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some more tweaking, added docs page

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This commit is contained in:
mrdudz
2015-07-14 17:22:47 +02:00
parent 515a61a302
commit 83391ab67c
6 changed files with 234 additions and 11 deletions
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18
libsrc/pce/conio.s
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@@ -59,18 +59,18 @@ conio_init:
st2 #>$2000
; ptr to font data
lda #<font
sta ptr1
lda #>font
sta ptr1+1
lda #<font
sta ptr1
lda #>font
sta ptr1+1
st0 #VDC_VWR ; VWR
st0 #VDC_VWR ; VWR
ldy #$80 ; 128 chars
charloop: ldx #$08 ; 8 bytes/char
lineloop:
lda (ptr1)
staio VDC_DATA_LO ; bitplane 0
stzio VDC_DATA_HI ; bitplane 1
staio VDC_DATA_LO ; bitplane 0
stzio VDC_DATA_HI ; bitplane 1
clc ; increment font pointer
lda ptr1
@@ -90,9 +90,9 @@ fillloop: st1 #$00
bne charloop ; next character
ldx #0
stx BGCOLOR
stx BGCOLOR
inx
stx CHARCOLOR
stx CHARCOLOR
rts