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30 lines
No EOL
1.7 KiB
Scheme
30 lines
No EOL
1.7 KiB
Scheme
(define memories
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'((memory zeroPage (address (#x56 . #xff)) (type ram)
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(section registers zpage zzpage))
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(memory firstPage (address (#x100 . #x1ff)) (section stack))
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(memory reserved (address (#x200 . #x7ff)) (type ram))
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(memory program (address (#x800 . #x15ff)) (type ram)
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(section (programStart #x800) (dii_critical_wr_code #x803) (dii_critical_rd_code #x90b) startup code switch idata cdata data_init_table))
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;;; (memory exportedTables (address (#x1c00 . #x1c1f)) (type ram) (section functionTable)) ;;; Exported function table can be found here
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(memory dataMem (address (#x1600 . #x1fff)) (type ram) (section cstack zdata data heap zpsave))
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(memory displayPage1 (address (#x2000 . #x3fff)) (type ram))
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(memory upperMem (address (#x4000 . #x99ff)) (type ram))
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(memory sharedMem (address (#x9a00 . #x9bff)) (type ram)) ;;; This memory page will be used to pass parameters and data between the master and the modules, and to save the game state
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(memory diskBuffer (address (#x9c00 . #x9fff)) (type ram)) ;;; This memory will be used by the disk II routines as buffer
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(memory displayPage2 (address (#xa000 . #xbfff)) (type ram))
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(memory io (address (#xc000 . #xc0ff)) (type ram))
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(memory rombank (address (#xc100 . #xffff)) (type rom))
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(block cstack (size #x600))
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(block heap (size #x000))
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(block stack (size #x100))
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))
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;;; Floppy buffer structure
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;;; The decoding table for the reads should be generated ad 0x0356
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;;; The "twos" buffer should be located at 0x9C00
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;;; The encoding table should be located at 0x9C56
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;;; The "sixes" buffer should be located at 0x9D00, and it should overlap with the buffer used for DOS catalog reads
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;;; We leave pages 9E and 9F alone, as resetting back with those modified leads to breakage
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