prog8/examples/cx16/vtui/testvtui.p8

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%import textio
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%option no_sysinit
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%zeropage basicsafe
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; simple test program for the "VTUI" text user interface library
; see: https://github.com/JimmyDansbo/VTUIlib
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main {
sub start() {
vtui.initialize()
store_logo() ; capture logo before boxes are drawn
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txt.lowercase()
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vtui.screen_set(0)
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vtui.clr_scr('%', $50)
vtui.gotoxy(5,5)
vtui.fill_box(':', 70, 50, $c6)
store_where_logo_was() ; after vtui draws boxes, initialize replacement screen values as logo moves
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vtui.gotoxy(10,10)
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vtui.border(1, 40, 6, $47)
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vtui.gotoxy(12,12)
vtui.print_str2(sc:"Hello, world! vtui from Prog8!", $f2, false)
vtui.gotoxy(12,13)
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vtui.print_str2("Hello, world! vtui from Prog8!", $f2, true)
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str inputbuffer = "?" * 20
; txt.print_uwhex(inputbuffer, 1)
; txt.chrout(':')
; txt.print(inputbuffer)
; txt.chrout('\n')
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vtui.gotoxy(5,20)
vtui.print_str2(sc:"Enter your name: ", $e3, false)
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ubyte length = vtui.input_str(inputbuffer, len(inputbuffer), $21)
vtui.gotoxy(8,22)
vtui.print_str2(sc:"Your name is: ", $e3, false)
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;vtui.print_str2(inputbuffer, $67, $00)
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vtui.print_str(inputbuffer, length, $67, $00)
; txt.uppercase() ; kills vtui?
logo_mover()
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}
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sub store_logo() {
vtui.gotoxy(0, 0)
vtui.save_rect($80, true, $0000, 7, 7)
}
sub store_where_logo_was() {
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vtui.gotoxy(0, 0)
vtui.save_rect($80, true, $0100, 7, 7)
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}
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sub logo_mover() {
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ubyte xcoord = 0
ubyte ycoord = 0
ubyte newx = 0
ubyte newy = 0
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;vtui.screen_set(2)
vtui.gotoxy(30, 32)
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vtui.print_str2("arrow keys to move!", $61, true)
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char_loop:
ubyte char = cbm.GETIN()
if char==0
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goto char_loop
when char {
$91 -> {
if newy!=0 {
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newy--
move_logo()
}
}
$11 -> {
if newy<53 {
newy++
move_logo()
}
}
$9d -> {
if newx!=0 {
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newx--
move_logo()
}
}
$1d -> {
if newx<70 {
newx++
move_logo()
}
}
}
goto char_loop
sub move_logo() {
vtui.gotoxy(xcoord, ycoord)
vtui.rest_rect($80, true, $0100, 7, 7)
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vtui.gotoxy(newx, newy)
vtui.save_rect($80, true, $0100, 7, 7)
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vtui.gotoxy(newx, newy)
vtui.rest_rect($80, true, $0000, 7, 7)
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xcoord = newx
ycoord = newy
}
}
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}
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vtui $1000 {
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%option no_symbol_prefixing
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%asmbinary "VTUI1.2.BIN", 2 ; skip the 2 dummy load address bytes
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; NOTE: base address $1000 here must be the same as the block's memory address, for obvious reasons!
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; The routines below are for VTUI 1.0
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romsub $1000 = initialize() clobbers(A, X, Y)
romsub $1002 = screen_set(ubyte mode @A) clobbers(A, X, Y)
romsub $1005 = set_bank(bool bank1 @Pc) clobbers(A)
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romsub $1008 = set_stride(ubyte stride @A) clobbers(A)
romsub $100b = set_decr(bool incrdecr @Pc) clobbers(A)
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romsub $100e = clr_scr(ubyte char @A, ubyte colors @X) clobbers(Y)
romsub $1011 = gotoxy(ubyte column @A, ubyte row @Y)
romsub $1014 = plot_char(ubyte char @A, ubyte colors @X)
romsub $1017 = scan_char() -> ubyte @A, ubyte @X
romsub $101a = hline(ubyte char @A, ubyte length @Y, ubyte colors @X) clobbers(A)
romsub $101d = vline(ubyte char @A, ubyte height @Y, ubyte colors @X) clobbers(A)
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romsub $1020 = print_str(str txtstring @R0, ubyte length @Y, ubyte colors @X, ubyte convertchars @A) clobbers(A, Y)
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romsub $1023 = fill_box(ubyte char @A, ubyte width @R1, ubyte height @R2, ubyte colors @X) clobbers(A, Y)
romsub $1026 = pet2scr(ubyte char @A) -> ubyte @A
romsub $1029 = scr2pet(ubyte char @A) -> ubyte @A
romsub $102c = border(ubyte mode @A, ubyte width @R1, ubyte height @R2, ubyte colors @X) clobbers(Y) ; NOTE: mode 6 means 'custom' characters taken from r3 - r6
romsub $102f = save_rect(ubyte ramtype @A, bool vbank1 @Pc, uword address @R0, ubyte width @R1, ubyte height @R2) clobbers(A, X, Y)
romsub $1032 = rest_rect(ubyte ramtype @A, bool vbank1 @Pc, uword address @R0, ubyte width @R1, ubyte height @R2) clobbers(A, X, Y)
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romsub $1035 = input_str(uword buffer @R0, ubyte buflen @Y, ubyte colors @X) clobbers (A) -> ubyte @Y ; Y=length of input
romsub $1038 = get_bank() clobbers (A) -> bool @Pc
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romsub $103b = get_stride() -> ubyte @A
romsub $103e = get_decr() clobbers (A) -> bool @Pc
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; -- helper function to do string length counting for you internally, and turn the convertchars flag into a boolean again
asmsub print_str2(str txtstring @R0, ubyte colors @X, bool convertchars @Pc) clobbers(A, Y) {
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%asm {{
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lda #0
bcs +
lda #$80
+ pha
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lda cx16.r0
ldy cx16.r0+1
jsr prog8_lib.strlen
pla
jmp print_str
}}
}
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}