109 lines
2.4 KiB
NASM
109 lines
2.4 KiB
NASM
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; KRuler - a screen ruler
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; rgimad 2021
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; author of idea - ConLenov
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; header:
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use32
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org 0
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db 'MENUET01' ; magic
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dd 1 ; header version
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dd START ; entry point
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dd I_END ; program size
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dd MEM ; memory size
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dd STACKTOP ; stack top addr
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dd 0 ; buf for args
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dd 0 ; reversed
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WND_START_X = 10
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WND_START_Y = 40
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WND_WIDTH = 360
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WND_HEIGHT = 68
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include "../../macros.inc"
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START:
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; event loop:
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event_loop:
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mcall 10 ; wait for event
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cmp eax, 1 ; redraw event
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je on_redraw
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cmp eax,3 ; btn
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je on_button
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jmp event_loop
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on_button:
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mcall 17 ; 17 - get key code
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cmp ah, 1 ; if key with code 1 is not pressed then continue
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jne event_loop
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mcall -1 ; else exit
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; define and draw window
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on_redraw:
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mcall 12, 1 ; begin redraw
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; mcall 48, 3, sc,sizeof.system_colors
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mov edx, 0xFEF977 ; background color
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or edx, 0x34000000 ; window type
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mcall 0, <WND_START_X, WND_WIDTH>, <WND_START_Y, WND_HEIGHT>, , , wnd_title
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mov esi, 5
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.while1:
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cmp esi, 355
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jae .while1_end
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mov eax, 38
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mov ebx, esi
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shl ebx, 16
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add ebx, esi
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xor ecx, ecx
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shl ecx, 16
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add ecx, 30 ; stripe height
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xor edx, edx
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int 0x40
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add esi, 10
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jmp .while1
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.while1_end:
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mov esi, 10
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.while2:
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cmp esi, 350
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jae .while2_end
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mov eax, 38
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mov ebx, esi
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shl ebx, 16
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add ebx, esi
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xor ecx, ecx
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shl ecx, 16
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add ecx, 20 ; stripe height
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xor edx, edx
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int 0x40
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add esi, 10
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jmp .while2
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.while2_end:
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mcall 12, 2 ; end draw
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jmp event_loop
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; data:
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sc system_colors
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wnd_title db 'KRuler v0.0.1',0
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; labels:
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I_END:
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rb 4096 ; for stack
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align 16
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STACKTOP: ; stack top label, stack grows downwards
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MEM: ; end
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