===== 07 GDR 480I DRAW FIELD | BIOS 19951204 System ROM Version 3.0 11/18/96 A
BadVaddr as the group starts: 00000480
Draws a 16x16 block at VRAM 16,64 at points A-D of 4 frames: A at IRQ0, B 12 hblank
ticks later, C 120 ticks (GP0(60h) rectangles), D 130 ticks (GP0(02h) fill). Each draw
has its own colour; rows is the mask of the 16 rows it reached, bit 0 = VRAM row 64.
640x480i, display Y 0, E1h bit 10 clear, GPUSTAT 564e0000
 frame 0 A rect line 0 bit13 1 bit31 0 rows aaaa
 frame 0 B rect line 12 bit13 0 bit31 0 rows aaaa
 frame 0 C rect line 120 bit13 0 bit31 1 rows 5555
 frame 0 D fill line 132 bit13 0 bit31 1 rows 5555
 frame 1 A rect line 0 bit13 0 bit31 0 rows aaaa
 frame 1 B rect line 12 bit13 1 bit31 0 rows aaaa
 frame 1 C rect line 120 bit13 1 bit31 0 rows aaaa
 frame 1 D fill line 132 bit13 1 bit31 0 rows aaaa
 frame 2 A rect line 0 bit13 1 bit31 0 rows aaaa
 frame 2 B rect line 12 bit13 0 bit31 0 rows aaaa
 frame 2 C rect line 120 bit13 0 bit31 1 rows 5555
 frame 2 D fill line 132 bit13 0 bit31 1 rows 5555
 frame 3 A rect line 0 bit13 0 bit31 0 rows aaaa
 frame 3 B rect line 12 bit13 1 bit31 0 rows aaaa
 frame 3 C rect line 120 bit13 1 bit31 0 rows aaaa
 frame 3 D fill line 132 bit13 1 bit31 0 rows aaaa
640x480i, display Y 1, E1h bit 10 clear, GPUSTAT d64e0000
 frame 0 A rect line 0 bit13 1 bit31 1 rows 5555
 frame 0 B rect line 12 bit13 0 bit31 1 rows 5555
 frame 0 C rect line 120 bit13 0 bit31 0 rows aaaa
 frame 0 D fill line 132 bit13 0 bit31 0 rows aaaa
 frame 1 A rect line 0 bit13 0 bit31 1 rows 5555
 frame 1 B rect line 12 bit13 1 bit31 1 rows 5555
 frame 1 C rect line 120 bit13 1 bit31 1 rows 5555
 frame 1 D fill line 132 bit13 1 bit31 1 rows 5555
 frame 2 A rect line 0 bit13 1 bit31 1 rows 5555
 frame 2 B rect line 12 bit13 0 bit31 1 rows 5555
 frame 2 C rect line 120 bit13 0 bit31 0 rows aaaa
 frame 2 D fill line 132 bit13 0 bit31 0 rows aaaa
 frame 3 A rect line 0 bit13 0 bit31 1 rows 5555
 frame 3 B rect line 12 bit13 1 bit31 1 rows 5555
 frame 3 C rect line 120 bit13 1 bit31 1 rows 5555
 frame 3 D fill line 132 bit13 1 bit31 1 rows 5555
640x480i, display Y 0, E1h bit 10 set, GPUSTAT 564e0400
 frame 0 A rect line 0 bit13 1 bit31 0 rows ffff
 frame 0 B rect line 12 bit13 0 bit31 0 rows ffff
 frame 0 C rect line 120 bit13 0 bit31 1 rows ffff
 frame 0 D fill line 132 bit13 0 bit31 1 rows ffff
 frame 1 A rect line 0 bit13 0 bit31 0 rows ffff
 frame 1 B rect line 12 bit13 1 bit31 0 rows ffff
 frame 1 C rect line 120 bit13 1 bit31 0 rows ffff
 frame 1 D fill line 132 bit13 1 bit31 0 rows ffff
 frame 2 A rect line 0 bit13 1 bit31 0 rows ffff
 frame 2 B rect line 12 bit13 0 bit31 0 rows ffff
 frame 2 C rect line 120 bit13 0 bit31 1 rows ffff
 frame 2 D fill line 132 bit13 0 bit31 1 rows ffff
