summaryrefslogtreecommitdiff
path: root/board/MAI/bios_emulator/bios.c
diff options
context:
space:
mode:
Diffstat (limited to 'board/MAI/bios_emulator/bios.c')
-rw-r--r--board/MAI/bios_emulator/bios.c76
1 files changed, 38 insertions, 38 deletions
diff --git a/board/MAI/bios_emulator/bios.c b/board/MAI/bios_emulator/bios.c
index 4707bd9a8..d51eb6469 100644
--- a/board/MAI/bios_emulator/bios.c
+++ b/board/MAI/bios_emulator/bios.c
@@ -130,14 +130,14 @@ static void X86API int1A(int intno)
switch(M.x86.R_AX)
{
- case 0xB101: // PCI Bios Present?
+ case 0xB101: /* PCI Bios Present? */
M.x86.R_AL = 0x00;
M.x86.R_EDX = 0x20494350;
M.x86.R_BX = 0x0210;
M.x86.R_CL = 3;
CLEAR_FLAG(F_CF);
break;
- case 0xB102: // Find device
+ case 0xB102: /* Find device */
device = mypci_find_device(M.x86.R_DX, M.x86.R_CX, M.x86.R_SI);
if (device != -1)
{
@@ -151,52 +151,52 @@ static void X86API int1A(int intno)
}
CONDITIONAL_SET_FLAG((M.x86.R_AH != PCIBIOS_SUCCESSFUL), F_CF);
break;
- case 0xB103: // Find PCI class code
+ case 0xB103: /* Find PCI class code */
M.x86.R_AH = PCIBIOS_DEVICE_NOT_FOUND;
- //printf("Find by class not yet implmented");
+ /*printf("Find by class not yet implmented"); */
CONDITIONAL_SET_FLAG((M.x86.R_AH != PCIBIOS_SUCCESSFUL), F_CF);
break;
- case 0xB108: // read config byte
+ case 0xB108: /* read config byte */
M.x86.R_CL = mypci_read_cfg_byte(M.x86.R_BH, M.x86.R_BL, M.x86.R_DI);
M.x86.R_AH = PCIBIOS_SUCCESSFUL;
CONDITIONAL_SET_FLAG((M.x86.R_AH != PCIBIOS_SUCCESSFUL), F_CF);
- //printf("read_config_byte %x,%x,%x -> %x\n", M.x86.R_BH, M.x86.R_BL, M.x86.R_DI,
- // M.x86.R_CL);
+ /*printf("read_config_byte %x,%x,%x -> %x\n", M.x86.R_BH, M.x86.R_BL, M.x86.R_DI, */
+ /* M.x86.R_CL); */
break;
- case 0xB109: // read config word
+ case 0xB109: /* read config word */
M.x86.R_CX = mypci_read_cfg_word(M.x86.R_BH, M.x86.R_BL, M.x86.R_DI);
M.x86.R_AH = PCIBIOS_SUCCESSFUL;
CONDITIONAL_SET_FLAG((M.x86.R_AH != PCIBIOS_SUCCESSFUL), F_CF);
- //printf("read_config_word %x,%x,%x -> %x\n", M.x86.R_BH, M.x86.R_BL, M.x86.R_DI,
- // M.x86.R_CX);
+ /*printf("read_config_word %x,%x,%x -> %x\n", M.x86.R_BH, M.x86.R_BL, M.x86.R_DI, */
+ /* M.x86.R_CX); */
break;
- case 0xB10A: // read config dword
+ case 0xB10A: /* read config dword */
M.x86.R_ECX = mypci_read_cfg_long(M.x86.R_BH, M.x86.R_BL, M.x86.R_DI);
M.x86.R_AH = PCIBIOS_SUCCESSFUL;
CONDITIONAL_SET_FLAG((M.x86.R_AH != PCIBIOS_SUCCESSFUL), F_CF);
- //printf("read_config_long %x,%x,%x -> %x\n", M.x86.R_BH, M.x86.R_BL, M.x86.R_DI,
- // M.x86.R_ECX);
+ /*printf("read_config_long %x,%x,%x -> %x\n", M.x86.R_BH, M.x86.R_BL, M.x86.R_DI, */
+ /* M.x86.R_ECX); */
break;
- case 0xB10B: // write config byte
+ case 0xB10B: /* write config byte */
mypci_write_cfg_byte(M.x86.R_BH, M.x86.R_BL, M.x86.R_DI, M.x86.R_CL);
M.x86.R_AH = PCIBIOS_SUCCESSFUL;
CONDITIONAL_SET_FLAG((M.x86.R_AH != PCIBIOS_SUCCESSFUL), F_CF);
- //printf("write_config_byte %x,%x,%x <- %x\n", M.x86.R_BH, M.x86.R_BL, M.x86.R_DI,
- // M.x86.R_CL);
+ /*printf("write_config_byte %x,%x,%x <- %x\n", M.x86.R_BH, M.x86.R_BL, M.x86.R_DI, */
+ /* M.x86.R_CL); */
