the cutting room mirror

Top Gear Overdrive

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Debug Displays#

TGOverdrive-debugdisplay1.png TGOverdrive-debugdisplay2.png TGOverdrive-debugdisplay3.png

A few simple debug displays which show various system related information can be enabled with the below GameShark code.

GameShark Code

Version

80101A6F 00??

USA

801021EF 00??

Europe

80101B2F 00??

Japan

Replace the ?? with a value of 01, 02 or 03.

(Source: Original TCRF research)

Development Text#

Present at 0x600B8 in the ROM is text for some debug displays.

setVP(%d) hires=%d
CPU S: %1.3f
CPU B: %1.3f
RSP  : %1.3f
RDP  : %1.3f
Poly: %d %d
Obj  : %d
Debug: %3.2f
Chan: %ld %d %d
Obj : %d %s
XYZ  : %3.4f, %3.4f, %3.4f
Rot  : %3.4f, %3.4f, %3.4f
Vel  : %3.2f
Head : %3.2f %3.2f %3.2f
State: %d
Stat : %4xh %4xh
Frame: %3.2f
RS HN: %d %d
pal : %d
auxFl: %3.2f
AuxB : %d
AuxL : %d
AuxP : %3.2f %3.2f %3.2f
AuxV : %3.2f %3.2f %3.2f

(Source: Ferrox)