More things to study.
This commit is contained in:
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@ -6,7 +6,8 @@ from **Casiopeia**, **Cemetech** (Prizm-related), the **Universal Casio Forum**
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and the **Casetta** project website (where some information about legacy
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thingies have been regrouped).
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Thanks to:
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Thanks to:
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- Simon Lothar (mainly on Casiopeia) for its reverse engineering and
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documentation (**fxReverse project documentation** with Andreas Bertheussen,
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and `fx_calculators_SuperH_based.chm`);
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@ -19,5 +20,7 @@ Thanks to:
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- Tom Wheeley for making CaS a free software;
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- Him and Tom Lynn for documenting the legacy protocol (9700);
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- Zezombye (from Planète Casio) for its research on some MCS file formats;
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- David Quaranta for having made and shared Flash100's source code;
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- David Quaranta for making and sharing Flash100's source code;
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- Walter 'dscoshpe' Hanau for providing some AFX communications dump and
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reverse engineering;
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- Other people at **Planète Casio** for their support!
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@ -141,6 +141,10 @@ extern int g1m_decode_casfiles_part(g1m_mcshead_t *head, g1m_mcshead_t *heads,
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g1m_buffer_t *buffer);
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extern int g1m_decode_casfile_part(g1m_mcsfile_t *file, g1m_buffer_t *buffer);
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extern int g1m_correct_casfile_head(g1m_mcshead_t *head);
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/* announce, encode a CAS head */
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extern int g1m_encode_casfile_head(g1m_mcshead_t *head, g1m_buffer_t *buffer);
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extern int g1m_encode_casfile_part(g1m_mcsfile_t *file, g1m_buffer_t *buffer);
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/* ************************************************************************** */
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/* MCS archive management */
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/* ************************************************************************** */
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@ -86,10 +86,12 @@ struct cas40 {
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* was always 0x31 ('1' in ASCII), which are 40 bytes long. From there and other
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* pieces of documentation, here are the extension types I could find: */
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# define casdyn_ext_9850 0x00 /* 50 bytes long */
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# define casdyn_ext_end 0xFF /* yet an alias to `casdyn_ext_9850`,
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* used by the END packet. */
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# define casdyn_ext_g100 0x31 /* 40 bytes long */
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# define casdyn_ext_9850 0x00 /* 50 bytes long */
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# define casdyn_ext_end 0xFF /* yet an alias to `casdyn_ext_9850`,
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* used by the END packet. */
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# define casdyn_ext_g100 0x31 /* 40 bytes long */
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# define casdyn_ext_g100b 0x32 /* yet an alias to `casdyn_ext_g100`,
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* used for some commands */
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/* Here are the common fields to all packets: */
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@ -132,20 +134,25 @@ struct _cas50 {
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* Anyway, here is the CAS100 header after the CASDYN header is read: */
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struct _cas100 {
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/* drive? "INF", "FR0" */
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/* drive?
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* - "INF" <1>: system
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* - "FR0" <0>: segment
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* - "MSG" <1>: language
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* - "MR0" <4>: ?
