mirror of https://github.com/xemu-project/xemu.git
some instructions, shitily
This commit is contained in:
espes
parent
9901c77dc4
commit
b0e67a7a1f
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@ -150,7 +150,7 @@ static const OpcodeEntry nonparallel_opcodes[] = {
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{ "0000000101iiiiii1000d000", "add #xx, D", NULL, NULL },
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{ "00000001010000001100d000", "add #xxxx, D", dis_add_long, emu_add_long },
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{ "0000000101iiiiii1000d110", "and #xx, D", NULL, NULL },
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{ "00000001010000001100d110", "and #xxxx, D", NULL, NULL },
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{ "00000001010000001100d110", "and #xxxx, D", dis_and_long, emu_and_long },
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{ "00000000iiiiiiii101110EE", "andi #xx, D", dis_andi, emu_andi },
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{ "0000110000011101SiiiiiiD", "asl #ii, S2, D", NULL, NULL },
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{ "0000110000011110010SsssD", "asl S1, S2, D", NULL, NULL },
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@ -174,13 +174,13 @@ static const OpcodeEntry nonparallel_opcodes[] = {
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{ "0000110100011RRR11000000", "bra Rn", NULL, NULL },
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{ "0000110010MMMRRR0S0bbbbb", "brclr #n, [X or Y]:ea, xxxx", NULL, NULL },
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{ "0000110010aaaaaa1S0bbbbb", "brclr #n, [X or Y]:aa, xxxx", NULL, NULL },
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{ "0000110011pppppp0S0bbbbb", "brclr #n, [X or Y]:pp, xxxx", NULL, NULL },
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{ "0000110011pppppp0S0bbbbb", "brclr #n, [X or Y]:pp, xxxx", dis_brclr_pp, emu_brclr_pp },
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{ "0000010010qqqqqq0S0bbbbb", "brclr #n, [X or Y]:qq, xxxx", NULL, NULL },
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{ "0000110011DDDDDD100bbbbb", "brclr #n, S, xxxx", NULL, NULL },
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{ "00000000000000100001CCCC", "brkcc", NULL, NULL },
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{ "0000110010MMMRRR0S1bbbbb", "brset #n, [X or Y]:ea, xxxx", NULL, NULL },
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{ "0000110010aaaaaa1S1bbbbb", "brset #n, [X or Y]:aa, xxxx", NULL, NULL },
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{ "0000110011pppppp0S1bbbbb", "brset #n, [X or Y]:pp, xxxx", NULL, NULL },
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{ "0000110011pppppp0S1bbbbb", "brset #n, [X or Y]:pp, xxxx", dis_brset_pp, emu_brset_pp },
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{ "0000010010qqqqqq0S1bbbbb", "brset #n, [X or Y]:qq, xxxx", NULL, NULL },
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{ "0000110011DDDDDD101bbbbb", "brset #n, S, xxxx", NULL, NULL },
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{ "00001101000100000000CCCC", "bscc xxxx", NULL, NULL },
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@ -196,8 +196,8 @@ static const OpcodeEntry nonparallel_opcodes[] = {
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{ "0000101010pppppp0S1bbbbb", "bset #n, [X or Y]:pp", dis_bset_pp, emu_bset_pp },
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{ "0000000100qqqqqq0S1bbbbb", "bset #n, [X or Y]:qq", NULL, NULL },
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{ "0000101011DDDDDD011bbbbb", "bset, #n, D", dis_bset_reg, emu_bset_reg },
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{ "000011010001000010000000", "bsr xxxx", NULL, NULL },
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{ "00000101000010aaaa0aaaaa", "bsr xxx", NULL, NULL },
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{ "000011010001000010000000", "bsr xxxx", dis_bsr_long, emu_bsr_long },
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{ "00000101000010aaaa0aaaaa", "bsr xxx", dis_bsr_imm, emu_bsr_imm },
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{ "0000110100011RRR10000000", "bsr Rn", NULL, NULL },
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{ "0000110110MMMRRR0S1bbbbb", "bsset #n, [X or Y]:ea, xxxx", NULL, NULL },
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{ "0000110110aaaaaa1S1bbbbb", "bsset #n, [X or Y]:aa, xxxx", NULL, NULL },
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@ -281,9 +281,9 @@ static const OpcodeEntry nonparallel_opcodes[] = {
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{ "00000001000sssss11QQdk11", "macr S1, S2, D", NULL, NULL },
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{ "000000010100000111qqdk11", "macri #xxxx, S, D", NULL, NULL },
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{ "00001100000110111000sssD", "merge S, D", NULL, NULL },
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{ "0000101001110RRR1WDDDDDD", "move X:{Rn + xxxx} <-> R", NULL, NULL },
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{ "0000101001110RRR1WDDDDDD", "move X:{Rn + xxxx} <-> R", dis_move_x_long, emu_move_x_long },
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{ "0000101101110RRR1WDDDDDD", "move Y:{Rn + xxxx} <-> R", NULL, NULL },
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{ "0000001aaaaaaRRR1a0WDDDD", "move X:{Rn + xxx} <-> R", dis_move_x_aa, emu_move_x_aa },
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{ "0000001aaaaaaRRR1a0WDDDD", "move X:{Rn + xxx} <-> R", dis_move_x_imm, emu_move_x_imm },
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{ "0000001aaaaaaRRR1a1WDDDD", "move Y:{Rn + xxx} <-> R", NULL, NULL },
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{ "00000101W1MMMRRR0s1ddddd", "movec [X or Y]:ea <-> R", dis_movec_ea, emu_movec_ea },
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{ "00000101W0aaaaaa0s1ddddd", "movec [X or Y]:aa <-> R", dis_movec_aa, emu_movec_aa },
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@ -308,7 +308,7 @@ static const OpcodeEntry nonparallel_opcodes[] = {
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{ "0000000111011RRR0001d101", "norm Rn, D", dis_norm, emu_norm },
