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fixed screensize, timertick, revers mode

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This commit is contained in:
mrdudz
2015-07-16 16:00:32 +02:00
parent 1414411bba
commit 21ef6b8510
8 changed files with 86 additions and 27 deletions
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33
libsrc/pce/conio.s
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@@ -51,7 +51,7 @@ set_palette:
;
;----------------------------------------------------------------------------
.importzp ptr1
.importzp ptr1, tmp1
conio_init:
; Load font
st0 #VDC_MAWR
@@ -65,10 +65,35 @@ conio_init:
sta ptr1+1
st0 #VDC_VWR ; VWR
lda #0
sta tmp1
jsr copy
lda #<font
sta ptr1
lda #>font
sta ptr1+1
lda #$ff
sta tmp1
jsr copy
ldx #0
stx BGCOLOR
inx
stx CHARCOLOR
rts
copy:
ldy #$80 ; 128 chars
charloop: ldx #$08 ; 8 bytes/char
lineloop:
lda (ptr1)
eor tmp1
sta a:VDC_DATA_LO ; bitplane 0
stz a:VDC_DATA_HI ; bitplane 1
@@ -89,12 +114,6 @@ fillloop: st1 #$00
dey
bne charloop ; next character
ldx #0
stx BGCOLOR
inx
stx CHARCOLOR
rts
.rodata