From da9f0082dbd64590bfa37c1d2f77d0b871b207bb Mon Sep 17 00:00:00 2001 From: Kartik Agaram Date: Fri, 5 Jun 2020 14:06:57 -0700 Subject: 6470 No, we can stay with the previous prototype a little longer. --- prototypes/browse/20/screen-position-state.mu | 128 -------------------------- 1 file changed, 128 deletions(-) delete mode 100644 prototypes/browse/20/screen-position-state.mu (limited to 'prototypes/browse/20/screen-position-state.mu') diff --git a/prototypes/browse/20/screen-position-state.mu b/prototypes/browse/20/screen-position-state.mu deleted file mode 100644 index 3bfd361b..00000000 --- a/prototypes/browse/20/screen-position-state.mu +++ /dev/null @@ -1,128 +0,0 @@ -type screen-position-state { - nrows: int # const - ncols: int # const - toprow: int - botrow: int - leftcol: int - rightcol: int - row: int - col: int -} - -fn init-screen-position-state _self: (addr screen-position-state) { - # hardcoded parameters: - # top-margin - # page-margin - # text-width - # page-height (temporary) - var self/esi: (addr screen-position-state) <- copy _self - var nrows/eax: int <- copy 0 - var ncols/ecx: int <- copy 0 - nrows, ncols <- screen-size - var dest/edx: (addr int) <- copy 0 - # self->nrows = nrows - dest <- get self, nrows - copy-to *dest, nrows - # self->ncols = ncols - dest <- get self, ncols - copy-to *dest, ncols - # self->toprow = top-margin - dest <- get self, toprow - copy-to *dest, 2 # top-margin - # self->botrow = nrows - dest <- get self, botrow - copy-to *dest, 0x22 # top-margin + page-height - # self->leftcol = page-margin - dest <- get self, leftcol - copy-to *dest, 5 # left-margin - # self->rightcol = self->leftcol + text-width - dest <- get self, rightcol - copy-to *dest, 0x45 # left-margin + text-width - # - start-drawing self -} - -fn start-drawing _self: (addr screen-position-state) { - var self/esi: (addr screen-position-state) <- copy _self - var tmp/eax: (addr int) <- copy 0 - var tmp2/ecx: int <- copy 0 - # self->row = self->toprow - tmp <- get self, toprow - tmp2 <- copy *tmp - tmp <- get self, row - copy-to *tmp, tmp2 - # self->col = self->leftcol - tmp <- get self, leftcol - tmp2 <- copy *tmp - tmp <- get self, col - copy-to *tmp, tmp2 - # - reposition-cursor self -} - -fn add-char _self: (addr screen-position-state), c: byte { - var self/esi: (addr screen-position-state) <- copy _self - # print c - print-byte c - # self->col++ - var tmp/eax: (addr int) <- get self, col - increment *tmp - # if (self->col > self->rightcol) next-line(self) - var tmp2/ecx: int <- copy *tmp - tmp <- get self, rightcol - compare tmp2, *tmp - { - break-if-<= - next-line self - reposition-cursor self - } -} - -fn next-line _self: (addr screen-position-state) { - var self/esi: (addr screen-position-state) <- copy _self - # self->row++ - var tmp/eax: (addr int) <- get self, row - increment *tmp - # if (self->row > self->botrow) next-page(self) - var tmp2/ecx: int <- copy *tmp - tmp <- get self, botrow - compare tmp2, *tmp - { - break-if-<= - next-page self - } -} - -fn next-page _self: (addr screen-position-state) { - var self/esi: (addr screen-position-state) <- copy _self - # TMP - var tmp/eax: (addr int) <- get self, row - increment *tmp -} - -fn done-drawing? _self: (addr screen-position-state) -> result/eax: boolean { - var self/esi: (addr screen-position-state) <- copy _self - # TMP - var r/eax: (addr int) <- get self, row - var tmp/ecx: (addr int) <- get self, botrow - var max/ecx: int <- copy *tmp -$done-drawing?:check: { - compare *r, max - { - break-if->= - result <- copy 0 # false - break $done-drawing?:check - } - { - break-if-< - result <- copy 1 # true - } - } -} - -fn reposition-cursor _self: (addr screen-position-state) { - var self/esi: (addr screen-position-state) <- copy _self - var r/eax: (addr int) <- get self, row - var c/ecx: (addr int) <- get self, col - move-cursor *r *c -} -- cgit 1.4.1-2-gfad0