mirror of https://github.com/xemu-project/xemu.git
wip some instructions, cleanups
This commit is contained in:
espes
parent
fb5e9617a9
commit
1017e21968
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@ -1,6 +1,8 @@
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/*
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DSP56300 emulation
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Copyright (c) 2015 espes
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Adapted from Hatari DSP M56001 emulation
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(C) 2001-2008 ARAnyM developer team
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Adaption to Hatari (C) 2008 by Thomas Huth
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@ -1,6 +1,8 @@
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/*
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DSP56300 emulation
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Copyright (c) 2015 espes
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Adapted from Hatari DSP M56001 emulation
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(C) 2001-2008 ARAnyM developer team
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Adaption to Hatari (C) 2008 by Thomas Huth
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@ -64,7 +64,7 @@ static uint32_t cur_inst;
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/* DSP is in disasm mode ? */
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/* If yes, stack overflow, underflow and illegal instructions messages are not displayed */
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static bool isDsp_in_disasm_mode;
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static bool is_dsp_in_disasm_mode;
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static char str_disasm_memory[2][50]; /* Buffer for memory change text in disasm mode */
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static uint32_t disasm_memory_ptr; /* Pointer for memory change in disasm mode */
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@ -179,6 +179,9 @@ static void dsp_movep_0(void);
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static void dsp_movep_1(void);
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static void dsp_movep_23(void);
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static void dsp_movep_x_low(void);
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static void dsp_movex_a(void);
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/* Parallel move analyzer */
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static int dsp_pm_read_accu24(int numreg, uint32_t *dest);
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static void dsp_pm_0(void);
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@ -466,14 +469,14 @@ static const dsp_emul_t opcodes8h[512] = {
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dsp_norm, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
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/* 0x40 - 0x7f */
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dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
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dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
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dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
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dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
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dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
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dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
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dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
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dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
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dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_movex_a, dsp_undefined, dsp_movex_a, dsp_undefined,
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dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_movex_a, dsp_undefined, dsp_movex_a, dsp_undefined,
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dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_movex_a, dsp_undefined, dsp_movex_a, dsp_undefined,
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dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_undefined, dsp_undefined, dsp_movex_a, dsp_undefined,
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dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_movex_a, dsp_undefined, dsp_movex_a, dsp_undefined,
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dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_movex_a, dsp_undefined, dsp_movex_a, dsp_undefined,
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dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_movex_a, dsp_undefined, dsp_undefined, dsp_undefined,
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dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_movex_a, dsp_undefined, dsp_movex_a, dsp_undefined,
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/* 0x80 - 0xbf */
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dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
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@ -486,14 +489,14 @@ static const dsp_emul_t opcodes8h[512] = {
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dsp_undefined, dsp_movec_ea, dsp_undefined, dsp_movec_ea, dsp_undefined, dsp_movec_imm, dsp_undefined, dsp_undefined,
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/* 0xc0 - 0xff */
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dsp_do_aa, dsp_rep_aa, dsp_do_aa, dsp_rep_aa, dsp_do_imm, dsp_rep_imm, dsp_undefined, dsp_undefined,
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dsp_do_ea, dsp_rep_ea, dsp_do_ea, dsp_rep_ea, dsp_do_imm, dsp_rep_imm, dsp_undefined, dsp_undefined,
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dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_do_imm, dsp_rep_imm, dsp_undefined, dsp_undefined,
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dsp_do_reg, dsp_rep_reg, dsp_undefined, dsp_undefined, dsp_do_imm, dsp_rep_imm, dsp_undefined, dsp_undefined,
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dsp_movem_aa, dsp_movem_aa, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
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dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_movem_ea, dsp_movem_ea, dsp_undefined, dsp_undefined,
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dsp_movem_aa, dsp_movem_aa, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