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* - "S00" <0>: ? */
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uint8_t drive[3];
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/* driver number, in ASCII (0x30 + <num>) */
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uint8_t id;
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/* ExportDrive: 0x400, size? */
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/* group size (size of each fragment group part to be sent): 1024 */
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uint32_t _size;
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/* ExportDrive: 0x80, type? */
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uint32_t _type;
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/* ExportDrive: 0x20000, other size? */
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uint32_t _othersize;
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/* drive size: 0x20000 bytes */
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uint32_t drive_size;
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/* 0xFFs */
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uint8_t _unknown[18];
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@ -163,17 +170,20 @@ struct _cas100_info {
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uint8_t board[5];
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uint8_t _delim0; /* 0xFF */
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/* serial settings? "038400N1.00"
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* excepted the ".00", this would mean 38400 bauds, no parity, 1 stop bit */
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/* serial settings? "038400N"
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* this would mean 38400 bauds, no parity (2 stop bits?) */
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uint8_t settings[11];
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/* ROM version? "1.00" or "1.01" */
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uint8_t version[4];
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/* values? */
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uint32_t _val1; /* 0xF00 */
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uint32_t _val1; /* 0xF00 or 0x1000 */
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uint32_t _val2; /* 0x400 */
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uint32_t _val3; /* 0x100 */
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/* hex value with prefix... what? */
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uint8_t hex[4]; /* "0x07", litteraly */
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uint8_t hex[4]; /* "0x07", litterally, or 0x07 followed by three 0xFFs */
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uint8_t _delim1; /* 0xFF */
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/* checksum */
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@ -41,6 +41,7 @@
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* [0x20] Stat Wind (0x00: Auto, 0x01: Manual);
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* [0x21] Graph Func;
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* [0x22] Dual Screen (0x03: OFF);
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* [0x23] Simul Graph;
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* [0x24] Dynamic Type (0x00: Cont, 0x01: Stop);
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* [0x25] SigmaDisplay;
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* [0x26] Slope;
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@ -54,11 +55,12 @@
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* [0x2D] Resid List (0x00: None, 0x01-0x1A: List[1-26]);
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* [0x2E] List File (0x01-0x06: File[1-6]);
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* [0x2F] Variable (0x00: Range, 0x01-0x26: List[1-26]);
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* [0x30] Recur Type (unknown values, default: 0x01?);
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* [0x31] Recur Dual (Dual Screen) (0x00: T+G, 0x01: OFF);
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* [0x4E] Auto Calc;
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* [0x4F] Show Sell (Show cell) (0x00: Formula, 0x01: Value);
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* [0x50] Move (0x00: Lower, 0x01: Right);
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* [0x51] Sub Name (0x00: ON, 0x01: OFF);
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* [0x51] Sub Name;
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* [0x53] Input Mode (0x00: Math, 0x01: Linear);
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* [0x54] Locus;
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* [0x55] Y=Draw Speed (0x00: Norm, 0x01: High);
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@ -26,7 +26,7 @@
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# define g1m_ans 29
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/* ************************************************************************** */
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/* Main Memory Types */
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/* Main Memory types and platforms */
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/* ************************************************************************** */
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/* MCS file type */
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# define PRIuMCSTYPE "lu"
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@ -80,17 +80,76 @@ typedef unsigned int g1m_mcsinfo_t;
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# define g1m_get_id_major(I) ((I) >> 6)
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# define g1m_get_id_minor(I) ((I) & 0x3F)
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/* ************************************************************************** */
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/* Helpers */
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/* List, Matrix, Vector, Spreadsheet Cell */
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/* ************************************************************************** */
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/* MCS cell flags */
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/* Flags */
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# define g1m_mcscellflag_used 0x0001
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/* List, Matrix, Vector and Spreadsheet cell. */
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/* Main structure */
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typedef struct g1m_mcs_cell_s {
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g1m_bcd_t real, imgn;
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unsigned int flags;
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} g1m_mcscell_t;
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/* ************************************************************************** */
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/* Setup */
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/* ************************************************************************** */
