2020-08-22 21:37:45 +00:00
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# Wrappers for real screen primitives that can be passed a fake screen.
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2020-09-07 04:36:05 +00:00
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# The tests here have been painstakingly validated against a real terminal
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# emulator. I believe functionality here is broadly portable across terminal
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# emulators.
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2020-08-22 21:37:45 +00:00
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#
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# Remember: fake screen co-ordinates are 1-based, just like in real terminal
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# emulators.
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2020-08-02 06:06:41 +00:00
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type screen {
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num-rows: int
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num-cols: int
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data: (handle array screen-cell)
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top-index: int
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cursor-row: int
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cursor-col: int
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cursor-hide?: boolean
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curr-attributes: screen-cell
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}
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type screen-cell {
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2020-08-22 21:37:45 +00:00
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data: grapheme
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2020-08-02 06:06:41 +00:00
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color: int
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background-color: int
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bold?: boolean
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underline?: boolean
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reverse?: boolean
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blink?: boolean
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}
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fn initialize-screen screen: (addr screen), nrows: int, ncols: int {
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var screen-addr/esi: (addr screen) <- copy screen
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var tmp/eax: int <- copy 0
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var dest/edi: (addr int) <- copy 0
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# screen->num-rows = nrows
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dest <- get screen-addr, num-rows
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tmp <- copy nrows
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copy-to *dest, tmp
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# screen->num-cols = ncols
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dest <- get screen-addr, num-cols
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tmp <- copy ncols
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copy-to *dest, tmp
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# screen->data = new screen-cell[nrows*ncols]
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{
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var data-addr/edi: (addr handle array screen-cell) <- get screen-addr, data
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tmp <- multiply nrows
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populate data-addr, tmp
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}
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# screen->cursor-row = 1
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dest <- get screen-addr, cursor-row
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copy-to *dest, 1
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# screen->cursor-col = 1
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dest <- get screen-addr, cursor-col
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copy-to *dest, 1
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2020-08-02 06:41:48 +00:00
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# screen->curr-attributes->background-color = 7 (simulate light background)
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var tmp2/eax: (addr screen-cell) <- get screen-addr, curr-attributes
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dest <- get tmp2, background-color
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copy-to *dest, 7
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2020-08-02 06:06:41 +00:00
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}
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fn screen-size screen: (addr screen) -> nrows/eax: int, ncols/ecx: int {
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$screen-size:body: {
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compare screen, 0
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{
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break-if-!=
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nrows, ncols <- real-screen-size
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break $screen-size:body
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}
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{
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break-if-=
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# fake screen
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var screen-addr/esi: (addr screen) <- copy screen
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var tmp/edx: (addr int) <- get screen-addr, num-rows
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nrows <- copy *tmp
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tmp <- get screen-addr, num-cols
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ncols <- copy *tmp
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}
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}
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}
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fn clear-screen screen: (addr screen) {
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$clear-screen:body: {
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compare screen, 0
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{
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break-if-!=
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clear-real-screen
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break $clear-screen:body
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}
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{
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break-if-=
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# fake screen
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2020-08-02 19:05:25 +00:00
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var space/edi: grapheme <- copy 0x20
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2020-08-02 06:41:48 +00:00
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move-cursor screen, 1, 1
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var screen-addr/esi: (addr screen) <- copy screen
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var i/eax: int <- copy 1
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var nrows/ecx: (addr int) <- get screen-addr, num-rows
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{
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compare i, *nrows
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break-if->
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var j/edx: int <- copy 1
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var ncols/ebx: (addr int) <- get screen-addr, num-cols
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{
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compare j, *ncols
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break-if->
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2020-08-02 19:05:25 +00:00
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print-grapheme screen, space
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2020-08-02 06:41:48 +00:00
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j <- increment
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loop
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}
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i <- increment
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loop
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}
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move-cursor screen, 1, 1
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2020-08-02 06:06:41 +00:00
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}
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}
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}
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fn move-cursor screen: (addr screen), row: int, column: int {
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$move-cursor:body: {
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compare screen, 0
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{
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break-if-!=
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move-cursor-on-real-screen row, column