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dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_movem_ea, dsp_movem_ea, dsp_undefined, dsp_undefined,
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/* 0xc0 */ dsp_do_aa, dsp_rep_aa, dsp_do_aa, dsp_rep_aa, dsp_do_imm, dsp_rep_imm, dsp_undefined, dsp_undefined,
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/* 0xc8 */ dsp_do_ea, dsp_rep_ea, dsp_do_ea, dsp_rep_ea, dsp_do_imm, dsp_rep_imm, dsp_undefined, dsp_undefined,
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/* 0xd0 */ dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_do_imm, dsp_rep_imm, dsp_undefined, dsp_undefined,
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/* 0xd8 */ dsp_do_reg, dsp_rep_reg, dsp_undefined, dsp_undefined, dsp_do_imm, dsp_rep_imm, dsp_undefined, dsp_undefined,
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/* 0xe0 */ dsp_movem_aa, dsp_movem_aa, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
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/* 0xe8 */ dsp_movep_x_low, dsp_movep_x_low, dsp_movep_x_low, dsp_movep_x_low, dsp_movem_ea, dsp_movem_ea, dsp_undefined, dsp_undefined,
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/* 0xf0 */ dsp_movem_aa, dsp_movem_aa, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
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/* 0xf8 */ dsp_movep_x_low, dsp_movep_x_low, dsp_movep_x_low, dsp_movep_x_low, dsp_movem_ea, dsp_movem_ea, dsp_undefined, dsp_undefined,
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/* 0x100 - 0x13f */
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dsp_pm_0, dsp_pm_0, dsp_pm_0, dsp_pm_0, dsp_pm_0, dsp_pm_0, dsp_pm_0, dsp_pm_0,
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@ -650,7 +653,7 @@ static const dsp_interrupt_t dsp_interrupt[12] = {
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void dsp56k_init_cpu(void)
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{
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dsp56k_disasm_init();
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isDsp_in_disasm_mode = false;
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is_dsp_in_disasm_mode = false;
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// start_time = SDL_GetTicks();
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num_inst = 0;
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}
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@ -668,7 +671,7 @@ uint16_t dsp56k_execute_one_disasm_instruction(FILE *out, uint32_t pc)
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ptr2 = &dsp_core_save;
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/* Set DSP in disasm mode */
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isDsp_in_disasm_mode = true;
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is_dsp_in_disasm_mode = true;
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/* Save DSP context before executing instruction */
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memcpy(ptr2, ptr1, sizeof(dsp_core));
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@ -688,7 +691,7 @@ uint16_t dsp56k_execute_one_disasm_instruction(FILE *out, uint32_t pc)
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memcpy(ptr1, ptr2, sizeof(dsp_core));
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/* Unset DSP in disasm mode */
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isDsp_in_disasm_mode = false;
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is_dsp_in_disasm_mode = false;
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return instruction_length;
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}
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@ -709,7 +712,7 @@ void dsp56k_execute_instruction(void)
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/* Disasm current instruction ? (trace mode only) */
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if (TRACE_DSP_DISASM) {
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/* Call dsp56k_disasm only when DSP is called in trace mode */
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if (isDsp_in_disasm_mode == false) {
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if (is_dsp_in_disasm_mode == false) {
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disasm_return = dsp56k_disasm(DSP_TRACE_MODE);
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if (disasm_return != 0 && TRACE_DSP_DISASM_REG) {
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@ -720,8 +723,10 @@ void dsp56k_execute_instruction(void)
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}
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if (cur_inst < 0x100000) {
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// 000011111100000011100000
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value = (cur_inst >> 11) & (BITMASK(6) << 3);
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value += (cur_inst >> 5) & BITMASK(3);
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printf("0x%06x - 0x%02x\n", cur_inst, value);
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opcodes8h[value]();
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} else {
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/* Do parallel move read */
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@ -731,7 +736,7 @@ void dsp56k_execute_instruction(void)
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/* Disasm current instruction ? (trace mode only) */
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if (TRACE_DSP_DISASM) {
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/* Display only when DSP is called in trace mode */
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if (isDsp_in_disasm_mode == false) {
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if (is_dsp_in_disasm_mode == false) {
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if (disasm_return != 0) {
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fprintf(stderr, "%s", dsp56k_get_instruction_text());
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@ -1087,7 +1092,8 @@ uint32_t dsp56k_read_memory(int space, uint32_t address)
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if (space == DSP_SPACE_X) {
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if (address >= DSP_PERIPH_BASE) {
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assert(false);
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// assert(false);
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return 0xababa;
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}
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assert(address < DSP_XRAM_SIZE);