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/* Input flags */
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# define g1m_setupiflag_shift 0x0001 /* SHIFT is pressed */
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# define g1m_setupiflag_alpha 0x0002 /* ALPHA is pressed */
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# define g1m_setupiflag_insert 0x0004 /* Insert/overwrite mode */
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# define g1m_setupiflag_math 0x0008 /* Math input mode instead of linear */
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/* Window flags */
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# define g1m_setupwflag_grid 0x0001 /* Grid */
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# define g1m_setupwflag_axes 0x0002 /* Axes */
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# define g1m_setupwflag_plot 0x0004 /* Draw Plot Type instead of Con */
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# define g1m_setupwflag_coord 0x0010 /* Coord */
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# define g1m_setupwflag_sigma 0x0020 /* Sigma Display */
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# define g1m_setupwflag_stat 0x0040 /* Stat Window */
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# define g1m_setupwflag_graph 0x0080 /* Graph Function */
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# define g1m_setupwflag_simul 0x0100 /* Simul Graph */
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# define g1m_setupwflag_slope 0x0200 /* Slope */
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/* Miscallenous flags */
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# define g1m_setupmflag_deriv 0x0001 /* Derivative */
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# define g1m_setupmflag_label 0x0002 /* label */
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# define g1m_setupmflag_date360 0x0004 /* 360 Date Mode, instead of 365 */
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# define g1m_setupmflag_complex 0x0008 /* Complex answer instead of real */
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# define g1m_setupmflag_simp 0x0010 /* Auto Simplify (not Manual) */
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# define g1m_setupmflag_dynamic 0x0020 /* Continue Dynamic Type (not Stop) */
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# define g1m_setupmflag_payment 0x0040 /* Begin Payment (not End) */
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# define g1m_setupmflag_autocalc 0x0080 /* Auto Calc */
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# define g1m_setupmflag_cformula 0x0100 /* Show Cell Formula (not Value) */
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# define g1m_setupmflag_dpfix 0x1000 /* Display Fix instead of Sci */
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# define g1m_setupmflag_dpnorm 0x2000 /* Display Norm */
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# define g1m_setupmflag_dpemode 0x4000 /* Toggle /E-mode */
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/* More complex values */
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# define g1m_setupval_number 0 /* 0 being comp, 2,8,10,16 being the base */
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# define g1m_setupval_function 1 /* -> 0x18 */
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# define g1m_setupval_listfile 2 /* List File 1-6, 0 being none */
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# define g1m_setupval_bg 3 /* Background picture ID, 0 being none */
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# define g1m_setupval_dispid 4 /* Display ID, see dpfix/dpnorm/dpemode */
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# define g1m_setupval_residlist 5 /* Resid List */
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/* Function types */
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# define g1m_functype_yequ 0x00 /* Y= */
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# define g1m_functype_requ 0x01 /* r= */
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# define g1m_functype_param 0x02 /* Param */
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# define g1m_functype_xequc 0x03 /* X=c */
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# define g1m_functype_ygt 0x04 /* Y> */
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# define g1m_functype_ylt 0x05 /* Y< */
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# define g1m_functype_yge 0x06 /* Y>= */
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# define g1m_functype_yle 0x07 /* Y<= */
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/* Main structure */
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# define g1m_setupvals 6
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typedef struct g1m_setup_s {
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unsigned int iflags, wflags, mflags;
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unsigned char vals[g1m_setupvals];
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} g1m_setup_t;
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/* ************************************************************************** */
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/* Main structures */
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/* ************************************************************************** */
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/* mcs file special flags */
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@ -144,6 +203,9 @@ typedef struct g1m_mcsfile_s {
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/* for pictures and captures */
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uint32_t **pic; /* 0x0RGB */
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uint32_t ***pics;
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/* for settings */
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g1m_setup_t setup;
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} g1m_mcsfile_t;
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#endif /* LIBG1M_MCS_H */
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@ -31,34 +31,29 @@
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int g1m_decode_mcs_setup(g1m_mcsfile_t **handle, g1m_buffer_t *buffer,
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g1m_mcshead_t *head)
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{
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/* read content */
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uint8_t content[head->size];
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READ(content, head->size)
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/* make final head and file */
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int err = g1m_make_mcsfile(handle, head);
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if (err) return (err);
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unsigned char *content = (void*)(*handle)->content;
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READ(content, head->size)
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g1m_setup_t *sp = &(*handle)->setup;
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/* log angle setting */
