claunia/86Box
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

add support for 2nd sbcs in videomode 03

Browse Source
This commit is contained in:
Akamaki
2025-03-05 00:38:39 +09:00
parent e798030022
commit 5a77092a71
1 changed files with 19 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
src/video/vid_ps55da2.c
View File

@@ -1111,7 +1111,7 @@ da2_bitblt_dopayload(void *priv)
timer_set_delay_u64(&da2->bitblt.timer, da2->bitblt.timerspeed);
/* do async operation but it causes the scrolling text glitch in OS/2 J1.3 Command Prompt (TODO) */
if (da2->bitblt.exec != DA2_BLT_CIDLE) {
while (da2->bitblt.exec != DA2_BLT_CIDLE)
while (da2->bitblt.exec != DA2_BLT_CIDLE) /* this disables async operation */
da2_bitblt_exec(da2);
} else if (da2->bitblt.indata && !(da2->ioctl[LS_MMIO] & 0x10) && (da2->bitblt.exec == DA2_BLT_CIDLE)) {
da2->bitblt.exec = DA2_BLT_CLOAD;
@@ -2015,9 +2015,14 @@ da2_render_textm3(da2_t *da2)
}
} else {
/* the char code is SBCS (ANK) */
uint16_t font = da2->mmio.ram[DA2_GAIJIRAM_SBCS + chr * 0x40 + da2->sc * 2]; /* w13xh29 font */
uint32_t fontbase;
if (extattr & 0x80) /* second map of SBCS font */
fontbase = DA2_GAIJIRAM_SBEX;
else
fontbase = DA2_GAIJIRAM_SBCS;
uint16_t font = da2->mmio.ram[fontbase+ chr * 0x40 + da2->sc * 2]; /* w13xh29 font */
font <<= 8;
font |= da2->mmio.ram[DA2_GAIJIRAM_SBCS+ chr * 0x40 + da2->sc * 2 + 1]; /* w13xh29 font */
font |= da2->mmio.ram[fontbase + chr * 0x40 + da2->sc * 2 + 1]; /* w13xh29 font */
// if(chr!=0x20) da2_log("ma: %x, sc: %x, chr: %x, font: %x ", da2->ma, da2->sc, chr, font);
for (uint32_t n = 0; n < 13; n++) {
p[n] = da2->pallook[da2->egapal[(font & 0x8000) ? fg : bg]];
@@ -2176,6 +2181,17 @@ da2_updatevidselector(da2_t *da2)
timer_set_delay_u64(&da2->timer_vidupd, 100000ull * TIMER_USEC);
}
/*
Video modes supported by DOS J4.0 for the DA-2 (The DA-2 doesn't have a video BIOS on its card.)
Mode (hex) Type Colors Format Base Address PELs
3 A/N/K 16 80 x 25 B8000h 1040 x 725
8 A/N/K 1 80 x 25 E0000h 1040 x 725
A APA 1 78 x 25 A0000h 1024 x 768
D APA 16 78 x 25 A0000h 1024 x 768
E A/N/K 16 80 x 25 E0000h 1040 x 725
F APA 256 A0000h 1024 x 768
45 (undoc) APA 16 A0000h 1040 x 768
*/
void
da2_recalctimings(da2_t *da2)
{