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return dsp_core.xram[address];
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@ -1117,7 +1123,7 @@ static void write_memory_peripheral(uint32_t address, uint32_t value) {
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assert((value & 0xFF000000) == 0);
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assert((address & 0xFF000000) == 0);
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assert(false);
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// assert(false);
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}
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static void write_memory_raw(int space, uint32_t address, uint32_t value)
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@ -1128,6 +1134,7 @@ static void write_memory_raw(int space, uint32_t address, uint32_t value)
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if (space == DSP_SPACE_X) {
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if (address >= DSP_PERIPH_BASE) {
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write_memory_peripheral(address, value);
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return;
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}
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assert(address < DSP_XRAM_SIZE);
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dsp_core.xram[address] = value;
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@ -1197,7 +1204,7 @@ static void dsp_write_reg(uint32_t numreg, uint32_t value)
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/* Stack underflow or overflow detected, raise interrupt */
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dsp56k_add_interrupt(DSP_INTER_STACK_ERROR);
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dsp_core.registers[DSP_REG_SP] = value & (3<<DSP_SP_SE);
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if (!isDsp_in_disasm_mode)
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if (!is_dsp_in_disasm_mode)
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fprintf(stderr,"Dsp: Stack Overflow or Underflow\n");
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if (bExceptionDebugging)
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assert(false);
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@ -1240,7 +1247,7 @@ static void dsp_stack_push(uint32_t curpc, uint32_t cursr, uint16_t sshOnly)
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if ((stack_error==0) && (stack & (1<<DSP_SP_SE))) {
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/* Stack full, raise interrupt */
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dsp56k_add_interrupt(DSP_INTER_STACK_ERROR);
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if (!isDsp_in_disasm_mode)
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if (!is_dsp_in_disasm_mode)
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fprintf(stderr,"Dsp: Stack Overflow\n");
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if (bExceptionDebugging)
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assert(false);
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@ -1277,7 +1284,7 @@ static void dsp_stack_pop(uint32_t *newpc, uint32_t *newsr)
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if ((stack_error==0) && (stack & (1<<DSP_SP_SE))) {
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/* Stack empty*/
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dsp56k_add_interrupt(DSP_INTER_STACK_ERROR);
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if (!isDsp_in_disasm_mode)
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if (!is_dsp_in_disasm_mode)
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fprintf(stderr,"Dsp: Stack underflow\n");
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if (bExceptionDebugging)
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assert(false);
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@ -1587,7 +1594,7 @@ static void opcode8h_0(void)
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static void dsp_undefined(void)
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{
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if (isDsp_in_disasm_mode == false) {
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if (is_dsp_in_disasm_mode == false) {
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cur_inst_len = 0;
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fprintf(stderr, "Dsp: 0x%04x: 0x%06x Illegal instruction\n",dsp_core.pc, cur_inst);
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/* Add some artificial CPU cycles to avoid being stuck in an infinite loop */
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@ -1682,7 +1689,7 @@ static void dsp_bchg_pp(void)
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value = (cur_inst>>8) & BITMASK(6);
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numbit = cur_inst & BITMASK(5);
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addr = 0xffc0 + value;
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addr = 0xffffc0 + value;
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value = dsp56k_read_memory(memspace, addr);
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newcarry = (value>>numbit) & 1;
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if (newcarry) {
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@ -1777,7 +1784,7 @@ static void dsp_bclr_pp(void)
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value = (cur_inst>>8) & BITMASK(6);
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numbit = cur_inst & BITMASK(5);
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addr = 0xffc0 + value;
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addr = 0xffffc0 + value;
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value = dsp56k_read_memory(memspace, addr);
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newcarry = (value>>numbit) & 1;
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value &= 0xffffffff-(1<<numbit);
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@ -1864,7 +1871,7 @@ static void dsp_bset_pp(void)
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memspace = (cur_inst>>6) & 1;
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value = (cur_inst>>8) & BITMASK(6);
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numbit = cur_inst & BITMASK(5);
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addr = 0xffc0 + value;
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addr = 0xffffc0 + value;
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value = dsp56k_read_memory(memspace, addr);