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{ "00001100000111100010sssD", "normf S, D", NULL, NULL },
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{ "0000000101iiiiii1000d010", "or #xx, D", NULL, NULL },
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{ "00000001010000001100d010", "or #xxxx, D", NULL, NULL },
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{ "00000001010000001100d010", "or #xxxx, D", dis_or_long, emu_or_long },
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{ "00000000iiiiiiii111110EE", "ori #xx, D", dis_ori, emu_ori },
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{ "000000000000000000000011", "pflush", NULL, NULL },
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{ "000000000000000000000001", "pflushun", NULL, NULL },
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@ -383,8 +383,6 @@ static OpcodeEntry lookup_opcode(uint32_t op) {
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static uint16_t disasm_instruction(dsp_core_t* dsp, dsp_trace_disasm_t mode)
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{
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uint32_t value;
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dsp->disasm_mode = mode;
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if (mode == DSP_TRACE_MODE) {
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if (dsp->disasm_prev_inst_pc == dsp->pc) {
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@ -578,7 +576,6 @@ uint16_t dsp56k_execute_one_disasm_instruction(dsp_core_t* dsp, FILE *out, uint3
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void dsp56k_execute_instruction(dsp_core_t* dsp)
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{
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uint32_t value;
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uint32_t disasm_return = 0;
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dsp->disasm_memory_ptr = 0;
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@ -227,6 +227,14 @@ static void dis_add_long(dsp_core_t* dsp)
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sprintf(dsp->disasm_str_instr, "add #$%04x,%s", xxxx, registers_name[accname]);
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}
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static void dis_and_long(dsp_core_t* dsp)
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{
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dsp->disasm_cur_inst_len++;
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uint32_t xxxx = read_memory_p(dsp, dsp->pc+1);
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uint32_t accname = ((dsp->disasm_cur_inst >> 3) & 1) ? DSP_REG_B : DSP_REG_A;
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sprintf(dsp->disasm_str_instr, "and #$%04x,%s", xxxx, registers_name[accname]);
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}
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static void dis_andi(dsp_core_t* dsp)
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{
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switch(dsp->disasm_cur_inst & BITMASK(2)) {
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@ -420,6 +428,44 @@ static void dis_bra_imm(dsp_core_t* dsp)
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sprintf(dsp->disasm_str_instr, "bra p:$%04x", xxx);
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}
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static void dis_brclr_pp(dsp_core_t* dsp)
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{
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uint32_t xxxx = read_memory_p(dsp, dsp->pc+1);
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dsp->disasm_cur_inst_len++;
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uint32_t memspace = (dsp->disasm_cur_inst>>6) & 1;
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uint32_t value = (dsp->disasm_cur_inst>>8) & BITMASK(6);
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uint32_t numbit = dsp->disasm_cur_inst & BITMASK(5);
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char name[16];
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if (memspace) {
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sprintf(name,"y:$%06x",value+0xffffc0);
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} else {
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sprintf(name,"x:$%06x",value+0xffffc0);
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}
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sprintf(dsp->disasm_str_instr,"brclr #%d,%s,p:$%06x", numbit, name, xxxx);
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}
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static void dis_brset_pp(dsp_core_t* dsp)
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{
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uint32_t xxxx = read_memory_p(dsp, dsp->pc+1);
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dsp->disasm_cur_inst_len++;
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uint32_t memspace = (dsp->disasm_cur_inst>>6) & 1;
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uint32_t value = (dsp->disasm_cur_inst>>8) & BITMASK(6);
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uint32_t numbit = dsp->disasm_cur_inst & BITMASK(5);
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char name[16];
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if (memspace) {
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sprintf(name,"y:$%06x",value+0xffffc0);
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} else {
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sprintf(name,"x:$%06x",value+0xffffc0);
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}
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sprintf(dsp->disasm_str_instr,"brset #%d,%s,p:$%06x", numbit, name, xxxx);
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}
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static void dis_bset_aa(dsp_core_t* dsp)
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{
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/* bset #n,x:aa */
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@ -492,6 +538,20 @@ static void dis_bset_reg(dsp_core_t* dsp)