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break $move-cursor:body
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}
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{
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break-if-=
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# fake screen
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2020-08-03 04:19:16 +00:00
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var screen-addr/esi: (addr screen) <- copy screen
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2020-08-22 21:37:45 +00:00
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# row < 0 is ignored
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{
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compare row, 0
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break-if-< $move-cursor:body
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}
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# row = 0 is treated same as 1
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{
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compare row, 0
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break-if-!=
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copy-to row, 1
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}
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# row > num-rows saturates to num-rows
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{
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var nrows-addr/eax: (addr int) <- get screen-addr, num-rows
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var nrows/eax: int <- copy *nrows-addr
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compare row, nrows
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break-if-<=
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copy-to row, nrows
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}
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# column < 0 is ignored
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{
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compare column, 0
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break-if-< $move-cursor:body
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}
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# column = 0 is treated same as 1
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{
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compare column, 0
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break-if-!=
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copy-to column, 1
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}
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# column > num-cols saturates to num-cols+1 (so wrapping to next row)
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{
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var ncols-addr/eax: (addr int) <- get screen-addr, num-cols
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var ncols/eax: int <- copy *ncols-addr
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compare column, ncols
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break-if-<=
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copy-to column, ncols
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increment column
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}
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2020-08-03 04:19:16 +00:00
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# screen->cursor-row = row
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var dest/edi: (addr int) <- get screen-addr, cursor-row
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var src/eax: int <- copy row
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copy-to *dest, src
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# screen->cursor-col = column
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dest <- get screen-addr, cursor-col
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src <- copy column
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copy-to *dest, src
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2020-08-02 06:06:41 +00:00
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}
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}
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}
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fn print-string screen: (addr screen), s: (addr array byte) {
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$print-string:body: {
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compare screen, 0
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{
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break-if-!=
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print-string-to-real-screen s
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break $print-string:body
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}
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{
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break-if-=
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# fake screen
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2020-09-03 04:48:26 +00:00
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var s2: (stream byte 0x100)
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var s2-addr/esi: (addr stream byte) <- address s2
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write s2-addr, s
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var screen-addr/edi: (addr screen) <- copy screen
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{
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var done?/eax: boolean <- stream-empty? s2-addr
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compare done?, 0
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break-if-!=
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var g/eax: grapheme <- read-grapheme s2-addr
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2020-09-07 04:55:11 +00:00
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print-grapheme screen, g
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2020-09-03 04:48:26 +00:00
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loop
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}
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2020-08-02 06:06:41 +00:00
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}
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}
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}
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2020-08-02 19:05:25 +00:00
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fn print-grapheme screen: (addr screen), c: grapheme {
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$print-grapheme:body: {
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2020-08-02 06:06:41 +00:00
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compare screen, 0
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{
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break-if-!=
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2020-08-02 19:05:25 +00:00
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print-grapheme-to-real-screen c
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break $print-grapheme:body
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2020-08-02 06:06:41 +00:00
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}
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{
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break-if-=
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# fake screen
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2020-08-22 21:37:45 +00:00
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var screen-addr/esi: (addr screen) <- copy screen
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2020-09-07 04:55:11 +00:00
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var cursor-col-addr/edx: (addr int) <- get screen-addr, cursor-col
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2020-09-07 05:06:12 +00:00
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# adjust cursor if necessary
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{
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var num-cols-addr/eax: (addr int) <- get screen-addr, num-cols
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var num-cols/eax: int <- copy *num-cols-addr
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compare *cursor-col-addr, num-cols
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break-if-<=
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copy-to *cursor-col-addr, 1
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var cursor-row-addr/eax: (addr int) <- get screen-addr, cursor-row
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increment *cursor-row-addr
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}
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2020-08-22 21:37:45 +00:00
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var idx/ecx: int <- current-screen-cell-index screen-addr
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var data-ah/eax: (addr handle array screen-cell) <- get screen-addr, data
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var data/eax: (addr array screen-cell) <- lookup *data-ah
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var offset/ecx: (offset screen-cell) <- compute-offset data, idx
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var cell/eax: (addr screen-cell) <- index data, offset
