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# Drawing ASCII text incrementally.
#
# To build a disk image:
# ./translate_mu_baremetal baremetal/ex6.mu # emits disk.img
# To run:
# qemu-system-i386 disk.img
# Or:
# bochs -f baremetal/boot.bochsrc # boot.bochsrc loads disk.img
#
# Expected output: a box and text that doesn't overflow it
fn main {
# drawing text within a bounding box
draw-box-on-real-screen 0xf, 0x1f, 0x79, 0x51, 0x4
var x/eax: int <- copy 0x20
var y/ecx: int <- copy 0x20
x, y <- draw-text-wrapping-right-then-down 0, "hello ", 0x10, 0x20, 0x78, 0x50, x, y, 0xa # (0x10, 0x20) -> (0x78, 0x50)
x, y <- draw-text-wrapping-right-then-down 0, "from ", 0x10, 0x20, 0x78, 0x50, x, y, 0xa
x, y <- draw-text-wrapping-right-then-down 0, "baremetal ", 0x10, 0x20, 0x78, 0x50, x, y, 0xa
x, y <- draw-text-wrapping-right-then-down 0, "Mu!", 0x10, 0x20, 0x78, 0x50, x, y, 0xa
# drawing at the cursor in multiple directions
draw-text-wrapping-down-then-right-from-cursor-over-full-screen 0, "abc", 0xa
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0, "def", 0xa
# test drawing near the edge
x <- draw-text-rightward 0, "R", 0x3f8, 0x400, 0x100, 0xa # 0x400 = screen-width
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0, "wrapped from R", 0xa
x <- draw-text-downward 0, "D", 0x100, 0x2f0, 0x300, 0xa # 0x300 = screen-height
draw-text-wrapping-down-then-right-from-cursor-over-full-screen 0, "wrapped from D", 0xa
}
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