36 lines
831 B
Plaintext
36 lines
831 B
Plaintext
# 8 bytes burst with 15 transfers. Total 120 bytes per burst.
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# Source fixed address and destination incrementing.
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# Source and destination unprivileged, non-secure data access.
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MOV CCR, SB15 SS64 SAF SP2 DB15 DS64 DAI DP2
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MOV SAR, 0x10311000
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MOV DAR, 0x18200000
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FLUSHP 14
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# Loop until the entire frame has been transferred.
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LP 30 # For height 240.
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# Wait for a burst request.
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WFP 14, burst
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# Transfer 8 scanlines.
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# For width 360:
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#LP 44 # RGB5551 & RGB565, 128 bytes burst
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LP 71 # RGB8, 120 bytes burst
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#LP 89 # RGBA8, 128 bytes burst
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LD
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ST
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LPEND
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LDPB 14 # This must always be conditional on bursts. No idea why. Assembler bug?
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ST
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# Skip gaps swizzle edition™.
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#For width 360 with 512x512 texture:
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#ADDH DAR, 0x980 # RGB5551 & RGB565
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ADDH DAR, 0xE40 # RGB8
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#ADDH DAR, 0x1300 # RGBA8
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LPEND
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WMB
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SEV 0
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END
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