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var dest/eax: (addr grapheme) <- get cell, data
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var c2/ecx: grapheme <- copy c
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copy-to *dest, c2
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2020-09-07 04:55:11 +00:00
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increment *cursor-col-addr
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2020-08-02 06:06:41 +00:00
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}
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}
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}
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2020-08-22 21:37:45 +00:00
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fn current-screen-cell-index screen-on-stack: (addr screen) -> result/ecx: int {
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2020-08-29 04:57:06 +00:00
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var screen/esi: (addr screen) <- copy screen-on-stack
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var cursor-row-addr/ecx: (addr int) <- get screen, cursor-row
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var cursor-col-addr/eax: (addr int) <- get screen, cursor-col
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result <- screen-cell-index screen, *cursor-row-addr, *cursor-col-addr
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}
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fn screen-cell-index screen-on-stack: (addr screen), row: int, col: int -> result/ecx: int {
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2020-08-22 21:37:45 +00:00
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var screen/esi: (addr screen) <- copy screen-on-stack
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var num-cols-addr/eax: (addr int) <- get screen, num-cols
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var num-cols/eax: int <- copy *num-cols-addr
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2020-08-29 04:57:06 +00:00
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result <- copy row
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2020-08-22 21:37:45 +00:00
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result <- subtract 1
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result <- multiply num-cols
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2020-08-29 04:57:06 +00:00
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result <- add col
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2020-08-22 21:37:45 +00:00
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result <- subtract 1
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}
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2020-09-03 04:26:40 +00:00
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fn screen-grapheme-at screen-on-stack: (addr screen), row: int, col: int -> result/eax: grapheme {
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var screen-addr/esi: (addr screen) <- copy screen-on-stack
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var idx/ecx: int <- screen-cell-index screen-addr, row, col
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result <- screen-grapheme-at-idx screen-addr, idx
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}
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fn screen-grapheme-at-idx screen-on-stack: (addr screen), idx-on-stack: int -> result/eax: grapheme {
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var screen-addr/esi: (addr screen) <- copy screen-on-stack
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var data-ah/eax: (addr handle array screen-cell) <- get screen-addr, data
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var data/eax: (addr array screen-cell) <- lookup *data-ah
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var idx/ecx: int <- copy idx-on-stack
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var offset/ecx: (offset screen-cell) <- compute-offset data, idx
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var cell/eax: (addr screen-cell) <- index data, offset
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var src/eax: (addr grapheme) <- get cell, data
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result <- copy *src
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}
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2020-08-03 03:14:50 +00:00
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fn print-code-point screen: (addr screen), c: code-point {
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var g/eax: grapheme <- to-grapheme c
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print-grapheme screen, g
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}
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2020-08-02 06:06:41 +00:00
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fn print-int32-hex screen: (addr screen), n: int {
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$print-int32-hex:body: {
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compare screen, 0
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{
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break-if-!=
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print-int32-hex-to-real-screen n
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break $print-int32-hex:body
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}
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{
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break-if-=
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# fake screen
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}
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}
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}
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fn reset-formatting screen: (addr screen) {
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$reset-formatting:body: {
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compare screen, 0
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{
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break-if-!=
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reset-formatting-on-real-screen
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break $reset-formatting:body
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}
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{
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break-if-=
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# fake screen
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}
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}
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}
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fn start-color screen: (addr screen), fg: int, bg: int {
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$start-color:body: {
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compare screen, 0
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{
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break-if-!=
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start-color-on-real-screen fg, bg
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break $start-color:body
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}
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{
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break-if-=
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# fake screen
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}
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}
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}
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fn start-bold screen: (addr screen) {
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$start-bold:body: {
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compare screen, 0
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{
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break-if-!=
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start-bold-on-real-screen
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break $start-bold:body
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}
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{
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break-if-=
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# fake screen
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}
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}
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}
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fn start-underline screen: (addr screen) {
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$start-underline:body: {
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compare screen, 0
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{
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break-if-!=
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start-underline-on-real-screen
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break $start-underline:body
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}
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{
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break-if-=
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# fake screen
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}
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}
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}
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fn start-reverse-video screen: (addr screen) {
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$start-reverse-video:body: {