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newcarry = (value>>numbit) & 1;
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value |= (1<<numbit);
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@ -1948,7 +1955,7 @@ static void dsp_btst_pp(void)
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value = (cur_inst>>8) & BITMASK(6);
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numbit = cur_inst & BITMASK(5);
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addr = 0xffc0 + value;
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addr = 0xffffc0 + value;
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value = dsp56k_read_memory(memspace, addr);
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newcarry = (value>>numbit) & 1;
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@ -2225,7 +2232,7 @@ static void dsp_jclr_pp(void)
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memspace = (cur_inst>>6) & 1;
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value = (cur_inst>>8) & BITMASK(6);
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numbit = cur_inst & BITMASK(5);
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addr = 0xffc0 + value;
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addr = 0xffffc0 + value;
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value = dsp56k_read_memory(memspace, addr);
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newaddr = read_memory_p(dsp_core.pc+1);
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@ -2368,7 +2375,7 @@ static void dsp_jsclr_pp(void)
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memspace = (cur_inst>>6) & 1;
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value = (cur_inst>>8) & BITMASK(6);
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numbit = cur_inst & BITMASK(5);
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addr = 0xffc0 + value;
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addr = 0xffffc0 + value;
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value = dsp56k_read_memory(memspace, addr);
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newaddr = read_memory_p(dsp_core.pc+1);
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@ -2460,7 +2467,7 @@ static void dsp_jset_pp(void)
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memspace = (cur_inst>>6) & 1;
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value = (cur_inst>>8) & BITMASK(6);
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numbit = cur_inst & BITMASK(5);
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addr = 0xffc0 + value;
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addr = 0xffffc0 + value;
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value = dsp56k_read_memory(memspace, addr);
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newaddr = read_memory_p(dsp_core.pc+1);
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@ -2590,7 +2597,7 @@ static void dsp_jsset_pp(void)
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memspace = (cur_inst>>6) & 1;
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value = (cur_inst>>8) & BITMASK(6);
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numbit = cur_inst & BITMASK(5);
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addr = 0xffc0 + value;
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addr = 0xffffc0 + value;
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value = dsp56k_read_memory(memspace, addr);
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newaddr = read_memory_p(dsp_core.pc+1);
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@ -2846,7 +2853,7 @@ static void dsp_movep_0(void)
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uint32_t addr, memspace, numreg, value, dummy;
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addr = 0xffc0 + (cur_inst & BITMASK(6));
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addr = 0xffffc0 + (cur_inst & BITMASK(6));
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memspace = (cur_inst>>16) & 1;
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numreg = (cur_inst>>8) & BITMASK(6);
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@ -2881,7 +2888,7 @@ static void dsp_movep_1(void)
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uint32_t xyaddr, memspace, paddr;
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xyaddr = 0xffc0 + (cur_inst & BITMASK(6));
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xyaddr = 0xffffc0 + (cur_inst & BITMASK(6));
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dsp_calc_ea((cur_inst>>8) & BITMASK(6), &paddr);
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memspace = (cur_inst>>16) & 1;
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@ -2915,7 +2922,7 @@ static void dsp_movep_23(void)
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uint32_t addr, peraddr, easpace, perspace, ea_mode;
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int retour;
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peraddr = 0xffc0 + (cur_inst & BITMASK(6));
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peraddr = 0xffffc0 + (cur_inst & BITMASK(6));
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perspace = (cur_inst>>16) & 1;
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ea_mode = (cur_inst>>8) & BITMASK(6);
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@ -2938,6 +2945,32 @@ static void dsp_movep_23(void)
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dsp_core.instr_cycle += 2;
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}
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static void dsp_movep_x_low(void) {
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// 00000111W1MMMRRR0sqqqqqq
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uint32_t addr, peraddr, easpace, ea_mode;
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int retour;
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peraddr = 0xffff80 + (cur_inst & BITMASK(6));
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ea_mode = (cur_inst>>8) & BITMASK(6);
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easpace = (cur_inst>>6) & 1;
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retour = dsp_calc_ea(ea_mode, &addr);
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// TODO
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dsp_core.instr_cycle += 2; // ???
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||||
}
|
||||
|
||||
static void dsp_movex_a(void) {
|
||||
// 0000001aaaaaaRRR1a0WDDDD
|
||||
int W = (cur_inst >> 4) & 1;
|
||||
int a = (((cur_inst >> 11) & BITMASK(6)) << 1)
|
||||
+ ((cur_inst >> 6) & 1);
|
||||
//QQQ
|
||||
dsp_core.instr_cycle += 2; //???