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sprintf(dsp->disasm_str_instr,"bset #%d,%s", numbit, registers_name[value]);
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}
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static void dis_bsr_long(dsp_core_t* dsp)
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{
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dsp->disasm_cur_inst_len++;
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uint32_t xxxx = read_memory_p(dsp, dsp->pc+1);
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sprintf(dsp->disasm_str_instr, "bsr p:$%06x", xxxx);
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}
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static void dis_bsr_imm(dsp_core_t* dsp)
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{
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uint32_t xxx = (dsp->disasm_cur_inst & BITMASK(5))
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+ ((dsp->disasm_cur_inst & (BITMASK(4) << 6)) >> 1);
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sprintf(dsp->disasm_str_instr, "bsr p:$%04x", xxx);
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}
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static void dis_btst_aa(dsp_core_t* dsp)
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{
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/* btst #n,x:aa */
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@ -1476,15 +1536,35 @@ static void dis_movep_x_low(dsp_core_t* dsp) {
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}
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static void dis_move_x_aa(dsp_core_t* dsp) {
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static void dis_move_x_long(dsp_core_t* dsp) {
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dsp->disasm_cur_inst_len++;
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int W = (dsp->disasm_cur_inst >> 6) & 1;
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uint32_t xxxx = read_memory_p(dsp, dsp->pc+1);
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uint32_t offreg = DSP_REG_R0 + ((dsp->disasm_cur_inst >> 8) & BITMASK(3));
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uint32_t numreg = dsp->disasm_cur_inst & BITMASK(6);
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if (W) {
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sprintf(dsp->disasm_str_instr, "move x:(%s + %d), %s",
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registers_name[offreg], xxxx, registers_name[numreg]);
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} else {
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sprintf(dsp->disasm_str_instr, "move %s, x:(%s + %d)",
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registers_name[numreg], registers_name[offreg], xxxx);
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}
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}
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static void dis_move_x_imm(dsp_core_t* dsp) {
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// 0000001aaaaaaRRR1a0WDDDD
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int W = (dsp->disasm_cur_inst >> 4) & 1;
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int a = (((dsp->disasm_cur_inst >> 11) & BITMASK(6)) << 1)
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int xxx = (((dsp->disasm_cur_inst >> 11) & BITMASK(6)) << 1)
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+ ((dsp->disasm_cur_inst >> 6) & 1);
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uint32_t offreg = DSP_REG_R0 + ((dsp->disasm_cur_inst >> 8) & BITMASK(3));
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uint32_t numreg = dsp->disasm_cur_inst & BITMASK(4);
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if (W) {
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sprintf(dsp->disasm_str_instr, "move x:(?? + %d), ??", a);
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sprintf(dsp->disasm_str_instr, "move x:(%s + %d), %s",
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registers_name[offreg], xxx, registers_name[numreg]);
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} else {
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sprintf(dsp->disasm_str_instr, "move ??, x:(?? + %d)", a);
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sprintf(dsp->disasm_str_instr, "move %s, x:(%s + %d)",
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registers_name[numreg], registers_name[offreg], xxx);
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}
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}
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@ -1498,6 +1578,14 @@ static void dis_norm(dsp_core_t* dsp)
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sprintf(dsp->disasm_str_instr,"norm %s,%s", registers_name[srcreg], registers_name[destreg]);
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}
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static void dis_or_long(dsp_core_t* dsp)
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{
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dsp->disasm_cur_inst_len++;
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uint32_t xxxx = read_memory_p(dsp, dsp->pc+1);
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uint32_t accname = ((dsp->disasm_cur_inst >> 3) & 1) ? DSP_REG_B : DSP_REG_A;
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sprintf(dsp->disasm_str_instr, "or #$%04x,%s", xxxx, registers_name[accname]);
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}
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static void dis_ori(dsp_core_t* dsp)
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{
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switch(dsp->disasm_cur_inst & BITMASK(2)) {
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@ -5749,6 +5749,13 @@ static void emu_add_long(dsp_core_t* dsp)
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dsp->cur_inst_len++;
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}
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static void emu_and_long(dsp_core_t* dsp)
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{
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uint32_t xxxx = read_memory_p(dsp, dsp->pc+1);