break;
- case 0xB10C: // write config word
+ case 0xB10C: /* write config word */
mypci_write_cfg_word(M.x86.R_BH, M.x86.R_BL, M.x86.R_DI, M.x86.R_CX);
M.x86.R_AH = PCIBIOS_SUCCESSFUL;
CONDITIONAL_SET_FLAG((M.x86.R_AH != PCIBIOS_SUCCESSFUL), F_CF);
- //printf("write_config_word %x,%x,%x <- %x\n", M.x86.R_BH, M.x86.R_BL, M.x86.R_DI,
- // M.x86.R_CX);
+ /*printf("write_config_word %x,%x,%x <- %x\n", M.x86.R_BH, M.x86.R_BL, M.x86.R_DI, */
+ /* M.x86.R_CX); */
break;
- case 0xB10D: // write config dword
+ case 0xB10D: /* write config dword */
mypci_write_cfg_long(M.x86.R_BH, M.x86.R_BL, M.x86.R_DI, M.x86.R_ECX);
M.x86.R_AH = PCIBIOS_SUCCESSFUL;
CONDITIONAL_SET_FLAG((M.x86.R_AH != PCIBIOS_SUCCESSFUL), F_CF);
- //printf("write_config_long %x,%x,%x <- %x\n", M.x86.R_BH, M.x86.R_BL, M.x86.R_DI,
- // M.x86.R_ECX);
+ /*printf("write_config_long %x,%x,%x <- %x\n", M.x86.R_BH, M.x86.R_BL, M.x86.R_DI, */
+ /* M.x86.R_ECX); */
break;
default:
PRINTF("BIOS int %xh: Unknown function AX=%04xh\n", intno, M.x86.R_AX);
@@ -208,7 +208,7 @@ void bios_init(void)
{
int i;
X86EMU_intrFuncs bios_intr_tab[256];
-
+
for (i=0; i<256; i++)
{
write_long_little(M.mem_base+i*4, BIOS_SEG<<16);
@@ -221,7 +221,7 @@ void bios_init(void)
bios_intr_tab[0x15] = int15;
bios_intr_tab[0x6D] = int42;
-
+
X86EMU_setupIntrFuncs(bios_intr_tab);
video_init();
}
@@ -252,14 +252,14 @@ unsigned char setup_bw[] =
unsigned char * setup_modes[] =
{
- setup_40x25, // mode 0: 40x25 bw text
- setup_40x25, // mode 1: 40x25 col text
- setup_80x25, // mode 2: 80x25 bw text
- setup_80x25, // mode 3: 80x25 col text
- setup_graphics, // mode 4: 320x200 col graphics
- setup_graphics, // mode 5: 320x200 bw graphics
- setup_graphics, // mode 6: 640x200 bw graphics
- setup_bw // mode 7: 80x25 mono text
+ setup_40x25, /* mode 0: 40x25 bw text */
+ setup_40x25, /* mode 1: 40x25 col text */
+ setup_80x25, /* mode 2: 80x25 bw text */
+ setup_80x25, /* mode 3: 80x25 col text */
+ setup_graphics, /* mode 4: 320x200 col graphics */
+ setup_graphics, /* mode 5: 320x200 bw graphics */
+ setup_graphics, /* mode 6: 640x200 bw graphics */
+ setup_bw /* mode 7: 80x25 mono text */
};
unsigned int setup_cols[] =
@@ -280,13 +280,13 @@ unsigned int setup_bufsize[] =
void bios_set_mode(int mode)
{
int i;
- unsigned char mode_set = setup_modesets[mode]; // Control register value
- unsigned char *setup_regs = setup_modes[mode]; // Register 3D4 Array
+ unsigned char mode_set = setup_modesets[mode]; /* Control register value */
+ unsigned char *setup_regs = setup_modes[mode]; /* Register 3D4 Array */
- // Switch video off
+ /* Switch video off */
out_byte(0x3D8, mode_set & 0x37);
- // Set up parameters at 3D4h
+ /* Set up parameters at 3D4h */
for (i=0; i<16; i++)
{
out_byte(0x3D4, (unsigned char)i);
@@ -294,10 +294,10 @@ void bios_set_mode(int mode)
setup_regs++;
}
- // Enable video
+ /* Enable video */
out_byte(0x3D8, mode_set);
- // Set overscan
+ /* Set overscan */
if (mode == 6) out_byte(0x3D9, 0x3F);
else out_byte(0x3D9, 0x30);
}
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-10-31 17:33:47 +0000