|
||||
}
|
||||
|
||||
static void dsp_norm(void)
|
||||
{
|
||||
uint32_t cursr,cur_e, cur_euz, dest[3], numreg, rreg;
|
||||
|
|
|
|||
|
|
@ -1,6 +1,8 @@
|
|||
/*
|
||||
DSP56300 Disassembler
|
||||
|
||||
Copyright (c) 2015 espes
|
||||
|
||||
Adapted from Hatari DSP M56001 Disassembler
|
||||
(C) 2003-2008 ARAnyM developer team
|
||||
|
||||
|
|
@ -180,6 +182,9 @@ static void dsp_movep_0(void);
|
|||
static void dsp_movep_1(void);
|
||||
static void dsp_movep_23(void);
|
||||
|
||||
static void dsp_movep_x_low(void);
|
||||
static void dsp_movex_a(void);
|
||||
|
||||
/* Parallel moves */
|
||||
static void dsp_pm_class2(void);
|
||||
static void dsp_pm(void);
|
||||
|
|
@ -202,14 +207,14 @@ static const dsp_emul_t opcodes8h[512] = {
|
|||
dsp_norm, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
|
||||
|
||||
/* 0x40 - 0x7f */
|
||||
dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
|
||||
dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
|
||||
dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
|
||||
dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
|
||||
dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
|
||||
dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
|
||||
dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
|
||||
dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
|
||||
dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_movex_a, dsp_undefined, dsp_movex_a, dsp_undefined,
|
||||
dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_movex_a, dsp_undefined, dsp_movex_a, dsp_undefined,
|
||||
dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_movex_a, dsp_undefined, dsp_movex_a, dsp_undefined,
|
||||
dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_undefined, dsp_undefined, dsp_movex_a, dsp_undefined,
|
||||
dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_movex_a, dsp_undefined, dsp_movex_a, dsp_undefined,
|
||||
dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_movex_a, dsp_undefined, dsp_movex_a, dsp_undefined,
|
||||
dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_movex_a, dsp_undefined, dsp_undefined, dsp_undefined,
|
||||
dsp_tcc, dsp_tcc, dsp_tcc, dsp_tcc, dsp_movex_a, dsp_undefined, dsp_movex_a, dsp_undefined,
|
||||
|
||||
/* 0x80 - 0xbf */
|
||||
dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
|
||||
|
|
@ -222,14 +227,14 @@ static const dsp_emul_t opcodes8h[512] = {
|
|||
dsp_undefined, dsp_movec_ea, dsp_undefined, dsp_movec_ea, dsp_undefined, dsp_movec_imm, dsp_undefined, dsp_undefined,
|
||||
|
||||
/* 0xc0 - 0xff */
|
||||
dsp_do_aa, dsp_rep_aa, dsp_do_aa, dsp_rep_aa, dsp_do_imm, dsp_rep_imm, dsp_undefined, dsp_undefined,
|
||||
dsp_do_ea, dsp_rep_ea, dsp_do_ea, dsp_rep_ea, dsp_do_imm, dsp_rep_imm, dsp_undefined, dsp_undefined,
|
||||
dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_do_imm, dsp_rep_imm, dsp_undefined, dsp_undefined,
|
||||
dsp_do_reg, dsp_rep_reg, dsp_undefined, dsp_undefined, dsp_do_imm, dsp_rep_imm, dsp_undefined, dsp_undefined,
|
||||
dsp_movem_aa, dsp_movem_aa, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
|
||||
dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_movem_ea, dsp_movem_ea, dsp_undefined, dsp_undefined,
|
||||
dsp_movem_aa, dsp_movem_aa, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
|
||||
dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_movem_ea, dsp_movem_ea, dsp_undefined, dsp_undefined,
