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Tweaked ET4000/W32p blitter, no longer hangs in Windows NT.

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This commit is contained in:
TomW 2014-07-28 21:14:13 +01:00
commit ea3844acf1
1 changed files with 7 additions and 5 deletions
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12
src/vid_et4000w32.c
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@ -351,6 +351,7 @@ void et4000w32p_mmu_write(uint32_t addr, uint8_t val, void *p)
svga_t *svga = &et4000->svga;
int bank;
// pclog("ET4K write %08X %02X %02X %04X(%08X):%08X\n",addr,val,et4000->acl.status,et4000->acl.internal.ctrl_routing,CS,cs,pc);
et4000->acl.status |= ACL_RDST;
switch (addr & 0x6000)
{
case 0x0000: /*MMU 0*/
@ -499,9 +500,10 @@ uint8_t et4000w32p_mmu_read(uint32_t addr, void *p)
case 0x7f13: return et4000->mmu.ctrl;
case 0x7f36:
// pclog("Read ACL status %02X\n",et4000->acl.status);
temp = et4000->acl.status;
et4000->acl.status &= ~ACL_RDST;
// if (et4000->acl.internal.pos_x!=et4000->acl.internal.count_x || et4000->acl.internal.pos_y!=et4000->acl.internal.count_y) return et4000->acl.status | ACL_XYST;
return et4000->acl.status;
return temp;
case 0x7f80: return et4000->acl.internal.pattern_addr;
case 0x7f81: return et4000->acl.internal.pattern_addr >> 8;
case 0x7f82: return et4000->acl.internal.pattern_addr >> 16;
@ -559,7 +561,7 @@ void et4000w32_blit_start(et4000w32p_t *et4000)
et4000->acl.dest_back = et4000->acl.dest_addr;
et4000->acl.internal.pos_x = et4000->acl.internal.pos_y = 0;
et4000->acl.pattern_x = et4000->acl.source_x = et4000->acl.pattern_y = et4000->acl.source_y = 0;
et4000->acl.status = ACL_XYST;
et4000->acl.status |= ACL_XYST;
if ((!(et4000->acl.internal.ctrl_routing & 7) || (et4000->acl.internal.ctrl_routing & 4)) && !(et4000->acl.internal.ctrl_routing & 0x40))
et4000->acl.status |= ACL_SSO;
@ -782,7 +784,7 @@ void et4000w32_blit(int count, uint32_t mix, uint32_t sdat, int cpu_input, et400
if (et4000->acl.internal.pos_x > et4000->acl.internal.count_x ||
et4000->acl.internal.pos_y > et4000->acl.internal.count_y)
{
et4000->acl.status = 0;
et4000->acl.status &= ~(ACL_XYST | ACL_SSO);
// pclog("Blit line over\n");
return;
}
@ -865,7 +867,7 @@ void et4000w32_blit(int count, uint32_t mix, uint32_t sdat, int cpu_input, et400
et4000->acl.internal.pos_x = 0;
if (et4000->acl.internal.pos_y > et4000->acl.internal.count_y)
{
et4000->acl.status = 0;
et4000->acl.status &= ~(ACL_XYST | ACL_SSO);
// pclog("Blit over\n");
return;
}