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@ -44,6 +44,9 @@ open: # filename: (addr array byte), write?: boolean, out: (addr handle buffere
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89/<- %ecx 0/r32/eax
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# restore edx
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5a/pop-to-edx
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# if fd < 0 return
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3d/compare-eax-with 0/imm32
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7c/jump-if-< $open:end/disp8
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# allocate a buffered-file
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(allocate Heap 0x1010 *(ebp+0x10)) # file-buffer-size + 16 for other fields
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# var out-addr/edi: (addr buffered-file)
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@ -27,6 +27,7 @@ fn main args-on-stack: (addr array addr array byte) -> exit-status/ebx: int {
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}
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fn interactive args: (addr array addr array byte) -> exit-status/ebx: int {
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$interactive:body: {
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# initialize fs from args[1]
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var filename/eax: (addr array byte) <- first-arg args
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var file-storage: (handle buffered-file)
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@ -34,6 +35,14 @@ fn interactive args: (addr array addr array byte) -> exit-status/ebx: int {
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open filename, 0, file-storage-addr
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var _fs/eax: (addr buffered-file) <- lookup file-storage
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var fs/esi: (addr buffered-file) <- copy _fs
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# if no file, exit
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{
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compare fs, 0
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break-if-!=
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print-string-to-real-screen "file not found\n"
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exit-status <- copy 1
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break $interactive:body
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}
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#
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enable-screen-grid-mode
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enable-keyboard-immediate-mode
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@ -53,6 +62,7 @@ fn interactive args: (addr array addr array byte) -> exit-status/ebx: int {
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enable-screen-type-mode
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exit-status <- copy 0
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}
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}
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fn render screen: (addr paginated-screen), fs: (addr buffered-file) {
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start-drawing screen
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