 frame 3 A rect line 0 bit13 0 bit31 0 rows ffff
 frame 3 B rect line 12 bit13 1 bit31 0 rows ffff
 frame 3 C rect line 120 bit13 1 bit31 0 rows ffff
 frame 3 D fill line 132 bit13 1 bit31 0 rows ffff
320x480i, display Y 0, E1h bit 10 clear, GPUSTAT 564a0000
 frame 0 A rect line 0 bit13 1 bit31 0 rows aaaa
 frame 0 B rect line 12 bit13 0 bit31 0 rows aaaa
 frame 0 C rect line 120 bit13 0 bit31 1 rows 5555
 frame 0 D fill line 132 bit13 0 bit31 1 rows 5555
 frame 1 A rect line 0 bit13 0 bit31 0 rows aaaa
 frame 1 B rect line 12 bit13 1 bit31 0 rows aaaa
 frame 1 C rect line 120 bit13 1 bit31 0 rows aaaa
 frame 1 D fill line 132 bit13 1 bit31 0 rows aaaa
 frame 2 A rect line 0 bit13 1 bit31 0 rows aaaa
 frame 2 B rect line 12 bit13 0 bit31 0 rows aaaa
 frame 2 C rect line 120 bit13 0 bit31 1 rows 5555
 frame 2 D fill line 132 bit13 0 bit31 1 rows 5555
 frame 3 A rect line 0 bit13 0 bit31 0 rows aaaa
 frame 3 B rect line 12 bit13 1 bit31 0 rows aaaa
 frame 3 C rect line 120 bit13 1 bit31 0 rows aaaa
 frame 3 D fill line 132 bit13 1 bit31 0 rows aaaa
640x240, display Y 0, E1h bit 10 clear, GPUSTAT 56062000
 frame 0 A rect line 0 bit13 1 bit31 0 rows ffff
 frame 0 B rect line 12 bit13 1 bit31 0 rows ffff
 frame 0 C rect line 120 bit13 1 bit31 0 rows ffff
 frame 0 D fill line 132 bit13 1 bit31 1 rows ffff
 frame 1 A rect line 0 bit13 1 bit31 0 rows ffff
 frame 1 B rect line 12 bit13 1 bit31 0 rows ffff
 frame 1 C rect line 120 bit13 1 bit31 0 rows ffff
 frame 1 D fill line 132 bit13 1 bit31 1 rows ffff
 frame 2 A rect line 0 bit13 1 bit31 0 rows ffff
 frame 2 B rect line 12 bit13 1 bit31 0 rows ffff
 frame 2 C rect line 120 bit13 1 bit31 0 rows ffff
 frame 2 D fill line 132 bit13 1 bit31 1 rows ffff
 frame 3 A rect line 0 bit13 1 bit31 0 rows ffff
 frame 3 B rect line 12 bit13 1 bit31 0 rows ffff
 frame 3 C rect line 120 bit13 1 bit31 0 rows ffff
 frame 3 D fill line 132 bit13 1 bit31 1 rows ffff
640, vertical resolution bit set, interlace off, E1h bit 10 clear, GPUSTAT 560e2000
 frame 0 A rect line 0 bit13 1 bit31 0 rows ffff
 frame 0 B rect line 0 bit13 1 bit31 0 rows ffff
 frame 0 C rect line 0 bit13 1 bit31 0 rows ffff
 frame 0 D fill line 0 bit13 1 bit31 0 rows ffff
 frame 1 A rect line 0 bit13 1 bit31 0 rows ffff
 frame 1 B rect line 0 bit13 1 bit31 0 rows ffff
 frame 1 C rect line 0 bit13 1 bit31 0 rows ffff
 frame 1 D fill line 0 bit13 1 bit31 0 rows ffff
 frame 2 A rect line 0 bit13 1 bit31 0 rows ffff
 frame 2 B rect line 0 bit13 1 bit31 0 rows ffff
 frame 2 C rect line 0 bit13 1 bit31 0 rows ffff
 frame 2 D fill line 0 bit13 1 bit31 0 rows ffff
 frame 3 A rect line 0 bit13 1 bit31 0 rows ffff
 frame 3 B rect line 0 bit13 1 bit31 0 rows ffff
 frame 3 C rect line 0 bit13 1 bit31 0 rows ffff
 frame 3 D fill line 0 bit13 1 bit31 0 rows ffff
Done.