 inter);
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#ifdef __cplusplus
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}
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#endif
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#endif /* DSP_CPU_H */
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