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Add initial Mazovia 1016 emulation

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This commit is contained in:
Adrian Siekierka
2024-12-22 13:52:25 +01:00
parent 8f25851406
commit eb25bccf1e
7 changed files with 128 additions and 26 deletions
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8
src/cpu/808x.c
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@@ -240,13 +240,13 @@ cpu_io(int bits, int out, uint16_t port)
int old_cycles = cycles;
if (out) {
wait(4, 1);
wait(is_mazovia ? 5 : 4, 1);
if (bits == 16) {
if (is8086 && !(port & 1)) {
old_cycles = cycles;
outw(port, AX);
} else {
wait(4, 1);
wait(is_mazovia ? 5 : 4, 1);
old_cycles = cycles;
outb(port++, AL);
outb(port, AH);
@@ -256,13 +256,13 @@ cpu_io(int bits, int out, uint16_t port)
outb(port, AL);
}
} else {
wait(4, 1);
wait(is_mazovia ? 5 : 4, 1);
if (bits == 16) {
if (is8086 && !(port & 1)) {
old_cycles = cycles;
AX = inw(port);
} else {
wait(4, 1);
wait(is_mazovia ? 5 : 4, 1);
old_cycles = cycles;
AL = inb(port++);
AH = inb(port);