|
||||
/* 0xc0 */ dsp_do_aa, dsp_rep_aa, dsp_do_aa, dsp_rep_aa, dsp_do_imm, dsp_rep_imm, dsp_undefined, dsp_undefined,
|
||||
/* 0xc8 */ dsp_do_ea, dsp_rep_ea, dsp_do_ea, dsp_rep_ea, dsp_do_imm, dsp_rep_imm, dsp_undefined, dsp_undefined,
|
||||
/* 0xd0 */ dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_do_imm, dsp_rep_imm, dsp_undefined, dsp_undefined,
|
||||
/* 0xd8 */ dsp_do_reg, dsp_rep_reg, dsp_undefined, dsp_undefined, dsp_do_imm, dsp_rep_imm, dsp_undefined, dsp_undefined,
|
||||
/* 0xe0 */ dsp_movem_aa, dsp_movem_aa, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
|
||||
/* 0xe8 */ dsp_movep_x_low, dsp_movep_x_low, dsp_movep_x_low, dsp_movep_x_low, dsp_movem_ea, dsp_movem_ea, dsp_undefined, dsp_undefined,
|
||||
/* 0xf0 */ dsp_movem_aa, dsp_movem_aa, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined, dsp_undefined,
|
||||
/* 0xf8 */ dsp_movep_x_low, dsp_movep_x_low, dsp_movep_x_low, dsp_movep_x_low, dsp_movem_ea, dsp_movem_ea, dsp_undefined, dsp_undefined,
|
||||
|
||||
/* 0x100 - 0x13f */
|
||||
dsp_pm_class2, dsp_pm_class2, dsp_pm_class2, dsp_pm_class2, dsp_pm_class2, dsp_pm_class2, dsp_pm_class2, dsp_pm_class2,
|
||||
|
|
@ -752,9 +757,9 @@ static void dsp_bchg_pp(void)
|
|||
numbit = cur_inst & BITMASK(5);
|
||||
|
||||
if (memspace) {
|
||||
sprintf(name,"y:$%04x",value+0xffc0);
|
||||
sprintf(name,"y:$%06x",value+0xffffc0);
|
||||
} else {
|
||||
sprintf(name,"x:$%04x",value+0xffc0);
|
||||
sprintf(name,"x:$%06x",value+0xffffc0);
|
||||
}
|
||||
|
||||
sprintf(str_instr,"bchg #%d,%s", numbit, name);
|
||||
|
|
@ -824,9 +829,9 @@ static void dsp_bclr_pp(void)
|
|||
numbit = cur_inst & BITMASK(5);
|
||||
|
||||
if (memspace) {
|
||||
sprintf(name,"y:$%04x",value+0xffc0);
|
||||
sprintf(name,"y:$%06x",value+0xffffc0);
|
||||
} else {
|
||||
sprintf(name,"x:$%04x",value+0xffc0);
|
||||
sprintf(name,"x:$%06x",value+0xffffc0);
|
||||
}
|
||||
|
||||
sprintf(str_instr,"bclr #%d,%s", numbit, name);
|
||||
|
|
@ -896,9 +901,9 @@ static void dsp_bset_pp(void)
|
|||
numbit = cur_inst & BITMASK(5);
|
||||
|
||||
if (memspace) {
|
||||
sprintf(name,"y:$%04x",value+0xffc0);
|
||||
sprintf(name,"y:$%06x",value+0xffffc0);
|
||||
} else {
|
||||
sprintf(name,"x:$%04x",value+0xffc0);
|
||||
sprintf(name,"x:$%06x",value+0xffffc0);
|
||||
}
|
||||
|
||||
sprintf(str_instr,"bset #%d,%s", numbit, name);
|
||||
|
|
@ -968,9 +973,9 @@ static void dsp_btst_pp(void)
|
|||
numbit = cur_inst & BITMASK(5);
|
||||
|
||||
if (memspace) {
|
||||
sprintf(name,"y:$%04x",value+0xffc0);
|
||||
sprintf(name,"y:$%06x",value+0xffffc0);
|
||||
} else {
|
||||
sprintf(name,"x:$%04x",value+0xffc0);
|
||||
sprintf(name,"x:$%06x",value+0xffffc0);
|
||||
}
|
||||
|
||||
sprintf(str_instr,"btst #%d,%s", numbit, name);
|
||||
|
|
@ -1170,11 +1175,11 @@ static void dsp_jclr_pp(void)
|
|||
value = (cur_inst>>8) & BITMASK(6);
|
||||
numbit = cur_inst & BITMASK(5);
|
||||
|
||||
value += 0xffc0;
|
||||
value += 0xffffc0;
|
||||
if (memspace) {
|
||||
sprintf(srcname, "y:$%04x", value);
|
||||
sprintf(srcname, "y:$%06x", value);
|
||||
} else {
|
||||
sprintf(srcname, "x:$%04x", value);
|
||||
sprintf(srcname, "x:$%06x", value);
|
||||
}
|
||||
|
||||
sprintf(str_instr,"jclr #%d,%s,p:$%04x",
|
||||
|
|
@ -1305,11 +1310,11 @@ static void dsp_jsclr_pp(void)
|
|||
value = (cur_inst>>8) & BITMASK(6);
|
||||
numbit = cur_inst & BITMASK(5);
