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Added buzzer notation

Per Mårtensson 8 months ago
parent
commit
c625e6a3ad
1 changed files with 4 additions and 4 deletions
  1. 4 4
      hw/monroe_oc8820_r3.00.asm

+ 4 - 4
hw/monroe_oc8820_r3.00.asm

@@ -140,7 +140,7 @@ displaymsg:
 	;code continues
 initcontinue:
 	ld a,080h		;0092
-	out (0d4h),a		;0094 out 0d4h,80h Hi-res color enable copy
+	out (0d4h),a		;0094 out 0d4h,80h Hi-res color enable copy, buzzer off
 	ld de,displaymem		;0096 point to display upper left corner 03000h
 	ld hl,msgtesting		;0099 point to message 0009fh
 	jp displaymsg	;009c go display message at HL 00011h
@@ -249,7 +249,7 @@ memtesteval:
 memcmp:
 	xor a				;0133
 	or d				;0134
-	or e				;0135
+	or e				;0135 Any errors?
 	jr z,floppystart			;0136; +43
 	ld ix,memcheckdisplay		;0138 013fh
 	jp setupcrt			;013c 0058ch
@@ -974,7 +974,7 @@ setupcrt:
 	and a			;0595
 	jr nz,$+6		;0596
 	ld a,081h		;0598
-	out (0d4h),a		;059a Hi-res color
+	out (0d4h),a		;059a Buzzer on
 	ld bc,006cch		;059c
 	ld hl,005b8h		;059f
 	otir		;05a2
@@ -986,7 +986,7 @@ setupcrt:
 	or c			;05ab
 	jr nz,$-5		;05ac
 	ld a,080h		;05ae
-	out (0d4h),a		;05b0 Hi-res color
+	out (0d4h),a		;05b0 Buzzer off
 	ld a,09fh		;05b2
 	out (0cch),a		;05b4 ?????
 	jp (ix)		;05b6