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switch (content[0x13]) {
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case 0x00: log_info("[Angle] Degrees mode"); break;
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case 0x01: log_info("[Angle] Radians mode"); break;
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case 0x02: log_info("[Angle] Gradians mode"); break;
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}
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/* get input flags */
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switch (content[0x14]) {
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case 0x84: sp->iflags |= g1m_setupiflag_alpha;
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case 0x01: sp->iflags |= g1m_setupiflag_shift; break;
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case 0x04: sp->iflags |= g1m_setupiflag_alpha; break; }
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if (content[0x15] == 0x02) sp->iflags |= g1m_setupiflag_insert;
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if (!content[0x53]) sp->iflags |= g1m_setupiflag_math;
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/* log number mode */
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switch (content[0x17]) {
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case 0x00: log_info("[Number] Comp"); break;
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case 0x01: log_info("[Number] Binary"); break;
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case 0x07: log_info("[Number] Octal"); break;
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case 0x09: log_info("[Number] Decimal"); break;
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case 0x0F: log_info("[Number] Hexadecimal"); break;
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}
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/* axes setting */
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log_info("[Axes] %s", content[0x1D] ? "on" : "off");
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/* list file */
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log_info("[ListFile] #%hhu", content[0x2E]);
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/* get window flags */
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if (content[0x1C]) sp->wflags |= g1m_setupwflag_grid;
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if (content[0x1D]) sp->wflags |= g1m_setupwflag_axes;
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if (content[0x19]) sp->wflags |= g1m_setupwflag_plot;
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/* TODO: decode more options! */
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/* no error! */
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return (0);
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}
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@ -0,0 +1,75 @@
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/* *****************************************************************************
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* encode/cas.c -- encode CAS elements and file.
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* Copyright (C) 2017 Thomas "Cakeisalie5" Touhey <thomas@touhey.fr>
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*
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* This file is part of libg1m.
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* libg1m is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 3.0 of the License,
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* or (at your option) any later version.
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*
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* libg1m is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with libg1m; if not, see <http://www.gnu.org/licenses/>.
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* ************************************************************************** */
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#include <libg1m/internals.h>
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/* ************************************************************************** */
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/* Correspondances */
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/* ************************************************************************** */
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/* Types */
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typedef int (*announce_t)(g1m_mcsfile_t*, size_t*);
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typedef int (*encode_t)(g1m_mcsfile_t*, g1m_buffer_t*);
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struct corresp {
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/* 'identification' */
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g1m_mcstype_t types;
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/* functions */
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announce_t announce;
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encode_t encode;
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};
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/* All correspondances */
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static const struct corresp encodings[] = {
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/* sentinel */
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{0, NULL, NULL}
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};
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/* ************************************************************************** */
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/* Header/data encoding functions */
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/* ************************************************************************** */
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/**
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* g1m_announce_casfile_head:
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* Figure out the CAS file head.
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*
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* @arg head the head.
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* @arg sz the size to contribute to.
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*/
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int g1m_announce_casfile_head(g1m_mcshead_t *head, size_t *sz)
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{
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}
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/**
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* g1m_encode_casfile_head:
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* Encode a CAS file head.
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*/
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int g1m_encode_casfile_head(g1m_mcshead_t *head, g1m_buffer_t *buffer)
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{
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/* TODO */
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}
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/**
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* g1m_encode_casfile_part:
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* Encode a CAS file data part.