|
||||
|
||||
value += 0xffc0;
|
||||
value += 0xffffc0;
|
||||
if (memspace) {
|
||||
sprintf(srcname, "y:$%04x", value);
|
||||
sprintf(srcname, "y:$%06x", value);
|
||||
} else {
|
||||
sprintf(srcname, "x:$%04x", value);
|
||||
sprintf(srcname, "x:$%06x", value);
|
||||
}
|
||||
|
||||
sprintf(str_instr,"jsclr #%d,%s,p:$%04x",
|
||||
|
|
@ -1402,11 +1407,11 @@ static void dsp_jset_pp(void)
|
|||
value = (cur_inst>>8) & BITMASK(6);
|
||||
numbit = cur_inst & BITMASK(5);
|
||||
|
||||
value += 0xffc0;
|
||||
value += 0xffffc0;
|
||||
if (memspace) {
|
||||
sprintf(srcname, "y:$%04x", value);
|
||||
sprintf(srcname, "y:$%06x", value);
|
||||
} else {
|
||||
sprintf(srcname, "x:$%04x", value);
|
||||
sprintf(srcname, "x:$%06x", value);
|
||||
}
|
||||
|
||||
sprintf(str_instr,"jset #%d,%s,p:$%04x",
|
||||
|
|
@ -1513,11 +1518,11 @@ static void dsp_jsset_pp(void)
|
|||
value = (cur_inst>>8) & BITMASK(6);
|
||||
numbit = cur_inst & BITMASK(5);
|
||||
|
||||
value += 0xffc0;
|
||||
value += 0xffffc0;
|
||||
if (memspace) {
|
||||
sprintf(srcname, "y:$%04x", value);
|
||||
sprintf(srcname, "y:$%06x", value);
|
||||
} else {
|
||||
sprintf(srcname, "x:$%04x", value);
|
||||
sprintf(srcname, "x:$%06x", value);
|
||||
}
|
||||
|
||||
sprintf(str_instr,"jsset #%d,%s,p:$%04x",
|
||||
|
|
@ -1715,7 +1720,7 @@ static void dsp_movep_0(void)
|
|||
/* S,y:pp */
|
||||
/* y:pp,D */
|
||||
|
||||
addr = 0xffc0 + (cur_inst & BITMASK(6));
|
||||
addr = 0xffffc0 + (cur_inst & BITMASK(6));
|
||||
memspace = (cur_inst>>16) & 1;
|
||||
numreg = (cur_inst>>8) & BITMASK(6);
|
||||
|
||||
|
|
@ -1725,17 +1730,17 @@ static void dsp_movep_0(void)
|
|||
strcpy(srcname, registers_name[numreg]);
|
||||
|
||||
if (memspace) {
|
||||
sprintf(dstname, "y:$%04x", addr);
|
||||
sprintf(dstname, "y:$%06x", addr);
|
||||
} else {
|
||||
sprintf(dstname, "x:$%04x", addr);
|
||||
sprintf(dstname, "x:$%06x", addr);
|
||||
}
|
||||
} else {
|
||||
/* Read pp */
|
||||
|
||||
if (memspace) {
|
||||
sprintf(srcname, "y:$%04x", addr);
|
||||
sprintf(srcname, "y:$%06x", addr);
|
||||
} else {
|
||||
sprintf(srcname, "x:$%04x", addr);
|
||||
sprintf(srcname, "x:$%06x", addr);
|
||||
}
|
||||
|
||||
strcpy(dstname, registers_name[numreg]);
|
||||
|
|
@ -1754,7 +1759,7 @@ static void dsp_movep_1(void)
|
|||
/* p:ea,y:pp */
|
||||
/* y:pp,p:ea */
|
||||
|
||||
addr = 0xffc0 + (cur_inst & BITMASK(6));
|
||||
addr = 0xffffc0 + (cur_inst & BITMASK(6));
|
||||
dsp_calc_ea((cur_inst>>8) & BITMASK(6), name);
|
||||
memspace = (cur_inst>>16) & 1;
|
||||
|
||||
|
|
@ -1764,17 +1769,17 @@ static void dsp_movep_1(void)
|
|||
sprintf(srcname, "p:%s", name);
|
||||
|
||||
if (memspace) {
|
||||
sprintf(dstname, "y:$%04x", addr);
|
||||
sprintf(dstname, "y:$%06x", addr);
|
||||
} else {
|
||||
sprintf(dstname, "x:$%04x", addr);
|
||||
sprintf(dstname, "x:$%06x", addr);
|
||||
}
|
||||
} else {
|
||||
/* Read pp */
|
||||
|
||||
if (memspace) {
|
||||
sprintf(srcname, "y:$%04x", addr);
|
||||
sprintf(srcname, "y:$%06x", addr);
|
||||
} else {
|
||||
sprintf(srcname, "x:$%04x", addr);
|
||||
sprintf(srcname, "x:$%06x", addr);
|
||||
}
|
||||
|
||||
sprintf(dstname, "p:%s", name);
|
||||
|
|
@ -1800,7 +1805,7 @@ static void dsp_movep_23(void)
|
|||
/* y:pp,y:ea */
|
||||
/* y:pp,x:ea */
|
||||
|
||||
addr = 0xffc0 + (cur_inst & BITMASK(6));
|
||||
addr = 0xffffc0 + (cur_inst & BITMASK(6));