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compare screen, 0
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|
{
|
|
|
|
break-if-!=
|
|
|
|
start-reverse-video-on-real-screen
|
|
|
|
break $start-reverse-video:body
|
|
|
|
}
|
|
|
|
{
|
|
|
|
break-if-=
|
|
|
|
# fake screen
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
fn start-blinking screen: (addr screen) {
|
|
|
|
$start-blinking:body: {
|
|
|
|
compare screen, 0
|
|
|
|
{
|
|
|
|
break-if-!=
|
|
|
|
start-blinking-on-real-screen
|
|
|
|
break $start-blinking:body
|
|
|
|
}
|
|
|
|
{
|
|
|
|
break-if-=
|
|
|
|
# fake screen
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
fn hide-cursor screen: (addr screen) {
|
|
|
|
$hide-cursor:body: {
|
|
|
|
compare screen, 0
|
|
|
|
{
|
|
|
|
break-if-!=
|
|
|
|
hide-cursor-on-real-screen
|
|
|
|
break $hide-cursor:body
|
|
|
|
}
|
|
|
|
{
|
|
|
|
break-if-=
|
|
|
|
# fake screen
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
fn show-cursor screen: (addr screen) {
|
|
|
|
$show-cursor:body: {
|
|
|
|
compare screen, 0
|
|
|
|
{
|
|
|
|
break-if-!=
|
|
|
|
show-cursor-on-real-screen
|
|
|
|
break $show-cursor:body
|
|
|
|
}
|
|
|
|
{
|
|
|
|
break-if-=
|
|
|
|
# fake screen
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2020-08-22 21:37:45 +00:00
|
|
|
|
|
|
|
# validate data on screen regardless of attributes (color, bold, etc.)
|
|
|
|
# Mu doesn't have multi-line strings, so we provide functions for rows or portions of rows.
|
2020-09-07 04:36:05 +00:00
|
|
|
# Tab characters (that translate into multiple screen cells) not supported.
|
2020-08-22 21:37:45 +00:00
|
|
|
|
2020-09-07 04:39:05 +00:00
|
|
|
fn check-screen-row screen: (addr screen), row-idx: int, expected: (addr array byte), msg: (addr array byte) {
|
|
|
|
check-screen-row-from screen, row-idx, 1, expected, msg
|
|
|
|
}
|
|
|
|
|
|
|
|
fn check-screen-row-from screen-on-stack: (addr screen), row-idx: int, col-idx: int, expected: (addr array byte), msg: (addr array byte) {
|
2020-08-29 04:57:06 +00:00
|
|
|
var screen/esi: (addr screen) <- copy screen-on-stack
|
2020-09-07 04:39:05 +00:00
|
|
|
var idx/ecx: int <- screen-cell-index screen, row-idx, col-idx
|
2020-09-03 04:26:40 +00:00
|
|
|
# compare 'expected' with the screen contents starting at 'idx', grapheme by grapheme
|
|
|
|
var e: (stream byte 0x100)
|
|
|
|
var e-addr/edx: (addr stream byte) <- address e
|
|
|
|
write e-addr, expected
|
|
|
|
{
|
|
|
|
var done?/eax: boolean <- stream-empty? e-addr
|
|
|
|
compare done?, 0
|
|
|
|
break-if-!=
|
|
|
|
var g/eax: grapheme <- screen-grapheme-at-idx screen, idx
|
|
|
|
var g2/ebx: int <- copy g
|
|
|
|
var expected-grapheme/eax: grapheme <- read-grapheme e-addr
|
|
|
|
var expected-grapheme2/eax: int <- copy expected-grapheme
|
2020-09-07 04:36:05 +00:00
|
|
|
# compare graphemes
|
|
|
|
$check-screen-row:compare-graphemes: {
|
|
|
|
# if expected-grapheme is space, null grapheme is also ok
|
|
|
|
{
|
|
|
|
compare expected-grapheme2, 0x20
|
|
|
|
break-if-!=
|
|
|
|
compare g2, 0
|
|
|
|
break-if-!=
|
|
|
|
break $check-screen-row:compare-graphemes
|
|
|
|
}
|
|
|
|
check-ints-equal g2, expected-grapheme2, msg
|
|
|
|
}
|
2020-09-03 04:26:40 +00:00
|
|
|
idx <- increment
|
|
|
|
loop
|
|
|
|
}
|
2020-08-22 21:37:45 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
# various variants by screen-cell attribute; spaces in the 'expected' data should not match the attribute
|
|
|
|
|
2020-09-03 04:50:12 +00:00
|
|
|
fn check-screen-row-in-color screen-on-stack: (addr screen), fg: color, row-idx: int, expected: (addr array byte), msg: (addr array byte) {
|
2020-08-22 21:37:45 +00:00
|
|
|
}
|
|
|
|
|
2020-09-03 04:50:12 +00:00
|
|
|
fn check-screen-row-in-color-from screen-on-stack: (addr screen), fg: color, row-idx: int, col-idx: int, expected: (addr array byte), msg: (addr array byte) {
