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Further work on swyft (n/w)

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This commit is contained in:
Jonathan Gevaryahu 2013-09-24 16:24:14 +00:00
parent 3ea1274cf2
commit 3e50fd0287
1 changed files with 22 additions and 22 deletions
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44
src/mess/drivers/cat.c
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@ -1132,24 +1132,24 @@ rom:
0x01E0-0x02DF: ? table (may be part of next table)
0x02E0-0x03DF: ? table
0x03E0-0x0B3F: int16-packed jump table (expanded to int32s at ram at 0x46000-0x46EC0 on boot)
0x0B40-0x108F: ?binary code of forth interpreter?
0x1090-0xCD3B: tForth bytecode, even the fonts?:
0x1090-0x24CF: ?
**Fonts:
0x24D0-0x254F: ? (likely font 1 width lookup table)
0x2550-0x2BCF: Font 1 data
0x2BD0-0x2C4F: ? (likely font 2 width lookup table)
0x2C50-0x32CF: Font 2 data
**unknown?:
0x32D0-0x360F: String data (and control codes?)
0x3610-0x364F: ? fill (0x03 0xe8)
0x3650-0x369F: ? fill (0x03 0x20)
0x36A0-0x384d: ? forth code?
0x384e-0x385d: Lookup table for phone keypad
0x385e-...: ?
...-0xC951: ?
0xC952: boot vector
0xC952-...: boot code?
0x0B40-0x0E83: ? function index tables?
0x0E84-0x1544: binary code (purpose?)
0x1545-0x24CF: ?
**Fonts:
0x24D0-0x254F: ? (likely font 1 width lookup table)
0x2550-0x2BCF: Font 1 data
0x2BD0-0x2C4F: ? (likely font 2 width lookup table)
0x2C50-0x32CF: Font 2 data
**unknown?:
0x32D0-0x360F: String data (and control codes?)
0x3610-0x364F: ? fill (0x03 0xe8)
0x3650-0x369F: ? fill (0x03 0x20)
0x36A0-0x384d: ? forth code?
0x384e-0x385d: Lookup table for phone keypad
0x385e-...: ?
...-0xC951: ?
0xC952: boot vector
0xC952-0xCAAE: binary code (purpose?)
0xCD26-0xCD3B: ?init forth bytecode?
0xCD3C-0xCEBA: 0xFF fill (unused?)
0xCEEB-0xFFFE: Forth dictionaries for compiling, with <word> then <3 bytes> afterward? (or before it? most likely afterward)
@ -1317,7 +1317,7 @@ static const char *const swyft_via_regnames[] = { "0: ORB/IRB", "1: ORA/IRA", "2
READ8_MEMBER( cat_state::swyft_via0_r )
{
if (offset&0x000C3F) fprintf(stderr,"VIA0: read from invalid offset in 68k space: %06X!\n", offset);
UINT8 data = m_via0->read(space, (offset>>5)&0xF);
UINT8 data = m_via0->read(space, (offset>>6)&0xF);
#ifdef DEBUG_SWYFT_VIA0
logerror("VIA0 register %s read by cpu: returning %02x\n", swyft_via_regnames[(offset>>5)&0xF], data);
#endif
@ -1330,13 +1330,13 @@ WRITE8_MEMBER( cat_state::swyft_via0_w )
logerror("VIA0 register %s written by cpu with data %02x\n", swyft_via_regnames[(offset>>5)&0xF], data);
#endif
if (offset&0x000C3F) fprintf(stderr,"VIA0: write to invalid offset in 68k space: %06X, data: %02X!\n", offset, data);
m_via1->write(space, (offset>>5)&0xF, data);
m_via1->write(space, (offset>>6)&0xF, data);
}
READ8_MEMBER( cat_state::swyft_via1_r )
{
if (offset&0x000C3F) fprintf(stderr," VIA1: read from invalid offset in 68k space: %06X!\n", offset);
UINT8 data = m_via1->read(space, (offset>>5)&0xF);
UINT8 data = m_via1->read(space, (offset>>6)&0xF);
#ifdef DEBUG_SWYFT_VIA1
logerror(" VIA1 register %s read by cpu: returning %02x\n", swyft_via_regnames[(offset>>5)&0xF], data);
#endif
@ -1349,7 +1349,7 @@ WRITE8_MEMBER( cat_state::swyft_via1_w )
logerror(" VIA1 register %s written by cpu with data %02x\n", swyft_via_regnames[(offset>>5)&0xF], data);
#endif
if (offset&0x000C3F) fprintf(stderr," VIA1: write to invalid offset in 68k space: %06X, data: %02X!\n", offset, data);
m_via0->write(space, (offset>>5)&0xF, data);
m_via0->write(space, (offset>>6)&0xF, data);
}
// first via