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// QQQ
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dsp->cur_inst_len++;
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}
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static void emu_andi(dsp_core_t* dsp)
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{
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uint32_t regnum, value;
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@ -5979,6 +5986,32 @@ static void emu_bra_imm(dsp_core_t* dsp) {
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dsp->instr_cycle += 2;
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}
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static void emu_brclr_pp(dsp_core_t* dsp) {
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uint32_t xxxx = read_memory_p(dsp, dsp->pc+1);
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dsp->cur_inst_len++;
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uint32_t memspace = (dsp->cur_inst>>6) & 1;
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uint32_t value = (dsp->cur_inst>>8) & BITMASK(6);
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uint32_t numbit = dsp->cur_inst & BITMASK(5);
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uint32_t addr = 0xffffc0 + value;
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value = dsp56k_read_memory(dsp, memspace, addr);
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//QQQ
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}
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static void emu_brset_pp(dsp_core_t* dsp) {
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uint32_t xxxx = read_memory_p(dsp, dsp->pc+1);
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dsp->cur_inst_len++;
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uint32_t memspace = (dsp->cur_inst>>6) & 1;
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uint32_t value = (dsp->cur_inst>>8) & BITMASK(6);
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uint32_t numbit = dsp->cur_inst & BITMASK(5);
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uint32_t addr = 0xffffc0 + value;
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value = dsp56k_read_memory(dsp, memspace, addr);
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//QQQ
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}
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static void emu_bset_aa(dsp_core_t* dsp)
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{
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uint32_t memspace, addr, value, newcarry, numbit;
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@ -6000,6 +6033,21 @@ static void emu_bset_aa(dsp_core_t* dsp)
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dsp->instr_cycle += 2;
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}
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static void emu_bsr_long(dsp_core_t* dsp)
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{
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uint32_t xxxx = read_memory_p(dsp, dsp->pc+1);
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dsp->cur_inst_len++;
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// QQQ
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}
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static void emu_bsr_imm(dsp_core_t* dsp)
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{
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uint32_t xxx = (dsp->disasm_cur_inst & BITMASK(5))
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+ ((dsp->disasm_cur_inst & (BITMASK(4) << 6)) >> 1);
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// QQQ
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}
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static void emu_bset_ea(dsp_core_t* dsp)
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{
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uint32_t memspace, addr, value, newcarry, numbit;
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@ -7130,7 +7178,15 @@ static void emu_movep_x_low(dsp_core_t* dsp) {
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dsp->instr_cycle += 2; // ???
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}
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static void emu_move_x_aa(dsp_core_t* dsp) {
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static void emu_move_x_long(dsp_core_t* dsp) {
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int W = (dsp->cur_inst >> 6) & 1;
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uint32_t xxxx = read_memory_p(dsp, dsp->pc+1);
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dsp->cur_inst_len++;
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//QQQ
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dsp->instr_cycle += 2; //???
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}
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static void emu_move_x_imm(dsp_core_t* dsp) {
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// 0000001aaaaaaRRR1a0WDDDD
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int W = (dsp->cur_inst >> 4) & 1;
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int a = (((dsp->cur_inst >> 11) & BITMASK(6)) << 1)
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@ -7179,6 +7235,13 @@ static void emu_norm(dsp_core_t* dsp)
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dsp->registers[DSP_REG_SR] |= newsr;
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}
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static void emu_or_long(dsp_core_t* dsp)
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{
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uint32_t xxxx = read_memory_p(dsp, dsp->pc+1);
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// QQQ
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dsp->cur_inst_len++;
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}
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static void emu_ori(dsp_core_t* dsp)
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{
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uint32_t regnum, value;
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