diff options
Diffstat (limited to 'baremetal/500text-screen.mu')
| -rw-r--r-- | baremetal/500text-screen.mu | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/baremetal/500text-screen.mu b/baremetal/500text-screen.mu index b387496f..fbc2ef43 100644 --- a/baremetal/500text-screen.mu +++ b/baremetal/500text-screen.mu @@ -112,11 +112,11 @@ fn cursor-position screen: (addr screen) -> _/eax: int, _/ecx: int { return *cursor-x-addr, *cursor-y-addr } -fn set-cursor-position screen: (addr screen), x: int, y: int { +fn set-cursor-position screen: (addr screen), x: int, y: int, g: grapheme { { compare screen, 0 break-if-!= - set-cursor-position-on-real-screen x, y + set-cursor-position-on-real-screen x, y, g return } # fake screen @@ -157,6 +157,11 @@ fn set-cursor-position screen: (addr screen), x: int, y: int { dest <- get screen-addr, cursor-y src <- copy y copy-to *dest, src + # + var cursor-x/eax: int <- copy 0 + var cursor-y/ecx: int <- copy 0 + cursor-x, cursor-y <- cursor-position screen-addr + draw-grapheme screen-addr, g, cursor-x, cursor-y, 0 # cursor color not tracked for fake screen } fn clear-screen screen: (addr screen) { @@ -168,7 +173,7 @@ fn clear-screen screen: (addr screen) { } # fake screen var space/edi: grapheme <- copy 0x20 - set-cursor-position screen, 0, 0 + set-cursor-position screen, 0, 0, space var screen-addr/esi: (addr screen) <- copy screen var y/eax: int <- copy 1 var height/ecx: (addr int) <- get screen-addr, height @@ -187,7 +192,7 @@ fn clear-screen screen: (addr screen) { y <- increment loop } - set-cursor-position screen, 0, 0 + set-cursor-position screen, 0, 0, space } # there's no grapheme that guarantees to cover every pixel, so we'll bump down |