|
2020-08-22 21:37:45 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
# background color is visible even for spaces, so 'expected' behaves as an array of booleans.
|
|
|
|
# non-space = given background must match; space = background must not match
|
2020-09-03 04:50:12 +00:00
|
|
|
fn check-screen-row-in-background-color screen-on-stack: (addr screen), fg: color, row-idx: int, expected: (addr array byte), msg: (addr array byte) {
|
2020-08-22 21:37:45 +00:00
|
|
|
}
|
|
|
|
|
2020-09-03 04:50:12 +00:00
|
|
|
fn check-screen-row-in-background-color-from screen-on-stack: (addr screen), fg: color, row-idx: int, col-idx: int, expected: (addr array byte), msg: (addr array byte) {
|
2020-08-22 21:37:45 +00:00
|
|
|
}
|
|
|
|
|
2020-09-03 04:50:12 +00:00
|
|
|
fn check-screen-row-in-bold screen-on-stack: (addr screen), row-idx: int, expected: (addr array byte), msg: (addr array byte) {
|
2020-08-22 21:37:45 +00:00
|
|
|
}
|
|
|
|
|
2020-09-03 04:50:12 +00:00
|
|
|
fn check-screen-row-in-bold-from screen-on-stack: (addr screen), row-idx: int, col-idx: int, expected: (addr array byte), msg: (addr array byte) {
|
2020-08-22 21:37:45 +00:00
|
|
|
}
|
|
|
|
|
2020-09-03 04:50:12 +00:00
|
|
|
fn check-screen-row-in-underline screen-on-stack: (addr screen), row-idx: int, expected: (addr array byte), msg: (addr array byte) {
|
2020-08-22 21:37:45 +00:00
|
|
|
}
|
|
|
|
|
2020-09-03 04:50:12 +00:00
|
|
|
fn check-screen-row-in-underline-from screen-on-stack: (addr screen), row-idx: int, col-idx: int, expected: (addr array byte), msg: (addr array byte) {
|
2020-08-22 21:37:45 +00:00
|
|
|
}
|
|
|
|
|
2020-09-03 04:50:12 +00:00
|
|
|
fn check-screen-row-in-reverse screen-on-stack: (addr screen), row-idx: int, expected: (addr array byte), msg: (addr array byte) {
|
2020-08-22 21:37:45 +00:00
|
|
|
}
|
|
|
|
|
2020-09-03 04:50:12 +00:00
|
|
|
fn check-screen-row-in-reverse-from screen-on-stack: (addr screen), row-idx: int, col-idx: int, expected: (addr array byte), msg: (addr array byte) {
|
2020-08-22 21:37:45 +00:00
|
|
|
}
|
|
|
|
|
2020-09-03 04:50:12 +00:00
|
|
|
fn check-screen-row-in-blinking screen-on-stack: (addr screen), row-idx: int, expected: (addr array byte), msg: (addr array byte) {
|
2020-08-22 21:37:45 +00:00
|
|
|
}
|
|
|
|
|
2020-09-03 04:50:12 +00:00
|
|
|
fn check-screen-row-in-blinking-from screen-on-stack: (addr screen), row-idx: int, col-idx: int, expected: (addr array byte), msg: (addr array byte) {
|
2020-08-22 21:37:45 +00:00
|
|
|
}
|
|
|
|
|
2020-09-03 04:26:40 +00:00
|
|
|
fn test-print-single-grapheme {
|
2020-08-22 21:37:45 +00:00
|
|
|
var screen-on-stack: screen
|
|
|
|
var screen/esi: (addr screen) <- address screen-on-stack
|
|
|
|
initialize-screen screen, 5, 4
|
|
|
|
var c/eax: grapheme <- copy 0x61 # 'a'
|
|
|
|
print-grapheme screen, c
|
2020-09-03 04:26:40 +00:00
|
|
|
check-screen-row screen, 1, "a", "F - test-print-single-grapheme" # top-left corner of the screen
|
2020-08-22 21:37:45 +00:00
|
|
|
}
|
|
|
|
|
2020-09-03 04:48:26 +00:00
|
|
|
fn test-print-multiple-graphemes {
|
|
