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super_mario_64:fast3d_display_list_commands [2016/07/17 03:58] david Added cmd 0xF6 (G_FILLRECT) and cmd 0xF7 (G_SETFILLCOLOR) |
super_mario_64:fast3d_display_list_commands [2018/01/10 05:01] (current) cpuhacka101 [03: F3D_MOVEMEM] |
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| ===== Fast3D Commands ===== | ===== Fast3D Commands ===== | ||
| + | |||
| + | ==== 00: G_NOOP ==== | ||
| + | No operation. This should only be used for debugging purposes. | ||
| + | |||
| + | ''00 00 00 00 00 00 00 00'' | ||
| ==== 01: G_MTX ==== | ==== 01: G_MTX ==== | ||
| Line 22: | Line 27: | ||
| ==== 03: F3D_MOVEMEM ==== | ==== 03: F3D_MOVEMEM ==== | ||
| - | Used in Super Mario 64 to load vector normals (shading) RGB values. | + | Used in Super Mario 64 to load vector lighting ambient/diffuse RGBA values. |
| - | ''03 [<color darkgrey>TT</color>] 00 00 [<color purple>AA AA AA AA</color>]'' | + | ''03 [<color darkgrey>TT</color>] 00 10 [<color purple>AA AA AA AA</color>]'' |
| - | | <color darkgrey>T</color> | If 86, loads light values. If 88, loads dark values | | + | | <color darkgrey>T</color> | If 0x86, loads diffuse(light) values. If 0x88, loads ambient(dark) values | |
| - | | <color purple>A</color> | Segmented address of vectors | | + | | <color purple>A</color> | Segmented address of RGBA | |
| - | Example: Loads light RGB from 0x0 in RAM bank 0x0E; loads dark RGB from 0x08 in RAM Bank 0x0E | + | Example: Loads diffuse RGBA from 0x0 in RAM bank 0x0E; loads ambient RGBA from 0x08 in RAM Bank 0x0E |
| - | 03 86 00 00 0E 00 00 00 | + | 03 86 00 10 0E 00 00 00 |
| - | 03 88 00 00 0E 00 00 08 | + | 03 88 00 10 0E 00 00 08 |
| ---- | ---- | ||
| Line 53: | Line 58: | ||
| Signifies the start of a Display List. May be used to link data and branch the current DL. | Signifies the start of a Display List. May be used to link data and branch the current DL. | ||
| - | ''06 00 00 00 [<color purple>AA AA AA AA</color>]'' | + | ''06 [<color blue>AA</color>] 00 00 [<color purple>BB BB BB BB</color>]'' |
| - | | <color purple>A</color> | Segmented Address to branch to | | + | | <color blue>AA</color> | 00 = store return address, 01 = don't store (end DL after branch) | |
| + | | <color purple>B</color> | Segmented Address to branch to | | ||
| Example: Loads a display list from 0xA50 in bank 0x07. | Example: Loads a display list from 0xA50 in bank 0x07. | ||
| Line 144: | Line 150: | ||
| Renders one triangle according to the vertices inside the vertex buffer | Renders one triangle according to the vertices inside the vertex buffer | ||
| - | ''BF 00 00 00 [<color darkred>AA</color>] [<color darkgreen>BB</color>] [<color darkblue>CC</color>]'' | + | ''BF 00 00 00 00 [<color darkred>AA</color>] [<color darkgreen>BB</color>] [<color darkblue>CC</color>]'' |
| | <color darkred>A</color> | First vertex to use for the triangle (* 0x0A) | | | <color darkred>A</color> | First vertex to use for the triangle (* 0x0A) | | ||
| Line 152: | Line 158: | ||
| Example: Render a triangle using the vertex data specified at the vertex buffer positions 0, 1 (0x0A / 0x0A) and 2 (0x14 / 0x0A). | Example: Render a triangle using the vertex data specified at the vertex buffer positions 0, 1 (0x0A / 0x0A) and 2 (0x14 / 0x0A). | ||
| - | BF 00 00 00 00 0A 14 | + | BF 00 00 00 00 00 0A 14 |
| + | |||
| + | ---- | ||
| + | |||
| + | ==== E4: G_TEXRECT ==== | ||
| + | Draws a textured 2D rectangle on the screen | ||
| + | |||
| + | ''E4 [<color darkred>xx x</color>][<color darkgreen>y yy</color>] 0[<color darkblue>I</color>] [<color red>XX X</color>][<color green>Y YY</color>]''\\ | ||
| + | ''B3 00 00 00 [<color #BF9F00>SS SS</color>] [<color #8F3F10>TT TT</color>]''\\ | ||
| + | ''B2 00 00 00 [<color #3F3FFF>DD DD</color>] [<color darkcyan>EE EE</color>]'' | ||
| + | |||
| + | | <color darkred>xxx</color> | Lower-right corner X coordinate | | ||
| + | | <color darkgreen>yyy</color> | Lower-right corner Y coordinate | | ||
| + | | <color darkblue>I</color> | Tile descriptor to use for rectangle | | ||
| + | | <color red>XXX</color> | Upper-left corner X coordinate | | ||
| + | | <color green>YYY</color> | Upper-left corner Y coordinate | | ||
| + | | <color #BF9F00>SSSS</color> | Texture S coordinate at upper-left corner | | ||
| + | | <color #8F3F10>TTTT</color> | Texture T coordinate at upper-left corner | | ||
| + | | <color #3F3FFF>DDDD</color> | Change in S coordinate over change in X coordinate | | ||
| + | | <color darkcyan>EEEE</color> | Change in T coordinate over change in Y coordinate | | ||
| ---- | ---- | ||
