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more work on MEGA65 native screen mode

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FeralChild64 committed 2020-08-26 21:25:23 +02:00
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commit ecafb43807
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src/aliases/,aliases_ram_lowmem_m65.s
+12 -11
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@@ -39,16 +39,17 @@
.label M65_SCRSEG = $580 // $580-$581 segment address (2 higher bytes) of the screen memory
.label M65_SCRBASE = $582 // $582-$583 first byte of screen memory
.label M65_SCRGUARD = $584 // $584-$585 last byte of screen memory + 1
.label M65_COLVIEW = $586 // $586-$587 first byte of color memory viewport
.label M65_COLVIEWMAX = $588 // $588-$589 largest allowed value of M65_SCRVIEW
.label M65_SCRMODE = $58A // 0 = 40x25, 1 = 80x25, 2 = 80x50
.label M64_SCRWINMODE = $58B // $00 = normal mode, $FF = window enabled
.label M65_TXTWIN_X0 = $58C // text window - top-left X coordinate, starting from 0
.label M65_TXTWIN_Y0 = $58D // text window - top-left Y coordinate, starting from 0
.label M65_TXTWIN_X1 = $58E // text window - bottom-right X coordinate + 1
.label M65_TXTWIN_Y1 = $58F // text window - bottom-right Y coordinate + 1
.label M65_TXTROW_OFF = $590 // $590-$591 offset to the current text row
// $592-$5FF -- UNUSED --
.label M65_SCRGUARD = $584 // $584-$585 last byte of screen memory + 1 XXX is it needed?
.label M65_COLGUARD = $586 // $586-$587 last byte of colour memory + 1
.label M65_COLVIEW = $588 // $588-$589 first byte of color memory viewport
.label M65_COLVIEWMAX = $58A // $58A-$58B largest allowed value of M65_COLVIEW
.label M65_SCRMODE = $58C // 0 = 40x25, 1 = 80x25, 2 = 80x50
.label M64_SCRWINMODE = $58D // $00 = normal mode, $FF = window enabled
.label M65_TXTWIN_X0 = $58E // text window - top-left X coordinate, starting from 0
.label M65_TXTWIN_Y0 = $58F // text window - top-left Y coordinate, starting from 0
.label M65_TXTWIN_X1 = $590 // text window - bottom-right X coordinate + 1
.label M65_TXTWIN_Y1 = $591 // text window - bottom-right Y coordinate + 1
.label M65_TXTROW_OFF = $592 // $592-$593 offset to the current text row
// $594-$5FF -- UNUSED --
.label M65_RS232_INBUF = $600 // $600-$6FF -- reserved for RS-232 input buffer --
.label M65_RS232_OUTBUF = $700 // $700-$7FF -- reserved for RS-232 output buffer --