added i2c controller tests

OperatingSystem/monitor_v2/include/addresses.s

@@ -40,12 +40,8 @@ VDP_MEM     equ 0x80
 PROG_ROM_START equ 0x0100
 PROG_MEM_START equ 04000h
 
-IO_PIO_0_A_D equ 0x60
-IO_PIO_0_A_C equ 0x61
-IO_PIO_0_B_D equ 0x62
-IO_PIO_0_B_C equ 0x63
 
-IO_PIO_1_A_D equ 0x64   ;PS2
-IO_PIO_1_A_C equ 0x65
-IO_PIO_1_B_D equ 0x66
-IO_PIO_1_B_C equ 0x67
+CS_PIO_BD .EQU 0xF5
+CS_PIO_BC .EQU 0xF7
+CS_PIO_AD .EQU 0xF4
+CS_PIO_AC .EQU 0xF6

OperatingSystem/monitor_v2/include/beep.s

@@ -0,0 +1,37 @@
+;------------------------------------------------------------------------------
+; beep
+;
+; Beeps the speaker
+; DE sets duration
+;------------------------------------------------------------------------------
+beep:
+    push    AF
+    push    BC
+    push    DE
+	LD      A,0x08
+    OUT     (CS_PIO_AD), A
+    LD      BC, 0x28
+    CALL    beep_pause
+    LD      A,0x00
+    OUT     (CS_PIO_AD), A
+    LD      BC, 0x24
+    CALL    beep_pause
+    DEC     DE
+    ld      A,D
+    or      E
+    jr      NZ, beep
+    pop     de
+    pop     bc
+    pop     af
+	ret
+
+beep_pause:
+    NEG									; 8 T-states
+	NEG									; 8 T-states
+	NEG									; 8 T-states
+	NEG									; 8 T-states
+	DEC		BC							; 6 T-states
+	LD		A,C							; 9 T-states
+	OR		B							; 4 T-states
+	JP		NZ,beep_pause					; 10 T-states
+	RET									; Pause complete, RETurn

OperatingSystem/monitor_v2/include/console.s

@@ -125,7 +125,7 @@ MSG_CLEAR:
 A_RTS_OFF:
     ld a,005h ;write into WR0: select WR5
     out (CS_SIO_A_C),A
-    ld a,068h ;DTR inactiveh, TX 8bit, BREAK off, TX on, RTS inactive
+    ld a,068h ;DTR inactive, TX 8bit, BREAK off, TX on, RTS inactive
     out (CS_SIO_A_C),A
     ret
 A_RTS_ON: