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mcd, preparations for msu support

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This commit is contained in:
kub 2023-05-26 19:09:37 +00:00
parent 178a9b683c
commit 02ff025479
15 changed files with 153 additions and 170 deletions
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7
pico/cd/cdc.c
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@ -704,7 +704,6 @@ void cdc_reg_w(unsigned char data)
case 0x0f: /* RESET */
cdc_reset();
Pico_mcd->s68k_regs[0x04+1] = 0x10;
break;
default: /* by default, SBOUT is not used */
@ -715,7 +714,7 @@ void cdc_reg_w(unsigned char data)
unsigned char cdc_reg_r(void)
{
switch (Pico_mcd->s68k_regs[0x04+1] & 0x01F)
switch (Pico_mcd->s68k_regs[0x04+1] & 0x1F)
{
case 0x00:
return 0xff;
@ -835,7 +834,9 @@ unsigned short cdc_host_r(void)
/* clear DSR bit & set EDT bit (SCD register $04) */
Pico_mcd->s68k_regs[0x04+0] = (Pico_mcd->s68k_regs[0x04+0] & 0x07) | 0x80;
} else if ((int16)cdc.dbc <= 2) {
} else if ((int16)cdc.dbc <= 2)
{
if (cdc.ifstat & BIT_DTEI) {
/* pending Data Transfer End interrupt */
cdc.ifstat &= ~BIT_DTEI;