|
|
var screen-on-stack: screen
|
|
|
|
var screen/esi: (addr screen) <- address screen-on-stack
|
|
|
|
initialize-screen screen, 5, 4
|
|
|
|
print-string screen, "Hello, 世界"
|
2020-09-07 04:36:05 +00:00
|
|
|
check-screen-row screen, 1, "Hello, 世界", "F - test-print-multiple-graphemes"
|
|
|
|
}
|
|
|
|
|
|
|
|
fn test-move-cursor {
|
|
|
|
var screen-on-stack: screen
|
|
|
|
var screen/esi: (addr screen) <- address screen-on-stack
|
|
|
|
initialize-screen screen, 5, 4
|
|
|
|
move-cursor screen, 1, 4
|
|
|
|
var c/eax: grapheme <- copy 0x61 # 'a'
|
|
|
|
print-grapheme screen, c
|
|
|
|
check-screen-row screen, 1, " a", "F - test-move-cursor" # top row
|
|
|
|
}
|
|
|
|
|
|
|
|
fn test-move-cursor-zeroes {
|
|
|
|
var screen-on-stack: screen
|
|
|
|
var screen/esi: (addr screen) <- address screen-on-stack
|
|
|
|
initialize-screen screen, 5, 4
|
|
|
|
move-cursor screen, 0, 0
|
|
|
|
var c/eax: grapheme <- copy 0x61 # 'a'
|
|
|
|
print-grapheme screen, c
|
|
|
|
check-screen-row screen, 1, "a", "F - test-move-cursor-zeroes" # top-left corner of the screen
|
2020-09-03 04:48:26 +00:00
|
|
|
}
|
|
|
|
|
2020-09-07 04:36:05 +00:00
|
|
|
fn test-move-cursor-zero-row {
|
|
|
|
var screen-on-stack: screen
|
|
|
|
var screen/esi: (addr screen) <- address screen-on-stack
|
|
|
|
initialize-screen screen, 5, 4
|
|
|
|
move-cursor screen, 0, 2
|
|
|
|
var c/eax: grapheme <- copy 0x61 # 'a'
|
|
|
|
print-grapheme screen, c
|
|
|
|
check-screen-row screen, 1, " a", "F - test-move-cursor-zero-row" # top row
|
|
|
|
}
|
|
|
|
|
|
|
|
fn test-move-cursor-zero-column {
|
|
|
|
var screen-on-stack: screen
|
|
|
|
var screen/esi: (addr screen) <- address screen-on-stack
|
|
|
|
initialize-screen screen, 5, 4
|
|
|
|
move-cursor screen, 4, 0
|
|
|
|
var c/eax: grapheme <- copy 0x61 # 'a'
|
|
|
|
print-grapheme screen, c
|
|
|
|
check-screen-row screen, 4, "a", "F - test-move-cursor-zero-column"
|
|
|
|
}
|
|
|
|
|
|
|
|
fn test-move-cursor-negative-row {
|
|
|
|
var screen-on-stack: screen
|
|
|
|
var screen/esi: (addr screen) <- address screen-on-stack
|
|
|
|
initialize-screen screen, 5, 3
|
|
|
|
move-cursor screen, -1, 2 # row -1
|
|
|
|
var c/eax: grapheme <- copy 0x61 # 'a'
|
|
|
|
print-grapheme screen, c
|
|
|
|
# no move
|
|
|
|
check-screen-row screen, 1, "a", "F - test-move-cursor-negative-row"
|
|
|
|
}
|
|
|
|
|
|
|
|
fn test-move-cursor-negative-column {
|
|
|
|
var screen-on-stack: screen
|
|
|
|
var screen/esi: (addr screen) <- address screen-on-stack
|
|
|
|
initialize-screen screen, 5, 3
|
|
|
|
move-cursor screen, 2, -1 # column -1
|
|
|
|
var c/eax: grapheme <- copy 0x61 # 'a'
|
|
|
|
print-grapheme screen, c
|
|
|
|
# no move
|
|
|
|
check-screen-row screen, 1, "a", "F - test-move-cursor-negative-column"
|
|
|
|
}
|
|
|
|
|
|
|
|
fn test-move-cursor-column-too-large {
|
|
|
|
var screen-on-stack: screen
|
|
|
|
var screen/esi: (addr screen) <- address screen-on-stack
|
|
|
|
initialize-screen screen, 5, 3 # 5 rows, 3 columns
|
|
|
|
move-cursor screen, 1, 4 # row 1, column 4 (overflow)
|
|
|
|
