Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-04-21 07:52:35 +03:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

stvvdp1.cpp: reinstate notes (nw)

Browse Source
This commit is contained in:
Angelo Salese 2019-05-27 22:44:55 +02:00 committed by GitHub
parent 8391a4b345
commit 630aecc341
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/devices/video/stvvdp1.cpp
View File

@ -6,6 +6,11 @@ STV - VDP1
the vdp1 draws to the FRAMEBUFFER which is mapped in memory
-------------------------- WARNING WARNING WARNING --------------------------
This is a legacy core, all game based notes are for a future device rewrite.
Please don't remove them if for no reason you truly want to mess with this.
-------------------------- WARNING WARNING WARNING --------------------------
Framebuffer todo:
- finish manual erase
- add proper framebuffer erase
@ -957,6 +962,9 @@ void saturn_state::drawpixel_generic(int x, int y, int patterndata, int offsetcn
pix = raw+(stv2_current_sprite.CMDCOLR&0xffc0);
transpen = 0;
endcode = 0xff;
// Notes of interest:
// Scud: the disposable assassin wants transparent pen on 0
// sasissu: racing stage background clouds
break;
case 0x0018: // mode 3 128 colour bank mode (8bits) (little characters on hanagumi use this mode)
raw = m_vdp1.gfx_decode[(patterndata+offsetcnt) & 0xfffff] & 0xff;