25 #define t2(pat)   		{PC ^= pat; out_p(2,PC);}  macro
46 		w0(r & 0xf); w0(r); t2(2); t2(4);  in bpck_read_regr()
48 		t2(4);  in bpck_read_regr()
52 		w0(r & 0xf); w0(r); t2(2);  in bpck_read_regr()
53 		e2(); t2(0x20);  in bpck_read_regr()
54 		t2(4); h = r0();  in bpck_read_regr()
55 		t2(1); t2(0x20);  in bpck_read_regr()
78 		t2(2);  in bpck_write_regr()
80 		o2(); t2(4); t2(1);  in bpck_write_regr()
104 		w0(0x40); t2(2); t2(1);  in bpck_write_block()
107 			t2(4);  in bpck_write_block()
114 		w0(0x40); t2(2); t2(1);  in bpck_write_block()
117 			t2(4);  in bpck_write_block()
159 		w0(0x40); t2(2);  in bpck_read_block()
161 			t2(4); l = r1();  in bpck_read_block()
162 			t2(4); h = r1();  in bpck_read_block()
170 		w0(0x40); t2(2); t2(0x20);  in bpck_read_block()
172 			t2(4);  in bpck_read_block()
175 		t2(1); t2(0x20);  in bpck_read_block()
216 	w2(4); w2(0xe); r2(); t2(2);  in bpck_probe_unit()
220 	t2(8); t2(8); t2(8);  in bpck_probe_unit()
221 	t2(2); t = r1()&0xf8;  in bpck_probe_unit()
224 		t2(2);  in bpck_probe_unit()
231 	t2(8); w0(0); t2(2); w2(0x4c); w0(o0);  in bpck_probe_unit()
239 	t2(8); t2(8); t2(8);  in bpck_connect()
240 	t2(2); t2(2);  in bpck_connect()
244 		t2(8); WR(4, 0);  in bpck_connect()
247 		t2(8); WR(4, 0x10);  in bpck_connect()
277 		t2(2);  in bpck_disconnect()
287 	t2(8); t2(8); t2(8);  in bpck_force_spp()
288 	t2(2); t2(2);  in bpck_force_spp()
311 		w0(0x13); t2(2);  in bpck_test_proto()
313 			t2(4); l = r1();  in bpck_test_proto()
314 			t2(4); h = r1();  in bpck_test_proto()
323 		w0(0x13); t2(2); t2(0x20);  in bpck_test_proto()
325 			t2(4);  in bpck_test_proto()
328 		t2(1); t2(0x20);  in bpck_test_proto()