refactor(core): rename prop

Author: exuanbo

src/core/bus/bus.ts

@@ -29,7 +29,7 @@ export class Bus {
   readonly address$ = new BehaviorSubject(0x00)
   readonly control$ = new BehaviorSubject(initialControlLines)
 
-  readonly controlOnClockRise$: Observable<ControlLines> = this.control$.pipe(
+  readonly clockRise$: Observable<ControlLines> = this.control$.pipe(
     filter((control, index) => (index && control.CLK)),
     share(),
   )

src/core/cpu/cpu.ts

@@ -22,7 +22,7 @@ export class Cpu {
       RD:   0b1,
       MREQ: 0b1,
     })
-    yield this.bus.controlOnClockRise$.pipe(take(1))
+    yield this.bus.clockRise$.pipe(take(1))
     this.bus.setControl({
       RD:   0b0,
       MREQ: 0b0,
@@ -37,7 +37,7 @@ export class Cpu {
       WR:   0b1,
       MREQ: 0b1,
     })
-    yield this.bus.controlOnClockRise$.pipe(take(1))
+    yield this.bus.clockRise$.pipe(take(1))
     this.bus.setControl({
       WR:   0b0,
       MREQ: 0b0,