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*/
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int g1m_encode_casfile_part(g1m_mcsfile_t *file, g1m_buffer_t *buffer)
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{
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/* TODO */
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}
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@ -43,7 +43,6 @@ static const struct corresp encodings[] = {
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/* sentinel */
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{0, 0, NULL, NULL}
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};
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/* ************************************************************************** */
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/* Main function */
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/* ************************************************************************** */
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@ -102,6 +102,7 @@ int g1m_make_mcsfile(g1m_mcsfile_t **handle, const g1m_mcshead_t *rawhead)
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/* allocate nothing */
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case g1m_mcstype_end:
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case g1m_mcstype_setup:
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case g1m_mcstype_string: /* TEMPORARY XXX */
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break;
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@ -185,6 +186,7 @@ void g1m_free_mcsfile(g1m_mcsfile_t *handle)
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/* free nothing */
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case g1m_mcstype_end:
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case g1m_mcstype_setup:
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case g1m_mcstype_string: /* TEMPORARY XXX */
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break;
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@ -67,10 +67,22 @@ static struct ext_corresp apps[] = {
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/* Graph 100 (Algebra FX) headers */
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{casdyn_ext_g100, g1m_mcsinfo_cas100, (struct app_corresp[]){
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{"ADN"}, /* ? */
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{"MDL"}, /* Model, initialize */
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{"END"}, /* Terminate */
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{"REQ"}, /* Receive */
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{"ADN"}, /* Send */
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{"FMV"}, /* ? */
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{"FCL"}, /* ? */
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{"MCS"}, /* ? */
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{"MDL"}, /* model info? */
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{"END"}, /* end, again? */
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ETERM
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}},
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/* Graph 100 (Algebra FX) alternate headers */
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{casdyn_ext_g100b, g1m_mcsinfo_cas100, (struct app_corresp[]){
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{"ADN"}, /* Send (bis) */
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{"REQ"}, /* Request (bis) */
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ETERM
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}},
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@ -0,0 +1,69 @@
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/* *****************************************************************************
|
||||
* type/setup.c -- get the setup entry id/string using an id/string.
|
||||
* Copyright (C) 2017 Thomas "Cakeisalie5" Touhey <thomas@touhey.fr>
|
||||
*
|
||||
* This file is part of libg1m.
|
||||
* libg1m is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU Lesser General Public License as published by
|
||||
* the Free Software Foundation; either version 3.0 of the License,
|
||||
* or (at your option) any later version.
|
||||
*
|
||||
* libg1m is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
||||
* See the GNU Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public License
|
||||
* along with libg1m; if not, see <http://www.gnu.org/licenses/>.
|
||||
* ************************************************************************** */
|
||||
#include <libp7/internals.h>
|
||||
|
||||
struct corresp {
|
||||
char *name;
|
||||
int offset;
|
||||
};
|
||||
|
||||
static struct corresp correspondances[] = {
|
||||
{"Angle", 0x13},
|
||||
{"Mode", 0x14},
|
||||
{"Func Type", 0x18},
|
||||
{"Draw Type", 0x19},
|
||||
{"Derivative", 0x1A},
|
||||
{"Coord", 0x1B},
|
||||
{"Grid", 0x1C},
|
||||
{"Axes", 0x1D},
|
||||
{"Label", 0x1E},
|
||||
|
||||
{"Stat Wind", 0x20},
|
||||
{"Graph Func", 0x21},
|
||||
{"Dual Screen", 0x22},
|
||||
{"Simul Graph", 0x23},
|
||||
{"Dynamic Type", 0x24},
|
||||
{"SigmaDisplay", 0x25},
|
||||
{"Slope", 0x26},
|
||||
{"Payment", 0x27},
|
||||
{"Date Mode", 0x28},
|
||||
{"Answer Type", 0x29},
|
||||
{"Complex Mode", 0x2A},
|
||||
{"Display", 0x2B},
|
||||
{"Background", 0x2C},
|
||||
{"Resid List", 0x2D},
|
||||
{"List File", 0x2E},
|
||||
{"Variable", 0x2F},
|
||||
{"Recur Dual", 0x31},
|
||||
{"Auto Calc", 0x4E},
|
||||
{"Show Sell", 0x4F},
|
||||
|
||||
{"Move", 0x50},
|
||||
{"Sub Name", 0x51},
|
||||
{"Input Mode", 0x53},
|
||||
{"Locus", 0x54},
|
||||
{"Y=Draw Speed", 0x55},
|
||||
{"Sketch Line", 0x56},
|
||||
{"Frac Result", 0x57},
|
||||
{"Recur Type", 0x30},
|
||||
{"Inequa Type", 0x5D},
|
||||
{"Periods YR", 0x5E},
|
||||
{"Q1Q3 Type", 0x5C},
|
||||
{"Simplify", 0x5F},
|
||||
};
|
||||
Reference in New Issue