Differences
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mg_notes:iie_card:iie_startup_resources [2017/08/10 18:28] M.G. [Monx] |
mg_notes:iie_card:iie_startup_resources [2018/02/08 13:00] (current) M.G. [Monx] |
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| ===== CNxx ===== | ===== CNxx ===== | ||
| - | These appear to be the slot-mapped firmware. The ones with only 256 bytes have relocatable firmware. The ones that are 1792 (256*7) bytes have 7 copies of the firmware, each specific to the slot they are installed in. These are not obfuscated. | + | These are the slot-mapped firmware. The ones with only 256 bytes have relocatable firmware. The ones that are 1792 (256*7) bytes have 7 copies of the firmware, each specific to the slot they are installed in. These are not obfuscated. |
| <code> | <code> | ||
| Line 38: | Line 38: | ||
| ===== C8xx ===== | ===== C8xx ===== | ||
| - | These appear to be the C8 Firmware for the various cards. They are not obfuscated. | + | These are the C8 Firmware for the various cards. They are not obfuscated. |
| <code> | <code> | ||
| Line 55: | Line 55: | ||
| ===== Monx ===== | ===== Monx ===== | ||
| - | These have simple XOR obfuscation with the key "DoubleX". | + | These have simple XOR obfuscation with the key "DoubleX" (a reference to the card's code name, "Double Exposure"). |
| After de-obfuscating there is a header that tells the IIe application where to put the firmware within the Card's memory. | After de-obfuscating there is a header that tells the IIe application where to put the firmware within the Card's memory. | ||
| Line 133: | Line 133: | ||
| Load address tables for 'Monx': | Load address tables for 'Monx': | ||
| - | ^ Name ^ Bank ^ 6502 \\ Addr ^ Load \\ Addr ^ | + | ^ Name ^ Bank ^ 6502 \\ Start ^ 6502 \\ End ^ Load \\ Addr ^ |
| - | | A2EMonitorROM | Main | $C000 | $0000 | | + | | A2EMonitorROM | Main | $C000 | $FFFF | $0000 | |
| - | | D1 INTCX | D1 | $C3FA | $43FA | | + | | D1 INTCX | D1 | $C3FA | $C5A0 | $43FA | |
| - | | D1 NMI-IRQ Rcvr | D1 | $D000 | $5000 | | + | | D1 NMI-IRQ Rcvr | D1 | $D000 | $D065 | $5000 | |
| - | | PFI Bank 0 | D1 | $D400 | $5400 | | + | | PFI Bank 0 | D1 | $D400 | $F8FF | $5400 | |
| - | | D1 Vectors | D1 | $FFFA | $7FFA | | + | | D1 Vectors | D1 | $FFFA | $FFFF | $7FFA | |
| - | | D2 INTCX | D2 | $C3FA | $83FA | | + | | D2 INTCX | D2 | $C3FA | $C5A0 | $83FA | |
| - | | D2 NMI-IRQ Rcvr | D2 | $D000 | $9000 | | + | | D2 NMI-IRQ Rcvr | D2 | $D000 | $D065 | $9000 | |
| - | | PFI Bank 1 | D2 | $D400 | $9400 | | + | | PFI Bank 1 | D2 | $D400 | $F8FF | $9400 | |
| - | | D2 Vectors | D2 | $FFFA | $BFFA | | + | | D2 Vectors | D2 | $FFFA | $FFFF | $BFFA | |
| - | | 5.25 Disk | * | $C800 | $F000 | | + | | 5.25 Disk | * | $C800 | $CFFF | $F000 | |
| * This appears in the shared C8 space after the 5.25 controller slot ROM is accessed. | * This appears in the shared C8 space after the 5.25 controller slot ROM is accessed. | ||
| Conclusion: | Conclusion: | ||
| + | |||
| + | **Memory Map of the "ROM" portion of the 256K Card RAM** | ||
| ^ Bank ^ Load Address Range ^ | ^ Bank ^ Load Address Range ^ | ||
| Line 153: | Line 155: | ||
| | D1 | $4000-$7FFF | | | D1 | $4000-$7FFF | | ||
| | D2 | $8000-$BFFF | | | D2 | $8000-$BFFF | | ||
| - | | ? | $C000-$FFFF | | + | | Slot ROM, probably | $C000-$FFFF | |
| + | |||
| + | |||
| ===== BBLK ==== | ===== BBLK ==== | ||
| - | These contain the Workstation Card [[projects:iie_boot_blocks|Boot Blocks]]. | + | These contain the Workstation Card [[projects:appleshare_boot_blocks|Boot Blocks]]. |
| <code> | <code> | ||