mirror of https://github.com/snes9xgit/snes9x.git
180 lines
3.1 KiB
Brainfuck
180 lines
3.1 KiB
Brainfuck
bra(0x2f, 0),
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beq(0xf0, !regs.p.z),
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bne(0xd0, regs.p.z),
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bcs(0xb0, !regs.p.c),
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bcc(0x90, regs.p.c),
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bvs(0x70, !regs.p.v),
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bvc(0x50, regs.p.v),
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bmi(0x30, !regs.p.n),
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bpl(0x10, regs.p.n) {
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1:rd = op_readpc();
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if($1)end;
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2:op_io();
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3:op_io();
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regs.pc += (int8)rd;
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}
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bbs0(0x03, 0x01, !=),
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bbc0(0x13, 0x01, ==),
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bbs1(0x23, 0x02, !=),
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bbc1(0x33, 0x02, ==),
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bbs2(0x43, 0x04, !=),
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bbc2(0x53, 0x04, ==),
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bbs3(0x63, 0x08, !=),
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bbc3(0x73, 0x08, ==),
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bbs4(0x83, 0x10, !=),
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bbc4(0x93, 0x10, ==),
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bbs5(0xa3, 0x20, !=),
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bbc5(0xb3, 0x20, ==),
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bbs6(0xc3, 0x40, !=),
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bbc6(0xd3, 0x40, ==),
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bbs7(0xe3, 0x80, !=),
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bbc7(0xf3, 0x80, ==) {
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1:dp = op_readpc();
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2:sp = op_readdp(dp);
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3:rd = op_readpc();
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4:op_io();
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if((sp & $1) $2 $1)end;
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5:op_io();
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6:op_io();
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regs.pc += (int8)rd;
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}
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cbne_dp(0x2e) {
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1:dp = op_readpc();
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2:sp = op_readdp(dp);
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3:rd = op_readpc();
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4:op_io();
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if(regs.a == sp)end;
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5:op_io();
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6:op_io();
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regs.pc += (int8)rd;
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}
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cbne_dpx(0xde) {
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1:dp = op_readpc();
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2:op_io();
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3:sp = op_readdp(dp + regs.x);
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4:rd = op_readpc();
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5:op_io();
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if(regs.a == sp)end;
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6:op_io();
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7:op_io();
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regs.pc += (int8)rd;
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}
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dbnz_dp(0x6e) {
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1:dp = op_readpc();
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2:wr = op_readdp(dp);
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3:op_writedp(dp, --wr);
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4:rd = op_readpc();
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if(wr == 0x00)end;
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5:op_io();
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6:op_io();
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regs.pc += (int8)rd;
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}
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dbnz_y(0xfe) {
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1:rd = op_readpc();
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2:op_io();
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regs.y--;
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3:op_io();
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if(regs.y == 0x00)end;
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4:op_io();
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5:op_io();
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regs.pc += (int8)rd;
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}
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jmp_addr(0x5f) {
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1:rd = op_readpc();
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2:rd |= op_readpc() << 8;
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regs.pc = rd;
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}
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jmp_iaddrx(0x1f) {
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1:dp = op_readpc();
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2:dp |= op_readpc() << 8;
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3:op_io();
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dp += regs.x;
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4:rd = op_readaddr(dp);
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5:rd |= op_readaddr(dp + 1) << 8;
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regs.pc = rd;
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}
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call(0x3f) {
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1:rd = op_readpc();
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2:rd |= op_readpc() << 8;
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3:op_io();
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4:op_io();
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5:op_io();
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6:op_writestack(regs.pc >> 8);
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7:op_writestack(regs.pc);
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regs.pc = rd;
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}
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pcall(0x4f) {
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1:rd = op_readpc();
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2:op_io();
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3:op_io();
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4:op_writestack(regs.pc >> 8);
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5:op_writestack(regs.pc);
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regs.pc = 0xff00 | rd;
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}
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tcall_0(0x01, 0),
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tcall_1(0x11, 1),
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tcall_2(0x21, 2),
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tcall_3(0x31, 3),
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tcall_4(0x41, 4),
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tcall_5(0x51, 5),
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tcall_6(0x61, 6),
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tcall_7(0x71, 7),
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tcall_8(0x81, 8),
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tcall_9(0x91, 9),
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tcall_10(0xa1, 10),
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tcall_11(0xb1, 11),
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tcall_12(0xc1, 12),
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tcall_13(0xd1, 13),
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tcall_14(0xe1, 14),
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tcall_15(0xf1, 15) {
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1:dp = 0xffde - ($1 << 1);
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rd = op_readaddr(dp);
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2:rd |= op_readaddr(dp + 1) << 8;
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3:op_io();
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4:op_io();
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5:op_io();
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6:op_writestack(regs.pc >> 8);
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7:op_writestack(regs.pc);
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regs.pc = rd;
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}
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brk(0x0f) {
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1:rd = op_readaddr(0xffde);
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2:rd |= op_readaddr(0xffdf) << 8;
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3:op_io();
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4:op_io();
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5:op_writestack(regs.pc >> 8);
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6:op_writestack(regs.pc);
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7:op_writestack(regs.p);
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regs.pc = rd;
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regs.p.b = 1;
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regs.p.i = 0;
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}
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ret(0x6f) {
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1:rd = op_readstack();
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2:rd |= op_readstack() << 8;
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3:op_io();
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4:op_io();
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regs.pc = rd;
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}
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reti(0x7f) {
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1:regs.p = op_readstack();
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2:rd = op_readstack();
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3:rd |= op_readstack() << 8;
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4:op_io();
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5:op_io();
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regs.pc = rd;
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}
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