339 lines
12 KiB
Plaintext
339 lines
12 KiB
Plaintext
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{
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}
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CON
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_CLKMODE = XTAL1 + PLL16X
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_XINFREQ = 5_000_000
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_stack = ($3000 + $3000 + 100) >> 2
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x_tiles = 16
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y_tiles = 12
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paramcount = 14
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bitmap_base = $2000
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display_base = $5000
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max_x = x_tiles * 16
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max_y = y_tiles * 16
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s_obj = 200 'scale
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d_obj = 64 'durchmesser
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r_obj = d_obj/2 'radius
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rotvar = 16 'rotationsvarianz
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arcstep = 16
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arcdistx = 0
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arcdisty = -100
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rband = 10
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VAR
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long tv_status '0/1/2 = off/visible/invisible read-only
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long tv_enable '0/? = off/on write-only
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long tv_pins '%ppmmm = pins write-only
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long tv_mode '%ccinp = chroma,interlace,ntsc/pal,swap write-only
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long tv_screen 'pointer to screen (words) write-only
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long tv_colors 'pointer to colors (longs) write-only
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long tv_hc 'horizontal cells write-only
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long tv_vc 'vertical cells write-only
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long tv_hx 'horizontal cell expansion write-only
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long tv_vx 'vertical cell expansion write-only
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long tv_ho 'horizontal offset write-only
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long tv_vo 'vertical offset write-only
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long tv_broadcast 'broadcast frequency (Hz) write-only
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long tv_auralcog 'aural fm cog write-only
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word screen[x_tiles * y_tiles] 'tilemap
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long colors[64] 'farbregister
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OBJ
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tv : "bel-tv" 'located in default Library
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gr : "bel-graphics-xor" 'located in default Library
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mouse : "bel-mouse"
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PUB main | x,y,rflag,k
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init_subsystem
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x := max_x/2
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y := max_y/2
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repeat
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gr.clear
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logo(max_x/2,max_y/2,0-cnt>>16,9,1)
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logo(max_x/2,max_y/2,cnt>>14,17,2)
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'mousefunctions
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x += mouse.delta_x
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y += mouse.delta_y
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rflag := mouse.buttons
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' scroller
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gr.colorwidth(3, 8)
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gr.textmode( 5, 5, 6, 0 )
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gr.text( 500-(k & $7ff), 60, @text1 )
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k += 2
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gr.copy(display_base)
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ifexit
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PRI ifexit
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if mouse.buttons == 2
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reboot
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DAT 'scrolltext
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text1 byte "HIVE"
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PRI logo(x,y,angle,radius,col)|x1,y1,x2,y2,x3,y3
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gr.colorwidth(col, 10) 'lines
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x1 := x + sin(angle)/(radius*100)
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y1 := y + cos(angle)/(radius*100)
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gr.plot(x1,y1)
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x2 := x + sin(angle+2730)/(radius*100)
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y2 := y + cos(angle+2730)/(radius*100)
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gr.line(x2,y2)
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x3 := x + sin(angle+5460)/(radius*100)
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y3 := y + cos(angle+5460)/(radius*100)
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gr.line(x3,y3)
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gr.line(x1,y1)
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gr.colorwidth(0, 15) 'black arcs
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gr.arc(x1, y1, 9, 9, 0, $1fff/(arcstep-1), arcstep, 2)
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gr.arc(x2, y2, 9, 9, 0, $1fff/(arcstep-1), arcstep, 2)
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gr.arc(x3, y3, 9, 9, 0, $1fff/(arcstep-1), arcstep, 2)
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gr.colorwidth(col, 5) 'colored arcs
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gr.arc(x1, y1, 20, 20, 0, $1fff/(arcstep-1), arcstep, 2)
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gr.arc(x2, y2, 20, 20, 0, $1fff/(arcstep-1), arcstep, 2)
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gr.arc(x3, y3, 20, 20, 0, $1fff/(arcstep-1), arcstep, 2)
