diff options
Diffstat (limited to 'apps/tile.mu')
| -rw-r--r-- | apps/tile.mu | 44 |
1 files changed, 29 insertions, 15 deletions
diff --git a/apps/tile.mu b/apps/tile.mu index 905ae9ac..c7067e83 100644 --- a/apps/tile.mu +++ b/apps/tile.mu @@ -1,4 +1,11 @@ # Randomly tile from a given set of tiles +# +# To build: +# $ git clone https://github.com/akkartik/mu +# $ cd mu +# $ ./translate apps/tile.mu +# To run: +# $ qemu-system-i386 code.img type tile { data: (handle array handle array int) @@ -13,7 +20,7 @@ fn main screen: (addr screen), keyboard: (addr keyboard), data-disk: (addr disk) #? set-tile tiles, 0/idx, 1 0 0, 0 1 0, 0 0 1 #? set-tile tiles, 1/idx, 0 0 1, 0 1 0, 1 0 0 - # https://post.lurk.org/@paul/107425083075253587 + # https://pbat.ch/wiki/trikuf var tiles-storage: (array tile 0x62) var tiles/esi: (addr array tile) <- address tiles-storage set-tile tiles, 0x00/idx, 1 1 1, 0 1 0, 0 0 0 @@ -123,7 +130,7 @@ fn main screen: (addr screen), keyboard: (addr keyboard), data-disk: (addr disk) } var step/eax: int <- copy 0 { - render-random screen, tiles, 0xc/pixels-per-tile, step + render-random screen, tiles, 4/pixels-per-cell, step { var key/eax: byte <- read-key keyboard compare key, 0 @@ -194,15 +201,16 @@ fn render-tiles screen: (addr screen), _tiles: (addr array tile) { #? draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, i, 0x31, 0 var tile/eax: (addr tile) <- index tiles, i var start-x/edx: int <- copy i - start-x <- and 0xf # 16 cells per row - start-x <- shift-left 4/pixels-per-cell + start-x <- and 0xf/tiles-per-row-minus-one + start-x <- shift-left 5 # ceil(log(3 * pixels-per-cell)) start-x <- add 0x20/left-margin +#? draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, start-x, 0x31 0 var start-y/ebx: int <- copy i - start-y <- shift-right 4 # 16 cells per row - start-y <- shift-left 4/pixels-per-cell + start-y <- shift-right 4/log2-tiles-per-row + start-y <- shift-left 5 # ceil(log(3 * pixels-per-cell)) start-y <- add 0x20/top-margin #? draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, start-x, 0x31, 0 - render-tile screen, tile, start-x, start-y, 4/pixels-per-cell # 4 * 3 + 4 = 16 pixels wide + render-tile screen, tile, start-x, start-y, 8/pixels-per-cell i <- increment loop } @@ -229,6 +237,8 @@ fn render-tile screen: (addr screen), _tile: (addr tile), start-x: int, start-y: var curr/eax: (addr int) <- index curr-row, j var color/eax: int <- copy *curr color <- shift-left 1 +#? draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, x, 9 0 +#? draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, y, 0xc 0 draw-rect2 screen, x y, n n, color j <- increment x <- add n @@ -240,7 +250,7 @@ fn render-tile screen: (addr screen), _tile: (addr tile), start-x: int, start-y: } } -fn render-random screen: (addr screen), _tiles: (addr array tile), n: int, seed: int { +fn render-random screen: (addr screen), _tiles: (addr array tile), pixels-per-cell: int, seed: int { draw-rect screen, 0 0, 0x400 0x300, 8 var tiles/esi: (addr array tile) <- copy _tiles var rand/edi: int <- next-random seed @@ -255,17 +265,21 @@ fn render-random screen: (addr screen), _tiles: (addr array tile), n: int, seed: break-if->= var i/eax: int <- remainder rand, num-tiles var tile/eax: (addr tile) <- index tiles, i - render-tile-without-margin screen, tile, x, y, 4/pixels-per-cell - x <- add n + render-tile-without-margin screen, tile, x, y, pixels-per-cell + x <- add pixels-per-cell + x <- add pixels-per-cell + x <- add pixels-per-cell rand <- next-random rand loop } - y <- add n + y <- add pixels-per-cell + y <- add pixels-per-cell + y <- add pixels-per-cell loop } } -fn render-tile-without-margin screen: (addr screen), _tile: (addr tile), start-x: int, start-y: int, n: int { +fn render-tile-without-margin screen: (addr screen), _tile: (addr tile), start-x: int, start-y: int, pixels-per-cell: int { var tile/esi: (addr tile) <- copy _tile var y/ecx: int <- copy start-y var rows-ah/eax: (addr handle array handle array int) <- get tile, data @@ -284,13 +298,13 @@ fn render-tile-without-margin screen: (addr screen), _tile: (addr tile), start-x var curr/eax: (addr int) <- index curr-row, j var color/eax: int <- copy *curr color <- shift-left 1 - draw-rect2 screen, x y, n n, color + draw-rect2 screen, x y, pixels-per-cell pixels-per-cell, color j <- increment - x <- add n + x <- add pixels-per-cell loop } i <- increment - y <- add n + y <- add pixels-per-cell loop } } |