Apple-2-SW/apple2_hgr_font_tutorial
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Fix bad comment 40 col hex constant

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michaelangel007 2016-01-10 19:59:09 -08:00
parent 95ece36ebf
commit ae78c1b7b6
1 changed files with 3 additions and 3 deletions
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@ -1457,7 +1457,7 @@ Here's the Pseudo-code to copy the text screen to the HGR Screen:
And here is the assembly:
```assembly
; FUNC: CopyTextToHGR() = $1300
; FUNC: CopyTextToHGR()
; DATA:
; $6000.$63FF Font 7x8 Data
; $6400.$642F HgrLo, HgrHi table for every 8 scanlines
@ -1468,7 +1468,7 @@ And here is the assembly:
1306:A9 20 LDA #20 ; Dest = HGR1 = $2000
1308:85 E6 STA $E6
130A:A4 F3 .1 LDY row ; Y = row
130C:C0 18 CPY #$18 ; 24 is #$18
130C:C0 18 CPY #$18 ; 24 rows is #$18
130E:B0 20 BCS .3 ; Y >= 24
1310:A2 00 LDX #0
1312:86 F2 STX col ; X = col
@ -1481,7 +1481,7 @@ And here is the assembly:
1321:A4 F2 LDY col
1323:B1 F7 .2 LDA ($F7),Y
1325:20 10 03 JSR PrintChar
1328:C0 28 CPY #$28 ; 40 is #$18
1328:C0 28 CPY #$28 ; 40 cols is #$28
132A:90 F7 BCC .2 ; Y < 40
132C:E6 F3 INC row
133E:D0 DA BNE .1 ; always