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PRI kreis(x,y,angle,radius,col)|xc,yc
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xc := x + sin(angle)/(radius*100)
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yc := y + cos(angle)/(radius*100)
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gr.colorwidth(0, 15)
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gr.arc(xc, yc, 9, 9, 0, $1fff/(arcstep-1), arcstep, 2)
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gr.colorwidth(col, 5)
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gr.arc(xc, yc, 20, 20, 0, $1fff/(arcstep-1), arcstep, 2)
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PRI logo2(x,y,a,c)
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'draw objects
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gr.colorwidth(c, 10)
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gr.plot(x, y+25)
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gr.line(x-29, y-25)
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gr.line(x+29, y-25)
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gr.line(x,y+25)
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gr.colorwidth(0, 15)
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gr.arc(x, y+25, 9, 9, 0, $1fff/(arcstep-1), arcstep, 2)
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gr.arc(x-29, y-25, 9, 9, 0, $1fff/(arcstep-1), arcstep, 2)
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gr.arc(x+29, y-25, 9, 9, 0, $1fff/(arcstep-1), arcstep, 2)
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gr.colorwidth(c, 5)
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gr.arc(x, y+25, 20, 20, 0, $1fff/(arcstep-1), arcstep, 2)
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gr.arc(x-29, y-25, 20, 20, 0, $1fff/(arcstep-1), arcstep, 2)
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gr.arc(x+29, y-25, 20, 20, 0, $1fff/(arcstep-1), arcstep, 2)
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PRI init_subsystem | i,dx,dy
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'tv-treiber starten
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longmove(@tv_status, @tvparams, paramcount)
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tv_screen := @screen
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tv_colors := @colors
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tv.start(@tv_status)
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' farbtabelle setzen
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' PPPP_M_LLL
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' ---+ | --+
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' | | +- 0..1 sync
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' | | 2..6 helligkeit b/w
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' | | 2..6 helligkeit col
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' | | 7 -
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' | +----- 0 - b/w
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' | 1 - col
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' +------- ntsc-palette (blau...grün..rot)
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'
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' b/w - 6 helligkeitsstufen 6
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' col - 16color x 5 luma 64
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' hsat - 16 highsat-farben 16
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'
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' $aa_bb_cc_dd
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' $aa - color 3
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' $bb - color 2
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' $cc - color 1
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' $dd - color 0 (hintergrund)
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repeat i from 0 to 63
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' colors[i] := %1010_1_101__0000_0_010__0010_1_111__0000_0_111
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' colors[i] := %1010_1_101__0000_0_010__0010_1_111__0011_0_111
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' colors[i] := c_hsat(3,0)+c_hsat(2,2)+c_hsat(1,6)+c_hsat(0,8) 'gesättigte farben
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' colors[i] := c_bw(3,1)+c_bw(2,2)+c_bw(1,3)+c_bw(0,4) 'graustufen
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' colors[i] := c_col(3,0,2)+c_col(2,3,2)+c_col(1,6,2)+c_col(0,9,2)
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colors[i] := $00001010 * (i<<1+4) & $F + $0D060D02 'farbverlauf
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'init tile screen
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repeat dx from 0 to tv_hc - 1
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repeat dy from 0 to tv_vc - 1
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screen[dy * tv_hc + dx] := display_base >> 6 + dy + dx * tv_vc + ((dy & $3F) << 10)
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'start and setup graphics
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gr.start
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gr.setup(tv_hc, tv_vc, 0, 0, bitmap_base)
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'mouse
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mouse.start(19, 18)
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PUB set_tile_color(tilex, tiley, palette) | temp 'doug@opengeek.org
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'The screen[] array contains both the tile HUB image data address, and an index into the color palette
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'array, which can be defined as a DAT block, as done in this program, or as a VAR as done in the
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'original
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'The lower 10 bits are the HUB image address data (where the pixels are defined)
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'The upper 6 bits point to sets of colors, contained in the colors[] array
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temp := screen[tiley * tv_hc + tilex] 'get current screen tile value
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temp := temp & %00000011_11111111 'clear color palette index value, leaving image address bits
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temp := temp + (palette << 10) 'replace color palette index value with the new one
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screen[tiley * tv_hc + tilex] := temp 'update the screen
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PUB set_color_palette(palette_num, palette_colors) 'doug@opengeek.org
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'only 64 palettes possible... (& %111111) insures no overwrite occurs on larger values
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'the colors run like this in the long: 33_22_11_00, where 33 = color 3, 22 = color 2, etc...
