2022-10-10 17:10:52 +00:00
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.program vga_free_run
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2022-10-10 19:48:16 +00:00
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entrypoint_vga_free_run:
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2022-10-15 13:08:22 +00:00
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pull
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mov y, osr
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loope:
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mov x, y
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2022-10-17 14:52:15 +00:00
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wait irq 7
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2022-10-10 17:10:52 +00:00
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loop:
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2022-10-17 14:52:15 +00:00
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out pins, 1 [3]
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2022-10-15 13:08:22 +00:00
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jmp x-- loop
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jmp loope
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2022-10-10 17:10:52 +00:00
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2022-10-12 18:30:29 +00:00
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.program vga_hsync
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2022-10-10 19:48:16 +00:00
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2022-10-12 18:30:29 +00:00
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entrypoint_vga_hsync:
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2022-10-11 18:39:22 +00:00
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pull
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2022-10-12 18:29:11 +00:00
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mov isr, osr
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pull
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loop:
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2022-10-16 18:00:26 +00:00
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irq set 0 [1]
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2022-10-12 20:09:16 +00:00
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2022-10-12 18:29:11 +00:00
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mov x, isr
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2022-10-11 18:39:22 +00:00
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set pins, 0
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hsync_pulse:
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jmp x-- hsync_pulse
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2022-10-17 14:52:15 +00:00
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irq set 7
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2022-10-11 18:39:22 +00:00
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mov x, osr
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set pins, 1
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hsync_idle:
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jmp x-- hsync_idle
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2022-10-17 14:52:15 +00:00
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jmp loop
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2022-10-12 18:54:29 +00:00
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2022-10-12 18:44:26 +00:00
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.program vga_vsync
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entrypoint_vga_vsync:
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pull
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mov isr, osr
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pull
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loop:
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2022-10-12 20:09:16 +00:00
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2022-10-12 18:44:26 +00:00
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mov x, isr
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vsync_pulse:
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2022-10-12 20:09:16 +00:00
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wait irq 0
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set pins, 0
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2022-10-12 18:44:26 +00:00
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jmp x-- vsync_pulse
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2022-10-12 20:09:16 +00:00
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mov x, osr
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vsync_idle:
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wait irq 0
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2022-10-12 18:44:26 +00:00
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set pins, 1
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2022-10-12 20:09:16 +00:00
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jmp x-- vsync_idle
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2022-10-16 18:00:26 +00:00
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irq set 1
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2022-10-12 18:44:26 +00:00
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jmp loop
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