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author | Kartik Agaram <vc@akkartik.com> | 2020-06-05 14:06:57 -0700 |
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committer | Kartik Agaram <vc@akkartik.com> | 2020-06-05 14:08:28 -0700 |
commit | da9f0082dbd64590bfa37c1d2f77d0b871b207bb (patch) | |
tree | 3af0ca9ae847aa7bc30aac303270c5f2fb04bf07 /prototypes/browse/20 | |
parent | d7f41fd02a20504b858793f033bcfce994fe454d (diff) | |
download | mu-da9f0082dbd64590bfa37c1d2f77d0b871b207bb.tar.gz |
6470
No, we can stay with the previous prototype a little longer.
Diffstat (limited to 'prototypes/browse/20')
-rw-r--r-- | prototypes/browse/20/file-state.mu | 44 | ||||
-rw-r--r-- | prototypes/browse/20/main.mu | 50 | ||||
-rw-r--r-- | prototypes/browse/20/screen-position-state.mu | 128 |
3 files changed, 0 insertions, 222 deletions
diff --git a/prototypes/browse/20/file-state.mu b/prototypes/browse/20/file-state.mu deleted file mode 100644 index 35f40229..00000000 --- a/prototypes/browse/20/file-state.mu +++ /dev/null @@ -1,44 +0,0 @@ -type file-state { - source: (handle buffered-file) - eof?: boolean -} - -fn init-file-state _self: (addr file-state), filename: (addr array byte) { - var self/eax: (addr file-state) <- copy _self - load-file self, filename - var eof/eax: (addr boolean) <- get self, eof? - copy-to *eof, 0 # false -} - -fn load-file _self: (addr file-state), filename: (addr array byte) { - var self/eax: (addr file-state) <- copy _self - var out/esi: (addr handle buffered-file) <- get self, source - open filename, 0, out # 0 = read mode -} - -fn next-char _self: (addr file-state) -> result/eax: byte { - var self/ecx: (addr file-state) <- copy _self - var source/eax: (addr handle buffered-file) <- get self, source - var in/eax: (addr buffered-file) <- lookup *source - result <- read-byte-buffered in - # if result == EOF, set eof? - compare result, 0xffffffff # EOF marker - { - var eof/ecx: (addr boolean) <- get self, eof? - copy-to *eof, 1 # true - } -} - -fn done-reading? _self: (addr file-state) -> result/eax: boolean { - var self/eax: (addr file-state) <- copy _self - var eof/eax: (addr boolean) <- get self, eof? - result <- copy *eof -} - -fn dump in: (addr buffered-file) { - var c/eax: byte <- read-byte-buffered in - compare c, 0xffffffff # EOF marker - break-if-= - print-byte c - loop -} diff --git a/prototypes/browse/20/main.mu b/prototypes/browse/20/main.mu deleted file mode 100644 index 6457ca81..00000000 --- a/prototypes/browse/20/main.mu +++ /dev/null @@ -1,50 +0,0 @@ -fn main args: (addr array (addr array byte)) -> exit-status/ebx: int { - # initialize fs from args[1] - var filename/eax: (addr array byte) <- first-arg args - var file-state-storage: file-state - var fs/esi: (addr file-state) <- address file-state-storage - init-file-state fs, filename - # - enable-screen-grid-mode - enable-keyboard-immediate-mode - # initialize screen state from screen size - var screen-position-state-storage: screen-position-state - var screen-position-state/eax: (addr screen-position-state) <- address screen-position-state-storage - init-screen-position-state screen-position-state - { - render fs, screen-position-state - var key/eax: byte <- read-key - } - enable-keyboard-type-mode - enable-screen-type-mode - exit-status <- copy 0 -} - -fn render fs: (addr file-state), state: (addr screen-position-state) { - start-drawing state - render-normal fs, state -} - -fn render-normal fs: (addr file-state), state: (addr screen-position-state) { - { - # if done-drawing?(state) break - var done?/eax: boolean <- done-drawing? state - compare done?, 0 # false - break-if-!= - # - var c/eax: byte <- next-char fs - # if (c == EOF) break - compare c, 0xffffffff # EOF marker - break-if-= - # - print-byte c - # - loop - } -} - -fn first-arg args-on-stack: (addr array (addr array byte)) -> out/eax: (addr array byte) { - var args/eax: (addr array (addr array byte)) <- copy args-on-stack - var result/eax: (addr addr array byte) <- index args, 1 - out <- copy *result -} 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 -} |