Program in general

▲ DMA: Q ) The transfer from A-BUS to C-BUS using CPU-DMA does not work.; Q ) I can't transfer between the same buses using SCU-DMA.; Q ) The transfer from HighRAM to B-Bus does not work with SCU-DMA.; Q ) Regarding the specifications of the SCU-DMA indirect mode table.; Q ) What are the restrictions during Level 1 startup in DMA?; Q ) About the simultaneous use channel of SCU-DMA.; Q ) Which is the high-speed transfer method from LowRAM to VDP1?

▲ Work RAM High & Low: Q ) What is the difference between High-RAM and Low-RAM?

▲ CD access: Q ) How to do overlay programming?; Q ) How to check the CD tray open?; Q ) How to retrieve the stream resident in the CD buffer for each sector?; Q ) Is the return value of GFS_FRead not returned normally?; Q ) How to find the frame address (FAD) using the CDC function group.; Q ) Please tell me how to play CDDA.; Q ) What should I do if a read error occurs on the CD-ROM?; Q ) Please tell me how to use the CD buffer effectively.; Q ) I want to stop playback in the middle of CDDA playback, take another data from the CD, and continue playing CDDA.

▲ VDP (1 & 2): Q ) I want to put a sprite between BGs.; Q ) The aspect looks the same for 320x224 and 320x240.; Q ) About the aspect ratio of the screen mode.; Q ) Is it possible to issue RGB code and palette code at the same time?; Q ) What is the difference between the color look-up table (CLUT) mode and the 16-color palette mode?; Q ) Please tell me how to use the color lookup mode.; Q ) Can VDP1 be Lowreso and VDP2 be Hireso?; Q ) Is it possible to have a horizontal resolution of 256?; Q ) What should I do to display 32000 colors in 640x480 TV mode?; Q ) When using ColorRAM in 2048 color mode, the color code of the 2047th color cannot be used.; Q ) When I use a mesh, the screen bleeds.; Q ) When I change the horizontal resolution, noise runs on the screen.; Q ) When I change the horizontal resolution from 320 to 352, the display shifts to the left ...; Q ) What does it mean to be able to use NBG1 as an extended screen?; Q ) How to display RBG in high resolution?; Q ) Can you do Gulon with high resolution?; Q ) When using RBG0 and RBG1, is it possible to rotate only two axes?

▲ Backup: Q ) How do you deal with corrupted backup files that are not unformatted?; Q ) The size returned by the backup management screen and the application is different.; Q ) I don't understand how to calculate the "block" of the capacity unit.; Q ) How should I check the remaining backup capacity?; Q ) What is set for the'language type'when saving?; Q ) How to check the connection of the backup cartridge?; Q ) What should I do to check for bugs when the backup RAM is in an uninitialized state?

▲ SOUND: Q ) What are the STEREO / MONO settings for the CD-DA?; Q ) When I set SND_Init to slInitSound, it doesn't work.; Q ) How to set the volume / Pan in SBL without using the sound I / F library?; Q ) I want to PAN the sequence, but the sound is in the middle.; Q ) How do you calculate the PCM playback pitch?; Q ) I want to bring the data to the 68000 side when playing a PCM stream.; Q ) How to apply an effect to PCM stream playback; Q ) The slot is fixed when playing a PCM stream.; Q ) The volume is reduced by direct MIDI.; Q ) About the floating point specifications of the delay buffer.

▲ Other: Q ) When SH2 crashes.; Q ) Don't you think the SH2 registers are not enough?; Q ) What are the parameter rules (at the assembler level) in GCC?; Q ) Are there any precautions to take when using the SH2 divider?; Q ) Please tell me the time required for data transfer of CPU, DMA (CPU / SCU), etc.; Q ) What are the precautions when developing SATURN software?; Q ) What trap vectors can be used?; Q ) Even if I make an IP, it does not boot.; Q ) Precautions when making a PAL version.; Q ) What ANSI C library can be used for SEGA SATURN development?; Q ) About the default values of VDP, SCU, and SCSP at the time of clock change.; Q ) About the recording range of the program area of the CD.; Q ) About data cartridges.; Q ) I want to create a self-booting CD.; Q ) How to store data as big endian at byte boundary?; Q ) Where should the load address of the 1st Read File be set?; Q ) When I open the tray the moment I black out from the SEGA logo, it goes out of control.; Q ) Please tell me about the hierarchical structure of the 3D model.

★ FAQ