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'color 00 is the background color.
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colors[palette_num & %111111] := palette_colors 'Write the colors into the colors[] array
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PUB set_tile_address(tilex, tiley, HUB_address) | temp 'doug@opengeek.org
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temp := screen[tiley * tv_hc + tilex] 'Get current screen tile value from screen[] array
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temp := temp & %11111100_00000000 'Zero out the screen memory address pointer bits, leaving color bits
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temp := temp + (HUB_address >> 6) 'Set screen memory pointer bits, from the most significant bits in the HUB
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'address given. Tiles must be 64 byte aligned, due to how the TV driver
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'decodes the screen array bits, 6 for color, 10 for screen pixel address in HUB
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screen[tiley * tv_hc + tilex] := temp 'Update screen array for that tile, reflecting address change.
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PUB get_tile_address(tilex, tiley) | temp 'doug@opengeek.org
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temp := screen[tiley * tv_hc + tilex] 'Get current screen tile value from screen[] array
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temp := temp & %00000011_11111111 'Zero out the color bits, leaving just the address
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temp := temp << 6 'Shift to reflect effective HUB address. Tiles must
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'be 64 byte aligned, due to how the TV driver
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'decodes the screen array bits, 6 for color, 10 for
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'screen pixel address in HUB
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return temp 'return that address!
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PRI c_hsat(bnr,cnr):col 'tool: erzeugt einen gesättigten farbwert
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' bnr : bytenummer
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' cnr : 0..15 farbnummer
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col := (%0000_1_000 + (cnr<<4))<<(bnr*8)
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PRI c_bw(bnr,cnr):col 'tool: erzeugt einen monochromwert
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' bnr : bytenummer
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' cnr : 0..5 graustufen
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col := (%0000_0_000 + cnr+2)<<(bnr*8)
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PRI c_col(bnr,chroma,lumi):col 'tool: erzeugt einen farbwert
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' bnr : bytenummer
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' croma : 0..15 chroma
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' lumi : 0..5 luminanz
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col := (%0000_1_000+(lumi+2)+(chroma<<4))<<(bnr*8)
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PRI cos(angle) : x
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x := sin(angle + $800)
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PRI sin(angle) : y
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'' Get sine of angle (0-8191)
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y := angle << 1 & $FFE ' address
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if angle & $800
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y := word[$F000 - y]
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else
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y := word[$E000 + y]
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if angle & $1000
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-y
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DAT 'tv-parameter
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tvparams long 0 'status
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long 1 'enable
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long %010_0101 'pins New Board
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long %0000 'mode
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long 0 'screen
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long 0 'colors
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long x_tiles 'hc - horizontale tiles
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long y_tiles 'vc - vertikale tiles
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long 10 'hx
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long 1 'vx
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long 0 'ho
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long 0 'vo
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long 60_000_000 '_xinfreq<<4 'broadcast
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long 0 'auralcog
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DAT 'vektorobjekte
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vecdef1 word $4000+$2000/3*0 'triangle
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word 50
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word $8000+$2000/3*1+1
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word 50
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word $8000+$2000/3*2-1
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word 50
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word $8000+$2000/3*0
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word 50
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word 0
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vecdef2 word $4000+$2000/12*0 'star
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word 50
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word $8000+$2000/12*1
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word 20
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word $8000+$2000/12*2
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word 50
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word $8000+$2000/12*3
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word 20
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word $8000+$2000/12*4
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word 50
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word $8000+$2000/12*5
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word 20
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word $8000+$2000/12*6
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word 50
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word $8000+$2000/12*7
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word 20
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word $8000+$2000/12*8
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word 50
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word $8000+$2000/12*9
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word 20
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word $8000+$2000/12*10
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word 50
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word $8000+$2000/12*11
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word 20
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word $8000+$2000/12*0
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word 50
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word 0
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vecdef3 word $4000+$2000/4*0 'box
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word 50
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word $8000+$2000/4*1
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word 30
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word $8000+$2000/4*2
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word 50
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word $8000+$2000/4*3
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word 30
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word $8000+$2000/4*0
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word 50
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word 0
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