|
||||
retour = dsp_calc_ea((cur_inst>>8) & BITMASK(6), name);
|
||||
memspace = (cur_inst>>16) & 1;
|
||||
easpace = (cur_inst>>6) & 1;
|
||||
|
|
@ -1819,17 +1824,17 @@ static void dsp_movep_23(void)
|
|||
}
|
||||
|
||||
if (memspace) {
|
||||
sprintf(dstname, "y:$%04x", addr);
|
||||
sprintf(dstname, "y:$%06x", addr);
|
||||
} else {
|
||||
sprintf(dstname, "x:$%04x", addr);
|
||||
sprintf(dstname, "x:$%06x", addr);
|
||||
}
|
||||
} else {
|
||||
/* Read pp */
|
||||
|
||||
if (memspace) {
|
||||
sprintf(srcname, "y:$%04x", addr);
|
||||
sprintf(srcname, "y:$%06x", addr);
|
||||
} else {
|
||||
sprintf(srcname, "x:$%04x", addr);
|
||||
sprintf(srcname, "x:$%06x", addr);
|
||||
}
|
||||
|
||||
if (easpace) {
|
||||
|
|
@ -1842,6 +1847,58 @@ static void dsp_movep_23(void)
|
|||
sprintf(str_instr,"movep %s,%s", srcname, dstname);
|
||||
}
|
||||
|
||||
static void dsp_movep_x_low(void) {
|
||||
// 00000111W1MMMRRR0Sqqqqqq
|
||||
|
||||
char srcname[16]="",dstname[16]="",name[16]="";
|
||||
uint32_t addr, easpace, retour;
|
||||
|
||||
addr = 0xffff80 + (cur_inst & BITMASK(6));
|
||||
retour = dsp_calc_ea((cur_inst>>8) & BITMASK(6), name);
|
||||
easpace = (cur_inst>>6) & 1;
|
||||
|
||||
if (cur_inst & (1<<15)) {
|
||||
/* Write pp */
|
||||
|
||||
if (retour) {
|
||||
sprintf(srcname, "#%s", name);
|
||||
} else {
|
||||
if (easpace) {
|
||||
sprintf(srcname, "y:%s", name);
|
||||
} else {
|
||||
sprintf(srcname, "x:%s", name);
|
||||
}
|
||||
}
|
||||
|
||||
sprintf(dstname, "x:$%04x", addr);
|
||||
} else {
|
||||
/* Read pp */
|
||||
|
||||
sprintf(srcname, "x:$%04x", addr);
|
||||
|
||||
if (easpace) {
|
||||
sprintf(dstname, "y:%s", name);
|
||||
} else {
|
||||
sprintf(dstname, "x:%s", name);
|
||||
}
|
||||
}
|
||||
|
||||
sprintf(str_instr,"movep %s,%s", srcname, dstname);
|
||||
}
|
||||
|
||||
|
||||
static void dsp_movex_a(void) {
|
||||
// 0000001aaaaaaRRR1a0WDDDD
|
||||
int W = (cur_inst >> 4) & 1;
|
||||
int a = (((cur_inst >> 11) & BITMASK(6)) << 1)
|
||||
+ ((cur_inst >> 6) & 1);
|
||||
if (W) {
|
||||
sprintf(str_instr, "move x:(?? + %d), ??", a);
|
||||
} else {
|
||||
sprintf(str_instr, "move ??, x:(?? + %d)", a);
|
||||
}
|
||||
}
|
||||
|
||||
static void dsp_nop(void)
|
||||
{
|
||||
sprintf(str_instr,"nop");
|
||||
|
|
|
|||
|
|
@ -1,22 +1,24 @@
|
|||
/*
|
||||
DSP56300 Disassembler
|
||||
|
||||
Copyright (c) 2015 espes
|
||||
|
||||
Adapted from Hatari DSP M56001 Disassembler
|
||||
(C) 2003-2008 ARAnyM developer team
|
||||
(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 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.
|
||||
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
|
||||
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_DISASM_H
|
||||
|
|
@ -25,8 +27,8 @@
|
|||
#include <stdint.h>
|
||||
|
||||
typedef enum {
|
||||
DSP_TRACE_MODE,
|
||||
DSP_DISASM_MODE
|
||||
DSP_TRACE_MODE,
|
||||
DSP_DISASM_MODE
|
||||
} dsp_trace_disasm_t;
|
||||
|
||||
/* Functions */
|
||||
|
|
|
|||
|
|
@ -1,3 +1,27 @@
|
|||
/*
|
||||
DSP56300 emulation
|
||||
|
||||
Copyright (c) 2015 espes
|
||||
|
||||
Adapted from Hatari DSP M56001 emulation
|
||||
(C) 2001-2008 ARAnyM developer team
|
||||
Adaption to Hatari (C) 2008 by Thomas Huth
|
||||
|
||||
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_INT_H
|
||||
#define DSP_INT_H
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue