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Added Leading Edge Model M.

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This commit is contained in:
SarahW 2020-03-07 18:01:47 +00:00
commit a552c25b32
4 changed files with 29 additions and 2 deletions
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21
src/keyboard_xt.c
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@ -157,7 +157,7 @@ uint8_t keyboard_xt_read(uint16_t port, void *priv)
switch (port)
{
case 0x60:
if ((romset == ROM_IBMPC) && (keyboard_xt.pb & 0x80))
if ((romset == ROM_IBMPC || romset == ROM_LEDGE_MODELM) && (keyboard_xt.pb & 0x80))
{
if (video_is_ega_vga())
temp = 0x4D;
@ -190,7 +190,12 @@ uint8_t keyboard_xt_read(uint16_t port, void *priv)
else
temp = ((mem_size-64) / 32) >> 4;
temp |= (cassette_input()) ? 0x10 : 0;
temp |= (cassette_input()) ? 0x10 : 0;
}
else if (romset == ROM_LEDGE_MODELM)
{
/*High bit of memory size is read from port 0xa0*/
temp = ((mem_size-64) / 32) & 0xf;
}
else if (romset == ROM_ATARIPC3)
{
@ -227,6 +232,16 @@ uint8_t keyboard_xt_read(uint16_t port, void *priv)
return temp;
}
static uint8_t ledge_modelm_read(uint16_t port, void *p)
{
uint8_t temp = 0;
if (((mem_size-64) / 32) >> 4)
temp |= 0x40;
return temp;
}
void keyboard_xt_reset()
{
keyboard_xt.wantirq = 0;
@ -238,6 +253,8 @@ void keyboard_xt_init()
{
//return;
io_sethandler(0x0060, 0x0004, keyboard_xt_read, NULL, NULL, keyboard_xt_write, NULL, NULL, NULL);
if (romset == ROM_LEDGE_MODELM)
io_sethandler(0x00a0, 0x0001, ledge_modelm_read, NULL, NULL, NULL, NULL, NULL, NULL);
keyboard_xt_reset();
keyboard_send = keyboard_xt_adddata;
keyboard_poll = keyboard_xt_poll;