Apple-2-SW
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GWRAM.SYSTEM
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Fix RAM2E saving

This commit is contained in:
Zane Kaminski 2023-11-11 05:55:08 -05:00
parent a3bf3ec152
commit 5ecb7c90bf
3 changed files with 25 additions and 16 deletions
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bin/GWRAM.dbg.po
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bin/GWRAM.po
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41
ram2e_hal_max.c
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@ -9,25 +9,34 @@ static void ram2e_max_erase() { ram2e_cmd(0xEE, 0x00); }
/* ram2e_max_save(...) */ /* ram2e_max_save(...) */
static void ram2e_max_save(char mask, char enled) { static void ram2e_max_save(char mask, char enled) {
char i; char wmask;
char led;
if (mask == 0xFF) { mask = 0x80; } // Encode 0xFF mask properly
// Shift mask into UFMD // Encode 0xFF mask properly
for (i = 0; i < 8; i++) { if (mask == 0xFF) { wmask = 0x80; }
ram2e_max_bitbang(0x80 | ((mask << (i-1)) & 0x40)); else { wmask = mask; }
}
// Shift LED setting into UFMD // Shift mask into UFMD
if (( enled && (mask >> 7)) || ram2e_max_bitbang(0x80 | ((wmask >> 1) & 0x40));
(!enled && !(mask >> 7))) { led = 0x80; } ram2e_max_bitbang(0x80 | ((wmask >> 0) & 0x40));
else { led = 0xC0; } ram2e_max_bitbang(0x80 | ((wmask << 1) & 0x40));
ram2e_max_bitbang(led); ram2e_max_bitbang(0x80 | ((wmask << 2) & 0x40));
ram2e_max_bitbang(0x80 | ((wmask << 3) & 0x40));
ram2e_max_bitbang(0x80 | ((wmask << 4) & 0x40));
ram2e_max_bitbang(0x80 | ((wmask << 5) & 0x40));
ram2e_max_bitbang(0x80 | ((wmask << 6) & 0x40));
// Shift low six bits of mask into UFMD again // Shift mask into UFMD
for (i = 1; i < 8; i++) { if (( enled && (wmask >> 7)) ||
ram2e_max_bitbang(0x80 | ((mask << (i-1)) & 0x40)); (!enled && !(wmask >> 7))) {
} ram2e_max_bitbang(0x80);
} else { ram2e_max_bitbang(0xC0); }
ram2e_max_bitbang(0xC0);
ram2e_max_bitbang(0xC0);
ram2e_max_bitbang(0xC0);
ram2e_max_bitbang(0xC0);
ram2e_max_bitbang(0xC0);
ram2e_max_bitbang(0xC0);
ram2e_max_bitbang(0xC0);
// Program UFM // Program UFM
ram2e_max_program(); ram2e_max_program();