var c/eax: grapheme <- copy 0x61 # 'a'
|
|
|
|
print-grapheme screen, c
|
|
|
|
# top row is empty
|
|
|
|
check-screen-row screen, 1, " ", "F - test-move-cursor-column-too-large"
|
|
|
|
# character shows up on next row
|
|
|
|
check-screen-row screen, 2, "a", "F - test-move-cursor-column-too-large"
|
|
|
|
}
|
|
|
|
|
|
|
|
fn test-move-cursor-column-too-large-saturates {
|
|
|
|
var screen-on-stack: screen
|
|
|
|
var screen/esi: (addr screen) <- address screen-on-stack
|
|
|
|
initialize-screen screen, 5, 3 # 5 rows, 3 columns
|
|
|
|
move-cursor screen, 1, 6 # row 1, column 6 (overflow)
|
|
|
|
var c/eax: grapheme <- copy 0x61 # 'a'
|
|
|
|
print-grapheme screen, c
|
|
|
|
# top row is empty
|
|
|
|
check-screen-row screen, 1, " ", "F - test-move-cursor-column-too-large-saturates" # top-left corner of the screen
|
|
|
|
# character shows up at the start of next row
|
|
|
|
check-screen-row screen, 2, "a", "F - test-move-cursor-column-too-large-saturates" # top-left corner of the screen
|
|
|
|
}
|
|
|
|
|
|
|
|
fn test-move-cursor-row-too-large {
|
|
|
|
var screen-on-stack: screen
|
|
|
|
var screen/esi: (addr screen) <- address screen-on-stack
|
|
|
|
initialize-screen screen, 5, 3 # 5 rows
|
|
|
|
move-cursor screen, 6, 2 # row 6 (overflow)
|
|
|
|
var c/eax: grapheme <- copy 0x61 # 'a'
|
|
|
|
print-grapheme screen, c
|
|
|
|
# bottom row shows the character
|
|
|
|
check-screen-row screen, 5, " a", "F - test-move-cursor-row-too-large"
|
|
|
|
}
|
|
|
|
|
|
|
|
fn test-move-cursor-row-too-large-saturates {
|
|
|
|
var screen-on-stack: screen
|
|
|
|
var screen/esi: (addr screen) <- address screen-on-stack
|
|
|
|
initialize-screen screen, 5, 3 # 5 rows
|
|
|
|
move-cursor screen, 9, 2 # row 9 (overflow)
|
|
|
|
var c/eax: grapheme <- copy 0x61 # 'a'
|
|
|
|
print-grapheme screen, c
|
|
|
|
# bottom row shows the character
|
|
|
|
check-screen-row screen, 5, " a", "F - test-move-cursor-row-too-large-saturates"
|
|
|
|
}
|
|
|
|
|
2020-09-07 04:39:05 +00:00
|
|
|
fn test-check-screen-row-from {
|
|
|
|
var screen-on-stack: screen
|
|
|
|
var screen/esi: (addr screen) <- address screen-on-stack
|
|
|
|
initialize-screen screen, 5, 4
|
|
|
|
move-cursor screen, 1, 4
|
|
|
|
var c/eax: grapheme <- copy 0x61 # 'a'
|
|
|
|
print-grapheme screen, c
|
|
|
|
check-screen-row screen, 1, " a", "F - test-check-screen-row-from/baseline"
|
|
|
|
check-screen-row-from screen, 1, 4, "a", "F - test-check-screen-row-from"
|
|
|
|
}
|
|
|
|
|
2020-09-07 05:06:12 +00:00
|
|
|
fn test-print-string-overflows-to-next-row {
|
|
|
|
var screen-on-stack: screen
|
|
|
|
var screen/esi: (addr screen) <- address screen-on-stack
|
|
|
|
initialize-screen screen, 5, 4 # 5 rows, 4 columns
|
|
|
|
print-string screen, "abcdefg"
|
|
|
|
check-screen-row screen, 1, "abcd", "F - test-print-string-overflows-to-next-row"
|
|
|
|
check-screen-row screen, 2, "efg", "F - test-print-string-overflows-to-next-row"
|
|
|
|
}
|
|
|
|
|
2020-09-07 04:36:05 +00:00
|
|
|
fn main -> exit-status/ebx: int {
|
|
|
|
run-tests
|
|
|
|
exit-status <- copy 0
|
|
|
|
}
|